/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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 12:35:55,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:35:55,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:35:56,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:35:56,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:35:56,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:35:56,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:35:56,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:35:56,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:35:56,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:35:56,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:35:56,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:35:56,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:35:56,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:35:56,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:35:56,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:35:56,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:35:56,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:35:56,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:35:56,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:35:56,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:35:56,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:35:56,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:35:56,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:35:56,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:35:56,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:35:56,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:35:56,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:35:56,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:35:56,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:35:56,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:35:56,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:35:56,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:35:56,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:35:56,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:35:56,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:35:56,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:35:56,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:35:56,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:35:56,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:35:56,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:35:56,078 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 12:35:56,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:35:56,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:35:56,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:35:56,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:35:56,126 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:35:56,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:35:56,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:35:56,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:35:56,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:35:56,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:35:56,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:35:56,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:35:56,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:35:56,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:35:56,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:35:56,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:35:56,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:35:56,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:35:56,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:35:56,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:35:56,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:35:56,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:35:56,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:35:56,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:35:56,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:35:56,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:35:56,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:35:56,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:35:56,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:35:56,131 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:35:56,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:35:56,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:35:56,650 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:35:56,652 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:35:56,653 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:35:56,654 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-21 12:35:56,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ea2ba1f5/59ada0bd6ff94ad884ffe1a538ac16d3/FLAG11f9de840 [2020-09-21 12:35:57,279 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:35:57,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-21 12:35:57,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ea2ba1f5/59ada0bd6ff94ad884ffe1a538ac16d3/FLAG11f9de840 [2020-09-21 12:35:57,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ea2ba1f5/59ada0bd6ff94ad884ffe1a538ac16d3 [2020-09-21 12:35:57,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:35:57,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:35:57,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:35:57,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:35:57,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:35:57,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:57,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419c06a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57, skipping insertion in model container [2020-09-21 12:35:57,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:57,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:35:57,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:35:57,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:35:57,919 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:35:57,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:35:57,970 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:35:57,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57 WrapperNode [2020-09-21 12:35:57,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:35:57,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:35:57,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:35:57,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:35:58,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (1/1) ... [2020-09-21 12:35:58,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:35:58,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:35:58,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:35:58,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:35:58,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (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 12:35:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:35:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:35:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:35:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:35:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:35:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:35:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:35:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:35:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:35:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-21 12:35:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:35:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:35:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:35:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:35:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:35:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:35:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:35:58,437 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:35:58,438 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-21 12:35:58,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:35:58 BoogieIcfgContainer [2020-09-21 12:35:58,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:35:58,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:35:58,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:35:58,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:35:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:35:57" (1/3) ... [2020-09-21 12:35:58,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2045cd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:35:58, skipping insertion in model container [2020-09-21 12:35:58,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:57" (2/3) ... [2020-09-21 12:35:58,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2045cd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:35:58, skipping insertion in model container [2020-09-21 12:35:58,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:35:58" (3/3) ... [2020-09-21 12:35:58,452 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2020-09-21 12:35:58,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:35:58,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:35:58,495 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:35:58,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:35:58,520 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:35:58,520 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:35:58,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:35:58,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:35:58,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:35:58,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:35:58,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:35:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-09-21 12:35:58,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 12:35:58,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:58,549 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 12:35:58,550 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:58,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:58,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1561713717, now seen corresponding path program 1 times [2020-09-21 12:35:58,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:58,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195301167] [2020-09-21 12:35:58,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:58,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:58,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:58,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:58,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:35:58,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:35:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-09-21 12:35:58,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:35:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:58,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:35:59,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:35:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:59,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:59,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:59,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:35:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:35:59,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:35:59,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:35:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:59,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:59,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:59,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:59,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:35:59,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:35:59,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:59,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:59,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:35:59,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:59,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:59,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:35:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:59,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:59,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:59,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:59,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:59,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:35:59,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:59,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:35:59,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:35:59,157 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 12:35:59,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195301167] [2020-09-21 12:35:59,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:35:59,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:35:59,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573444956] [2020-09-21 12:35:59,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:35:59,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:35:59,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:35:59,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:35:59,189 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2020-09-21 12:35:59,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:35:59,331 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-09-21 12:35:59,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:35:59,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-09-21 12:35:59,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:35:59,346 INFO L225 Difference]: With dead ends: 59 [2020-09-21 12:35:59,346 INFO L226 Difference]: Without dead ends: 28 [2020-09-21 12:35:59,351 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 12:35:59,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-21 12:35:59,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-21 12:35:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 12:35:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-21 12:35:59,407 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 22 [2020-09-21 12:35:59,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:59,407 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-21 12:35:59,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:35:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-21 12:35:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 12:35:59,410 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:59,410 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 12:35:59,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:35:59,411 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:59,411 INFO L82 PathProgramCache]: Analyzing trace with hash -258750159, now seen corresponding path program 1 times [2020-09-21 12:35:59,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:59,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140023477] [2020-09-21 12:35:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:00,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:00,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:36:00,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:36:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 922 [2020-09-21 12:36:00,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:36:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:36:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:36:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:00,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:00,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:00,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:00,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:00,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:36:00,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:00,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:36:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:00,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:00,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:00,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:00,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:36:00,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:00,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:36:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:00,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:00,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:00,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:36:00,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:36:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:36:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:00,545 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 12:36:00,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140023477] [2020-09-21 12:36:00,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:36:00,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:36:00,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326520770] [2020-09-21 12:36:00,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:36:00,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:00,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:36:00,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:36:00,549 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 9 states. [2020-09-21 12:36:02,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:02,922 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2020-09-21 12:36:02,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:36:02,923 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-09-21 12:36:02,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:02,924 INFO L225 Difference]: With dead ends: 43 [2020-09-21 12:36:02,924 INFO L226 Difference]: Without dead ends: 41 [2020-09-21 12:36:02,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:36:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-21 12:36:02,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2020-09-21 12:36:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-09-21 12:36:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-09-21 12:36:02,938 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 22 [2020-09-21 12:36:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:02,939 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-09-21 12:36:02,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:36:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-09-21 12:36:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 12:36:02,940 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:02,940 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 12:36:02,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:36:02,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:02,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1843057556, now seen corresponding path program 1 times [2020-09-21 12:36:02,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:02,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741903914] [2020-09-21 12:36:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:02,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:03,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:03,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 12:36:03,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:03,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:36:03,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:03,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:03,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:36:03,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:36:03,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:03,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:03,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:03,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:03,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:03,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:36:03,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:03,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:03,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:36:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:03,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:03,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:03,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:03,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:36:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:03,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:36:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:03,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:03,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:03,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:36:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:36:03,096 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 12:36:03,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741903914] [2020-09-21 12:36:03,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:36:03,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:36:03,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489085529] [2020-09-21 12:36:03,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:36:03,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:03,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:36:03,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:36:03,099 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 4 states. [2020-09-21 12:36:03,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:03,188 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2020-09-21 12:36:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:36:03,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-09-21 12:36:03,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:03,191 INFO L225 Difference]: With dead ends: 47 [2020-09-21 12:36:03,191 INFO L226 Difference]: Without dead ends: 37 [2020-09-21 12:36:03,192 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 12:36:03,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-09-21 12:36:03,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2020-09-21 12:36:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-09-21 12:36:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2020-09-21 12:36:03,201 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 24 [2020-09-21 12:36:03,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:03,201 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2020-09-21 12:36:03,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:36:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2020-09-21 12:36:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-21 12:36:03,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:03,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:36:03,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:36:03,204 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:03,204 INFO L82 PathProgramCache]: Analyzing trace with hash -828791972, now seen corresponding path program 1 times [2020-09-21 12:36:03,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:03,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546340675] [2020-09-21 12:36:03,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:03,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:03,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:04,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 12:36:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:36:04,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:36:04,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:36:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 12:36:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:36:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:04,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:04,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:04,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:04,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:04,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:36:04,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:36:04,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:36:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:04,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:04,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:04,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:04,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:04,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:36:04,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:04,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:04,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:36:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:04,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:04,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:04,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:04,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:36:04,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:04,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:36:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:04,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:04,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:04,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:04,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:36:04,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:04,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:36:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:36:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:36:04,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 12:36:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:04,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:04,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:04,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:04,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:36:04,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:04,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 12:36:04,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546340675] [2020-09-21 12:36:04,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:36:04,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 12:36:04,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692015130] [2020-09-21 12:36:04,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:36:04,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:04,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:36:04,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:36:04,608 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 9 states. [2020-09-21 12:36:04,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:04,884 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2020-09-21 12:36:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:36:04,885 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2020-09-21 12:36:04,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:04,888 INFO L225 Difference]: With dead ends: 41 [2020-09-21 12:36:04,888 INFO L226 Difference]: Without dead ends: 39 [2020-09-21 12:36:04,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:36:04,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-09-21 12:36:04,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2020-09-21 12:36:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-09-21 12:36:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-09-21 12:36:04,898 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 35 [2020-09-21 12:36:04,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:04,898 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-09-21 12:36:04,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:36:04,899 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-09-21 12:36:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 12:36:04,900 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:04,900 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 12:36:04,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:36:04,900 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:04,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:04,901 INFO L82 PathProgramCache]: Analyzing trace with hash -506278145, now seen corresponding path program 1 times [2020-09-21 12:36:04,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:04,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388965029] [2020-09-21 12:36:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:05,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:05,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:05,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 12:36:05,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:36:05,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:36:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 12:36:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:36:05,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:06,344 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-09-21 12:36:19,619 WARN L193 SmtUtils]: Spent 13.21 s on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2020-09-21 12:36:22,520 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2020-09-21 12:36:22,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:22,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:22,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:22,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:22,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:36:22,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:22,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:36:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:22,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:22,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:22,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:22,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:22,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:36:22,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:22,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:36:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:22,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:22,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:22,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:36:22,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:36:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:22,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:22,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:22,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:22,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:36:22,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:22,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:22,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:22,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 12:36:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:22,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:23,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:23,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:23,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-09-21 12:36:23,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:36:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:36:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:36:23,519 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 12:36:23,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388965029] [2020-09-21 12:36:23,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:36:23,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 12:36:23,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567840539] [2020-09-21 12:36:23,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 12:36:23,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:23,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 12:36:23,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:36:23,524 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 12 states. [2020-09-21 12:36:26,286 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 99 [2020-09-21 12:36:28,743 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 100 [2020-09-21 12:36:28,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:28,957 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-09-21 12:36:28,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:36:28,958 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2020-09-21 12:36:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:28,959 INFO L225 Difference]: With dead ends: 45 [2020-09-21 12:36:28,959 INFO L226 Difference]: Without dead ends: 43 [2020-09-21 12:36:28,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:36:28,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-21 12:36:28,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-09-21 12:36:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-21 12:36:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-09-21 12:36:28,977 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 37 [2020-09-21 12:36:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:28,979 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-09-21 12:36:28,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 12:36:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-09-21 12:36:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-09-21 12:36:28,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:28,983 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 12:36:28,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:36:28,983 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:28,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:28,983 INFO L82 PathProgramCache]: Analyzing trace with hash 170703353, now seen corresponding path program 1 times [2020-09-21 12:36:28,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:28,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096180183] [2020-09-21 12:36:28,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 12:36:30,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:36:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1036 [2020-09-21 12:36:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:36:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 12:36:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:36:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:36:30,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:30,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:36:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:30,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:36:30,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:36:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:30,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:30,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:36:30,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:36:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:30,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:36:30,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 12:36:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:30,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:36:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:36:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:30,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:36:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:36:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:36:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:36:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:30,242 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 12:36:30,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096180183] [2020-09-21 12:36:30,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:36:30,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:36:30,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749974067] [2020-09-21 12:36:30,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:36:30,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:30,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:36:30,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:36:30,245 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-09-21 12:36:32,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:32,476 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-09-21 12:36:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:36:32,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-09-21 12:36:32,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:32,521 INFO L225 Difference]: With dead ends: 49 [2020-09-21 12:36:32,521 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:36:32,522 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 12:36:32,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:36:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:36:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:36:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:36:32,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2020-09-21 12:36:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:32,523 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:36:32,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:36:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:36:32,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:36:32,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:36:32,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:36:35,026 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-09-21 12:36:39,448 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 109 [2020-09-21 12:36:54,722 WARN L193 SmtUtils]: Spent 15.10 s on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2020-09-21 12:36:54,731 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:36:54,731 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 12:36:54,732 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:36:54,732 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:36:54,732 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 12:36:54,732 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:36:54,732 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:36:54,732 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2020-09-21 12:36:54,732 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-21 12:36:54,732 INFO L268 CegarLoopResult]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2020-09-21 12:36:54,733 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2020-09-21 12:36:54,733 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 22 50) no Hoare annotation was computed. [2020-09-21 12:36:54,733 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 22 50) no Hoare annotation was computed. [2020-09-21 12:36:54,734 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 (< .cse0 (+ |main_#t~mem7| .cse1 1)) (let ((.cse2 (+ main_~index2~0 1))) (<= (+ (* 4294967296 (div (+ (* (div .cse2 4294967296) 4294967296) (* main_~index1~0 (- 1)) 4294967296) 4294967296)) main_~index1~0) .cse2)) (<= (+ |main_#t~mem7| .cse1) .cse0) (let ((.cse24 (div main_~index1~0 4294967296)) (.cse23 (div main_~index2~0 4294967296))) (let ((.cse22 (* 4294967296 .cse23)) (.cse25 (* 4294967296 .cse24))) (or (let ((.cse20 (+ .cse25 2147483647)) (.cse18 (* .cse24 (- 17179869184))) (.cse19 (* main_~index1~0 4)) (.cse15 (select |#memory_int| |main_~#array~0.base|)) (.cse16 (* .cse23 (- 17179869184))) (.cse17 (* main_~index2~0 4)) (.cse21 (+ .cse22 2147483647))) (let ((.cse10 (<= main_~index2~0 .cse21)) (.cse7 (< .cse21 main_~index2~0)) (.cse8 (select .cse15 (+ .cse16 .cse17 |main_~#array~0.offset| (- 17179869184)))) (.cse9 (select .cse15 (+ .cse18 .cse19 |main_~#array~0.offset| (- 17179869184)))) (.cse11 (< .cse20 main_~index1~0)) (.cse3 (<= main_~index1~0 .cse20)) (.cse4 (select .cse15 (+ .cse18 .cse19 |main_~#array~0.offset|))) (.cse12 (select .cse15 (+ .cse16 .cse17 |main_~#array~0.offset|)))) (and (let ((.cse5 (* .cse12 (- 1))) (.cse6 (* (div .cse12 4294967296) 4294967296))) (or (and .cse3 (<= (* 4294967296 (div (+ .cse4 .cse5 .cse6 4294967295) 4294967296)) .cse4)) (and (or (and .cse7 (<= (* 4294967296 (div (+ (* .cse8 (- 1)) (* (div .cse8 4294967296) 4294967296) .cse9 4294967295) 4294967296)) .cse9)) (and .cse10 (<= (* 4294967296 (div (+ .cse5 .cse6 .cse9 4294967295) 4294967296)) .cse9))) .cse11))) (or (and (let ((.cse13 (* (div .cse9 4294967296) 4294967296)) (.cse14 (* .cse9 (- 1)))) (or (and .cse10 (<= (* 4294967296 (div (+ .cse12 .cse13 .cse14 4294967295) 4294967296)) .cse12)) (and .cse7 (<= (* 4294967296 (div (+ .cse8 .cse13 .cse14 4294967295) 4294967296)) .cse8)))) .cse11) (and .cse3 (<= (* 4294967296 (div (+ (* .cse4 (- 1)) (* (div .cse4 4294967296) 4294967296) .cse12 4294967295) 4294967296)) .cse12)))))) (<= (+ .cse22 main_~index1~0) (+ .cse25 main_~index2~0))))))) [2020-09-21 12:36:54,734 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-09-21 12:36:54,734 INFO L268 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-09-21 12:36:54,734 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 100000)) (<= (+ .cse3 main_~index1~0 1) (+ (* 4294967296 .cse2) main_~index2~0))))) [2020-09-21 12:36:54,734 INFO L268 CegarLoopResult]: For program point L36-1(line 36) no Hoare annotation was computed. [2020-09-21 12:36:54,735 INFO L264 CegarLoopResult]: At program point L34-1(lines 32 40) the Hoare annotation is: (let ((.cse6 (div main_~index2~0 4294967296))) (let ((.cse0 (* 4294967296 .cse6))) (or (let ((.cse7 (div main_~index1~0 4294967296))) (let ((.cse2 (* 4294967296 .cse7))) (and (< main_~index2~0 (+ .cse0 100000)) (let ((.cse1 (+ main_~index2~0 1))) (<= (+ (* 4294967296 (div (+ (* (div .cse1 4294967296) 4294967296) (* main_~index1~0 (- 1)) 4294967296) 4294967296)) main_~index1~0) .cse1)) (< main_~index1~0 (+ .cse2 100000)) (or (let ((.cse5 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse3 (select .cse5 (+ (* .cse7 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|))) (.cse4 (select .cse5 (+ (* .cse6 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (and (<= (* 4294967296 (div (+ .cse3 (* .cse4 (- 1)) (* (div .cse4 4294967296) 4294967296) 4294967295) 4294967296)) .cse3) (<= (* 4294967296 (div (+ (* .cse3 (- 1)) (* (div .cse3 4294967296) 4294967296) .cse4 4294967295) 4294967296)) .cse4)))) (<= (+ .cse0 main_~index1~0) (+ .cse2 main_~index2~0)))))) (and (<= main_~index2~0 (+ .cse0 99999)) (= main_~loop_entered~0 0))))) [2020-09-21 12:36:54,735 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-21 12:36:54,735 INFO L268 CegarLoopResult]: For program point L34-2(lines 23 50) no Hoare annotation was computed. [2020-09-21 12:36:54,735 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-21 12:36:54,736 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 22 50) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-21 12:36:54,736 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-09-21 12:36:54,736 INFO L264 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: (let ((.cse22 (div main_~index1~0 4294967296)) (.cse21 (div main_~index2~0 4294967296))) (let ((.cse20 (* 4294967296 .cse21)) (.cse23 (* 4294967296 .cse22))) (or (let ((.cse18 (+ .cse23 2147483647)) (.cse16 (* .cse22 (- 17179869184))) (.cse17 (* main_~index1~0 4)) (.cse13 (select |#memory_int| |main_~#array~0.base|)) (.cse14 (* .cse21 (- 17179869184))) (.cse15 (* main_~index2~0 4)) (.cse19 (+ .cse20 2147483647))) (let ((.cse8 (<= main_~index2~0 .cse19)) (.cse5 (< .cse19 main_~index2~0)) (.cse6 (select .cse13 (+ .cse14 .cse15 |main_~#array~0.offset| (- 17179869184)))) (.cse7 (select .cse13 (+ .cse16 .cse17 |main_~#array~0.offset| (- 17179869184)))) (.cse9 (< .cse18 main_~index1~0)) (.cse1 (<= main_~index1~0 .cse18)) (.cse2 (select .cse13 (+ .cse16 .cse17 |main_~#array~0.offset|))) (.cse10 (select .cse13 (+ .cse14 .cse15 |main_~#array~0.offset|)))) (and (let ((.cse0 (+ main_~index2~0 1))) (<= (+ (* 4294967296 (div (+ (* (div .cse0 4294967296) 4294967296) (* main_~index1~0 (- 1)) 4294967296) 4294967296)) main_~index1~0) .cse0)) (let ((.cse3 (* .cse10 (- 1))) (.cse4 (* (div .cse10 4294967296) 4294967296))) (or (and .cse1 (<= (* 4294967296 (div (+ .cse2 .cse3 .cse4 4294967295) 4294967296)) .cse2)) (and (or (and .cse5 (<= (* 4294967296 (div (+ (* .cse6 (- 1)) (* (div .cse6 4294967296) 4294967296) .cse7 4294967295) 4294967296)) .cse7)) (and .cse8 (<= (* 4294967296 (div (+ .cse3 .cse4 .cse7 4294967295) 4294967296)) .cse7))) .cse9))) (or (and (let ((.cse11 (* (div .cse7 4294967296) 4294967296)) (.cse12 (* .cse7 (- 1)))) (or (and .cse8 (<= (* 4294967296 (div (+ .cse10 .cse11 .cse12 4294967295) 4294967296)) .cse10)) (and .cse5 (<= (* 4294967296 (div (+ .cse6 .cse11 .cse12 4294967295) 4294967296)) .cse6)))) .cse9) (and .cse1 (<= (* 4294967296 (div (+ (* .cse2 (- 1)) (* (div .cse2 4294967296) 4294967296) .cse10 4294967295) 4294967296)) .cse10)))))) (<= (+ .cse20 main_~index1~0 1) (+ .cse23 main_~index2~0))))) [2020-09-21 12:36:54,737 INFO L264 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (let ((.cse2 (<= (+ .cse0 main_~index1~0 1) (+ (* 4294967296 (div main_~index1~0 4294967296)) main_~index2~0)))) (or (and (< main_~index2~0 (+ .cse0 100000)) (let ((.cse1 (+ main_~index2~0 1))) (<= (+ (* 4294967296 (div (+ (* (div .cse1 4294967296) 4294967296) (* main_~index1~0 (- 1)) 4294967296) 4294967296)) main_~index1~0) .cse1)) .cse2) (and (<= main_~index2~0 (+ .cse0 99999)) (= main_~loop_entered~0 0) .cse2)))) [2020-09-21 12:36:54,737 INFO L268 CegarLoopResult]: For program point L35-1(line 35) no Hoare annotation was computed. [2020-09-21 12:36:54,737 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-21 12:36:54,737 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 12 18) the Hoare annotation is: true [2020-09-21 12:36:54,737 INFO L268 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-09-21 12:36:54,737 INFO L268 CegarLoopResult]: For program point L14-2(lines 12 18) no Hoare annotation was computed. [2020-09-21 12:36:54,738 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 12 18) no Hoare annotation was computed. [2020-09-21 12:36:54,738 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2020-09-21 12:36:54,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:36:54 BoogieIcfgContainer [2020-09-21 12:36:54,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:36:54,789 INFO L168 Benchmark]: Toolchain (without parser) took 57143.51 ms. Allocated memory was 140.0 MB in the beginning and 317.2 MB in the end (delta: 177.2 MB). Free memory was 103.3 MB in the beginning and 198.1 MB in the end (delta: -94.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:54,793 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-21 12:36:54,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.55 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 92.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:54,795 INFO L168 Benchmark]: Boogie Preprocessor took 125.57 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 92.4 MB in the beginning and 180.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:54,796 INFO L168 Benchmark]: RCFGBuilder took 345.57 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 163.9 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:54,797 INFO L168 Benchmark]: TraceAbstraction took 56343.08 ms. Allocated memory was 202.9 MB in the beginning and 317.2 MB in the end (delta: 114.3 MB). Free memory was 163.9 MB in the beginning and 198.1 MB in the end (delta: -34.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:54,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 319.55 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 92.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.57 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 92.4 MB in the beginning and 180.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.57 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 163.9 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56343.08 ms. Allocated memory was 202.9 MB in the beginning and 317.2 MB in the end (delta: 114.3 MB). Free memory was 163.9 MB in the beginning and 198.1 MB in the end (delta: -34.2 MB). Peak memory consumption was 80.1 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 - 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 12:36:54,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((index2 < 4294967296 * (index2 / 4294967296) + 100000 && 4294967296 * (((index2 + 1) / 4294967296 * 4294967296 + index1 * -1 + 4294967296) / 4294967296) + index1 <= index2 + 1) && index1 < 4294967296 * (index1 / 4294967296) + 100000) && ((4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] / 4294967296 * 4294967296 + 4294967295) / 4294967296) <= 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][index1 / 4294967296 * -17179869184 + index1 * 4 + array] / 4294967296 * 4294967296 + 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)) || (index2 <= 4294967296 * (index2 / 4294967296) + 99999 && loop_entered == 0) - InvariantResult [Line: 43]: Loop Invariant [2020-09-21 12:36:54,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:36:54,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((4294967296 * (((index2 + 1) / 4294967296 * 4294967296 + index1 * -1 + 4294967296) / 4294967296) + index1 <= index2 + 1 && ((index1 <= 4294967296 * (index1 / 4294967296) + 2147483647 && 4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] / 4294967296 * 4294967296 + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array]) || (((4294967296 * (index2 / 4294967296) + 2147483647 < index2 && 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array + -17179869184] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array + -17179869184] / 4294967296 * 4294967296 + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184]) || (index2 <= 4294967296 * (index2 / 4294967296) + 2147483647 && 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] / 4294967296 * 4294967296 + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184])) && 4294967296 * (index1 / 4294967296) + 2147483647 < index1))) && ((((index2 <= 4294967296 * (index2 / 4294967296) + 2147483647 && 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] / 4294967296 * 4294967296 + 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 * (index2 / 4294967296) + 2147483647 < index2 && 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] / 4294967296 * 4294967296 + 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])) && 4294967296 * (index1 / 4294967296) + 2147483647 < index1) || (index1 <= 4294967296 * (index1 / 4294967296) + 2147483647 && 4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] / 4294967296 * 4294967296 + 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 + 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: 34.0s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 158 SDtfs, 87 SDslu, 276 SDs, 0 SdLazy, 598 SolverSat, 60 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=5, 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, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 24 PreInvPairs, 34 NumberOfFragments, 1500 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 655 FormulaSimplificationTreeSizeReductionInter, 22.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 22.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 104353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 63/66 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...