/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:24:18,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:24:18,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:24:18,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:24:18,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:24:18,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:24:18,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:24:18,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:24:18,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:24:18,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:24:18,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:24:18,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:24:18,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:24:18,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:24:18,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:24:18,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:24:18,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:24:18,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:24:18,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:24:18,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:24:18,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:24:18,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:24:18,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:24:18,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:24:18,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:24:18,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:24:18,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:24:18,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:24:18,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:24:18,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:24:18,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:24:18,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:24:18,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:24:18,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:24:18,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:24:18,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:24:18,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:24:18,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:24:18,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:24:18,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:24:18,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:24:18,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:24:18,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:24:18,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:24:18,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:24:18,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:24:18,777 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:24:18,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:24:18,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:24:18,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:24:18,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:24:18,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:24:18,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:24:18,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:24:18,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:24:18,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:24:18,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:24:18,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:24:18,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:24:18,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:24:18,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:24:18,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:24:18,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:24:18,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:24:18,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:24:18,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:24:18,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:24:18,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:24:18,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:24:18,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:24:18,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:24:18,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:24:19,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:24:19,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:24:19,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:24:19,315 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:24:19,316 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:24:19,317 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-25 11:24:19,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b90beaf4/ad5208b6c8514e11b8444ef203e2019b/FLAGd379d2a03 [2020-09-25 11:24:19,994 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:24:19,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-25 11:24:20,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b90beaf4/ad5208b6c8514e11b8444ef203e2019b/FLAGd379d2a03 [2020-09-25 11:24:20,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b90beaf4/ad5208b6c8514e11b8444ef203e2019b [2020-09-25 11:24:20,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:24:20,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:24:20,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:24:20,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:24:20,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:24:20,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112bbb30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20, skipping insertion in model container [2020-09-25 11:24:20,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:24:20,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:24:20,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:24:20,702 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:24:20,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:24:20,846 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:24:20,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20 WrapperNode [2020-09-25 11:24:20,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:24:20,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:24:20,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:24:20,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:24:20,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... [2020-09-25 11:24:20,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:24:20,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:24:20,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:24:20,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:24:20,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:24:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:24:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:24:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 11:24:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 11:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 11:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 11:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 11:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:24:21,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:24:21,444 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 11:24:21,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:24:21 BoogieIcfgContainer [2020-09-25 11:24:21,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:24:21,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:24:21,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:24:21,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:24:21,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:24:20" (1/3) ... [2020-09-25 11:24:21,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e04aa08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:24:21, skipping insertion in model container [2020-09-25 11:24:21,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:20" (2/3) ... [2020-09-25 11:24:21,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e04aa08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:24:21, skipping insertion in model container [2020-09-25 11:24:21,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:24:21" (3/3) ... [2020-09-25 11:24:21,461 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-25 11:24:21,474 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:24:21,485 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-25 11:24:21,509 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-25 11:24:21,542 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:24:21,542 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:24:21,543 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:24:21,543 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:24:21,543 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:24:21,543 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:24:21,543 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:24:21,543 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:24:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-25 11:24:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 11:24:21,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:21,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:21,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:21,588 INFO L82 PathProgramCache]: Analyzing trace with hash 477414535, now seen corresponding path program 1 times [2020-09-25 11:24:21,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:21,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146643962] [2020-09-25 11:24:21,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:21,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:21,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:24:22,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:24:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-09-25 11:24:22,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 11:24:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:24:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:24:22,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:22,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:22,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:24:22,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:22,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146643962] [2020-09-25 11:24:22,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:22,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:24:22,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348898464] [2020-09-25 11:24:22,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:24:22,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:22,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:24:22,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:22,359 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-09-25 11:24:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:22,735 INFO L93 Difference]: Finished difference Result 210 states and 236 transitions. [2020-09-25 11:24:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 11:24:22,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-09-25 11:24:22,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:22,752 INFO L225 Difference]: With dead ends: 210 [2020-09-25 11:24:22,752 INFO L226 Difference]: Without dead ends: 110 [2020-09-25 11:24:22,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:22,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-25 11:24:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 76. [2020-09-25 11:24:22,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-25 11:24:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2020-09-25 11:24:22,826 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 30 [2020-09-25 11:24:22,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:22,827 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2020-09-25 11:24:22,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:24:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2020-09-25 11:24:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-25 11:24:22,829 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:22,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:22,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:24:22,830 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:22,830 INFO L82 PathProgramCache]: Analyzing trace with hash 572189094, now seen corresponding path program 1 times [2020-09-25 11:24:22,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:22,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858550419] [2020-09-25 11:24:22,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 11:24:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:24:22,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:24:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:23,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:24:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:24:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:23,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858550419] [2020-09-25 11:24:23,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:23,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:24:23,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847768353] [2020-09-25 11:24:23,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:24:23,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:23,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:24:23,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:23,087 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 4 states. [2020-09-25 11:24:23,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:23,306 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2020-09-25 11:24:23,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 11:24:23,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-09-25 11:24:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:23,309 INFO L225 Difference]: With dead ends: 159 [2020-09-25 11:24:23,309 INFO L226 Difference]: Without dead ends: 108 [2020-09-25 11:24:23,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-25 11:24:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2020-09-25 11:24:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-25 11:24:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2020-09-25 11:24:23,322 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 31 [2020-09-25 11:24:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:23,322 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2020-09-25 11:24:23,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:24:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2020-09-25 11:24:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-25 11:24:23,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:23,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:23,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:24:23,324 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:23,325 INFO L82 PathProgramCache]: Analyzing trace with hash -921386779, now seen corresponding path program 1 times [2020-09-25 11:24:23,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:23,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738552703] [2020-09-25 11:24:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 11:24:23,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 11:24:23,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:24:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-25 11:24:23,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:24:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:23,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:24:23,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:23,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:23,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:23,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738552703] [2020-09-25 11:24:23,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:23,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:24:23,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765673798] [2020-09-25 11:24:23,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:24:23,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:23,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:24:23,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:24:23,528 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand 6 states. [2020-09-25 11:24:23,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:23,765 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2020-09-25 11:24:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:24:23,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-09-25 11:24:23,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:23,767 INFO L225 Difference]: With dead ends: 93 [2020-09-25 11:24:23,767 INFO L226 Difference]: Without dead ends: 91 [2020-09-25 11:24:23,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:24:23,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-25 11:24:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 73. [2020-09-25 11:24:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-25 11:24:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2020-09-25 11:24:23,777 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 31 [2020-09-25 11:24:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:23,778 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2020-09-25 11:24:23,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:24:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-09-25 11:24:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 11:24:23,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:23,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:23,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:24:23,780 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:23,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:23,780 INFO L82 PathProgramCache]: Analyzing trace with hash -223412704, now seen corresponding path program 1 times [2020-09-25 11:24:23,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:23,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102615426] [2020-09-25 11:24:23,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 11:24:23,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 11:24:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:24:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:24:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:24:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:23,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:23,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:23,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:23,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:24:23,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:23,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:23,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:23,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102615426] [2020-09-25 11:24:23,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:23,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:24:23,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407230033] [2020-09-25 11:24:23,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:24:23,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:23,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:24:23,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:23,987 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 4 states. [2020-09-25 11:24:24,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:24,161 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2020-09-25 11:24:24,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 11:24:24,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-09-25 11:24:24,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:24,163 INFO L225 Difference]: With dead ends: 101 [2020-09-25 11:24:24,164 INFO L226 Difference]: Without dead ends: 84 [2020-09-25 11:24:24,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:24:24,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-09-25 11:24:24,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 73. [2020-09-25 11:24:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-25 11:24:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2020-09-25 11:24:24,172 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 33 [2020-09-25 11:24:24,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:24,172 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2020-09-25 11:24:24,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:24:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2020-09-25 11:24:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-25 11:24:24,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:24,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:24,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:24:24,175 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:24,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:24,175 INFO L82 PathProgramCache]: Analyzing trace with hash 276122014, now seen corresponding path program 1 times [2020-09-25 11:24:24,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:24,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372771419] [2020-09-25 11:24:24,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:24,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:25,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:25,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 11:24:25,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:24:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 881 [2020-09-25 11:24:25,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:25,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:24:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 11:24:25,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 11:24:25,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:25,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:25,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:25,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:25,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:25,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:24:25,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:25,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:25,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:25,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372771419] [2020-09-25 11:24:25,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:25,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:24:25,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369248483] [2020-09-25 11:24:25,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:24:25,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:25,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:24:25,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:24:25,245 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 6 states. [2020-09-25 11:24:25,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:25,503 INFO L93 Difference]: Finished difference Result 171 states and 179 transitions. [2020-09-25 11:24:25,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:24:25,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-09-25 11:24:25,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:25,505 INFO L225 Difference]: With dead ends: 171 [2020-09-25 11:24:25,505 INFO L226 Difference]: Without dead ends: 129 [2020-09-25 11:24:25,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:24:25,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-25 11:24:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 93. [2020-09-25 11:24:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-25 11:24:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2020-09-25 11:24:25,530 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 52 [2020-09-25 11:24:25,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:25,530 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2020-09-25 11:24:25,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:24:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2020-09-25 11:24:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 11:24:25,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:25,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:25,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:24:25,533 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:25,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:25,536 INFO L82 PathProgramCache]: Analyzing trace with hash -94524522, now seen corresponding path program 1 times [2020-09-25 11:24:25,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:25,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239579892] [2020-09-25 11:24:25,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:25,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 11:24:25,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-25 11:24:25,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:25,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:24:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 11:24:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:24:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:25,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:25,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:25,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:25,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:25,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:24:25,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:25,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:25,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239579892] [2020-09-25 11:24:25,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:25,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:24:25,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086111953] [2020-09-25 11:24:25,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:24:25,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:25,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:24:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:24:25,841 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 6 states. [2020-09-25 11:24:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:26,137 INFO L93 Difference]: Finished difference Result 135 states and 141 transitions. [2020-09-25 11:24:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 11:24:26,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-09-25 11:24:26,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:26,140 INFO L225 Difference]: With dead ends: 135 [2020-09-25 11:24:26,140 INFO L226 Difference]: Without dead ends: 133 [2020-09-25 11:24:26,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:24:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-25 11:24:26,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 93. [2020-09-25 11:24:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-25 11:24:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2020-09-25 11:24:26,150 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 53 [2020-09-25 11:24:26,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:26,151 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2020-09-25 11:24:26,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:24:26,151 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2020-09-25 11:24:26,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 11:24:26,152 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:26,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:26,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 11:24:26,153 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:26,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:26,154 INFO L82 PathProgramCache]: Analyzing trace with hash 893991191, now seen corresponding path program 1 times [2020-09-25 11:24:26,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:26,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826231142] [2020-09-25 11:24:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:26,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:26,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:26,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 11:24:26,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:24:26,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-25 11:24:26,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:26,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:24:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 11:24:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 11:24:26,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:26,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:26,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:26,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:26,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:26,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:24:26,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:26,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:26,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:26,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826231142] [2020-09-25 11:24:26,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:26,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:24:26,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854345321] [2020-09-25 11:24:26,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:24:26,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:26,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:24:26,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:24:26,559 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand 6 states. [2020-09-25 11:24:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:26,807 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2020-09-25 11:24:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:24:26,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-09-25 11:24:26,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:26,810 INFO L225 Difference]: With dead ends: 188 [2020-09-25 11:24:26,810 INFO L226 Difference]: Without dead ends: 126 [2020-09-25 11:24:26,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:24:26,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-25 11:24:26,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 70. [2020-09-25 11:24:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 11:24:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-09-25 11:24:26,817 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 53 [2020-09-25 11:24:26,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:26,818 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-09-25 11:24:26,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:24:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-09-25 11:24:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-25 11:24:26,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:26,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:26,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 11:24:26,820 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:26,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:26,820 INFO L82 PathProgramCache]: Analyzing trace with hash -2013372873, now seen corresponding path program 1 times [2020-09-25 11:24:26,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:26,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775414611] [2020-09-25 11:24:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:26,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:28,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:28,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 11:24:28,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:24:28,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1572 [2020-09-25 11:24:28,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:28,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:24:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 11:24:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 11:24:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:29,085 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2020-09-25 11:24:29,329 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 62 [2020-09-25 11:24:29,821 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 69 [2020-09-25 11:24:30,045 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2020-09-25 11:24:30,280 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2020-09-25 11:24:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:30,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:30,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:30,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:30,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:30,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:24:30,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:30,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:30,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:30,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775414611] [2020-09-25 11:24:30,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:24:30,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 11:24:30,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452852507] [2020-09-25 11:24:30,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 11:24:30,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:30,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 11:24:30,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:24:30,552 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 14 states. [2020-09-25 11:24:30,884 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-09-25 11:24:31,421 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-09-25 11:24:33,663 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 91 [2020-09-25 11:24:35,960 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 93 [2020-09-25 11:24:36,198 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-09-25 11:24:36,376 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-09-25 11:24:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:36,759 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-09-25 11:24:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 11:24:36,760 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-09-25 11:24:36,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:36,761 INFO L225 Difference]: With dead ends: 94 [2020-09-25 11:24:36,761 INFO L226 Difference]: Without dead ends: 92 [2020-09-25 11:24:36,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2020-09-25 11:24:36,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-09-25 11:24:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 80. [2020-09-25 11:24:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-25 11:24:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-09-25 11:24:36,767 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 55 [2020-09-25 11:24:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:36,767 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-09-25 11:24:36,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 11:24:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-09-25 11:24:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 11:24:36,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:24:36,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:24:36,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 11:24:36,769 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:24:36,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:24:36,770 INFO L82 PathProgramCache]: Analyzing trace with hash 511170824, now seen corresponding path program 1 times [2020-09-25 11:24:36,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:24:36,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744526540] [2020-09-25 11:24:36,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:24:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:36,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:38,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:41,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:41,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 11:24:41,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:24:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 11:24:41,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:41,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:24:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 11:24:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 11:24:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:42,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:24:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:24:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:24:42,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:24:42,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:24:42,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:24:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:24:42,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:24:42,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:24:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:24:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:24:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:24:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:24:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:24:42,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744526540] [2020-09-25 11:24:42,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:24:42,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 11:24:42,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078999681] [2020-09-25 11:24:42,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:24:42,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:24:42,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:24:42,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:24:42,045 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 6 states. [2020-09-25 11:24:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:24:44,876 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-09-25 11:24:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 11:24:44,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-09-25 11:24:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:24:44,877 INFO L225 Difference]: With dead ends: 95 [2020-09-25 11:24:44,877 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:24:44,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:24:44,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:24:44,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:24:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:24:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:24:44,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-25 11:24:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:24:44,880 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:24:44,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:24:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:24:44,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:24:44,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 11:24:44,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:24:53,578 WARN L193 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-09-25 11:24:53,841 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2020-09-25 11:24:53,959 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-09-25 11:24:54,002 INFO L268 CegarLoopResult]: For program point L1(line 1) no Hoare annotation was computed. [2020-09-25 11:24:54,002 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 11:24:54,002 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 11:24:54,002 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 11:24:54,003 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 11:24:54,003 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 11:24:54,003 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__return_136~0 |old(~__return_136~0)|) (= |old(#valid)| |#valid|)) [2020-09-25 11:24:54,003 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 11:24:54,004 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-25 11:24:54,004 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 11:24:54,005 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-09-25 11:24:54,005 INFO L268 CegarLoopResult]: For program point L60(lines 60 86) no Hoare annotation was computed. [2020-09-25 11:24:54,005 INFO L268 CegarLoopResult]: For program point L27(lines 27 150) no Hoare annotation was computed. [2020-09-25 11:24:54,005 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 166) no Hoare annotation was computed. [2020-09-25 11:24:54,005 INFO L264 CegarLoopResult]: At program point L85(lines 60 86) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (let ((.cse0 (+ main_~main__index2~0 1))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ (* main_~main__index1~0 (- 1)) (* (div .cse0 4294967296) 4294967296) 4294967296) 4294967296))) .cse0)) (<= 1 main_~main____CPAchecker_TMP_0~1) (<= 1 main_~__tmp_1~0) (<= main_~main__index2~0 (+ .cse1 99998)) (<= 1 main_~__VERIFIER_assert__cond~0) (<= (+ main_~main__index1~0 .cse1 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-25 11:24:54,005 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-25 11:24:54,006 INFO L268 CegarLoopResult]: For program point L19(lines 19 165) no Hoare annotation was computed. [2020-09-25 11:24:54,007 INFO L264 CegarLoopResult]: At program point L77(lines 44 137) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-25 11:24:54,007 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 11:24:54,007 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 11:24:54,007 INFO L268 CegarLoopResult]: For program point L69(lines 69 78) no Hoare annotation was computed. [2020-09-25 11:24:54,007 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 11:24:54,007 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-25 11:24:54,008 INFO L264 CegarLoopResult]: At program point L144(lines 29 145) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~main__loop_entered~0 (* 4294967296 (div main_~main__loop_entered~0 4294967296))) (<= 0 main_~main__loop_entered~0) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-25 11:24:54,008 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-25 11:24:54,008 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-25 11:24:54,008 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-25 11:24:54,008 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-25 11:24:54,008 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-25 11:24:54,009 INFO L268 CegarLoopResult]: For program point L103-3(line 103) no Hoare annotation was computed. [2020-09-25 11:24:54,009 INFO L268 CegarLoopResult]: For program point L103-4(line 103) no Hoare annotation was computed. [2020-09-25 11:24:54,009 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-25 11:24:54,009 INFO L268 CegarLoopResult]: For program point L29(lines 29 145) no Hoare annotation was computed. [2020-09-25 11:24:54,009 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 11:24:54,010 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 11:24:54,010 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-09-25 11:24:54,010 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 166) no Hoare annotation was computed. [2020-09-25 11:24:54,010 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-25 11:24:54,010 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 11:24:54,010 INFO L268 CegarLoopResult]: For program point L38(lines 38 137) no Hoare annotation was computed. [2020-09-25 11:24:54,011 INFO L271 CegarLoopResult]: At program point L129(lines 96 130) the Hoare annotation is: true [2020-09-25 11:24:54,011 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2020-09-25 11:24:54,011 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 166) the Hoare annotation is: (and (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#valid)| |#valid|)) [2020-09-25 11:24:54,011 INFO L264 CegarLoopResult]: At program point L154(lines 24 155) the Hoare annotation is: (or (let ((.cse3 (div main_~main__index2~0 4294967296))) (and (let ((.cse2 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse0 (select .cse2 (+ (* main_~main__index1~0 4) |main_~#main__array~0.offset| (* (div main_~main__index1~0 4294967296) (- 17179869184)))))) (<= .cse0 (let ((.cse1 (select .cse2 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse3 (- 17179869184)))))) (+ .cse1 (* 4294967296 (div (+ .cse0 (* .cse1 (- 1))) 4294967296))))))) (let ((.cse4 (+ main_~main__index2~0 1))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ (* main_~main__index1~0 (- 1)) (* (div .cse4 4294967296) 4294967296) 4294967296) 4294967296))) .cse4)) (<= main_~main__index2~0 (+ (* 4294967296 .cse3) 99998)))) (and (<= main_~main__loop_entered~0 (* 4294967296 (div main_~main__loop_entered~0 4294967296))) (<= 0 main_~main__loop_entered~0))) [2020-09-25 11:24:54,011 INFO L268 CegarLoopResult]: For program point L55(lines 55 131) no Hoare annotation was computed. [2020-09-25 11:24:54,011 INFO L268 CegarLoopResult]: For program point L22(lines 22 160) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L14-4(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,012 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-5(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-6(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-7(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-8(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-9(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-10(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,013 INFO L268 CegarLoopResult]: For program point L14-11(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L14-12(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L14-13(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L14-14(line 14) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-25 11:24:54,014 INFO L268 CegarLoopResult]: For program point L48-2(lines 48 136) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L48-3(line 48) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L48-4(line 48) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L48-5(line 48) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L106(lines 106 118) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L48-6(line 48) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-25 11:24:54,015 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-25 11:24:54,016 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-09-25 11:24:54,016 INFO L264 CegarLoopResult]: At program point L90(lines 58 91) the Hoare annotation is: false [2020-09-25 11:24:54,016 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-25 11:24:54,016 INFO L268 CegarLoopResult]: For program point L24(lines 24 155) no Hoare annotation was computed. [2020-09-25 11:24:54,016 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-25 11:24:54,016 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 11:24:54,017 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-25 11:24:54,017 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 11:24:54,017 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-25 11:24:54,017 INFO L268 CegarLoopResult]: For program point L58(lines 58 91) no Hoare annotation was computed. [2020-09-25 11:24:54,017 INFO L264 CegarLoopResult]: At program point L149(lines 27 150) the Hoare annotation is: false [2020-09-25 11:24:54,017 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-25 11:24:54,017 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 11:24:54,018 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 11:24:54,018 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-25 11:24:54,018 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 11:24:54,018 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-25 11:24:54,018 INFO L264 CegarLoopResult]: At program point L117(lines 97 126) the Hoare annotation is: (let ((.cse14 (div main_~main__index1~0 4294967296)) (.cse15 (div main_~main__index2~0 4294967296))) (let ((.cse12 (* 4294967296 .cse15)) (.cse13 (* 4294967296 .cse14))) (or (and (let ((.cse3 (select |#memory_int| |main_~#main__array~0.base|)) (.cse9 (* main_~main__index2~0 4)) (.cse10 (* .cse15 (- 17179869184)))) (let ((.cse1 (select .cse3 (+ .cse9 |main_~#main__array~0.offset| .cse10)))) (let ((.cse2 (* .cse1 (- 1))) (.cse4 (* main_~main__index1~0 4)) (.cse5 (* .cse14 (- 17179869184))) (.cse6 (+ .cse13 2147483647))) (or (and (let ((.cse0 (select .cse3 (+ .cse4 |main_~#main__array~0.offset| .cse5)))) (<= .cse0 (+ .cse1 (* 4294967296 (div (+ .cse0 .cse2) 4294967296))))) (<= main_~main__index1~0 .cse6)) (and (let ((.cse7 (select .cse3 (+ .cse4 |main_~#main__array~0.offset| .cse5 (- 17179869184)))) (.cse11 (+ .cse12 2147483647))) (or (and (<= .cse7 (let ((.cse8 (select .cse3 (+ .cse9 |main_~#main__array~0.offset| .cse10 (- 17179869184))))) (+ (* 4294967296 (div (+ (* .cse8 (- 1)) .cse7) 4294967296)) .cse8))) (< .cse11 main_~main__index2~0)) (and (<= .cse7 (+ .cse1 (* 4294967296 (div (+ .cse2 .cse7) 4294967296)))) (<= main_~main__index2~0 .cse11)))) (< .cse6 main_~main__index1~0)))))) (let ((.cse16 (+ main_~main__index2~0 1))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ (* main_~main__index1~0 (- 1)) (* (div .cse16 4294967296) 4294967296) 4294967296) 4294967296))) .cse16))) (<= (+ main_~main__index1~0 .cse12 1) (+ main_~main__index2~0 .cse13))))) [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-25 11:24:54,019 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-25 11:24:54,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:24:54 BoogieIcfgContainer [2020-09-25 11:24:54,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:24:54,063 INFO L168 Benchmark]: Toolchain (without parser) took 33719.29 ms. Allocated memory was 137.9 MB in the beginning and 375.4 MB in the end (delta: 237.5 MB). Free memory was 99.7 MB in the beginning and 306.7 MB in the end (delta: -207.0 MB). Peak memory consumption was 251.5 MB. Max. memory is 7.1 GB. [2020-09-25 11:24:54,063 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 11:24:54,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.65 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 99.0 MB in the beginning and 178.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-09-25 11:24:54,065 INFO L168 Benchmark]: Boogie Preprocessor took 61.32 ms. Allocated memory is still 199.8 MB. Free memory was 178.6 MB in the beginning and 176.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-25 11:24:54,066 INFO L168 Benchmark]: RCFGBuilder took 541.77 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 151.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-09-25 11:24:54,067 INFO L168 Benchmark]: TraceAbstraction took 32608.16 ms. Allocated memory was 199.8 MB in the beginning and 375.4 MB in the end (delta: 175.6 MB). Free memory was 151.6 MB in the beginning and 306.7 MB in the end (delta: -155.1 MB). Peak memory consumption was 241.6 MB. Max. memory is 7.1 GB. [2020-09-25 11:24:54,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 495.65 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 99.0 MB in the beginning and 178.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.32 ms. Allocated memory is still 199.8 MB. Free memory was 178.6 MB in the beginning and 176.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 541.77 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 151.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32608.16 ms. Allocated memory was 199.8 MB in the beginning and 375.4 MB in the end (delta: 175.6 MB). Free memory was 151.6 MB in the beginning and 306.7 MB in the end (delta: -155.1 MB). Peak memory consumption was 241.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 24]: Loop Invariant [2020-09-25 11:24:54,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] * -1) / 4294967296) && main__index1 + 4294967296 * ((main__index1 * -1 + (main__index2 + 1) / 4294967296 * 4294967296 + 4294967296) / 4294967296) <= main__index2 + 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99998) || (main__loop_entered <= 4294967296 * (main__loop_entered / 4294967296) && 0 <= main__loop_entered) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant [2020-09-25 11:24:54,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 11:24:54,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] * -1) / 4294967296) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647) || (((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] * -1 + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184]) / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] * -1 + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184]) / 4294967296) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647)) && 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1)) && main__index1 + 4294967296 * ((main__index1 * -1 + (main__index2 + 1) / 4294967296 * 4294967296 + 4294967296) / 4294967296) <= main__index2 + 1) || main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((main__index1 + 4294967296 * ((main__index1 * -1 + (main__index2 + 1) / 4294967296 * 4294967296 + 4294967296) / 4294967296) <= main__index2 + 1 && 1 <= main____CPAchecker_TMP_0) && 1 <= __tmp_1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99998) && 1 <= __VERIFIER_assert__cond) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && 1 <= main____CPAchecker_TMP_0) && main__loop_entered <= 4294967296 * (main__loop_entered / 4294967296)) && 0 <= main__loop_entered) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.3s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 696 SDtfs, 722 SDslu, 1215 SDs, 0 SdLazy, 1301 SolverSat, 32 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 240 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 551 HoareAnnotationTreeSize, 12 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 682 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 313431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 9/10 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...