/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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 08:01:47,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:01:47,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:01:47,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:01:47,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:01:47,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:01:47,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:01:47,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:01:47,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:01:47,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:01:47,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:01:47,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:01:47,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:01:47,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:01:47,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:01:47,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:01:47,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:01:47,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:01:47,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:01:47,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:01:47,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:01:47,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:01:47,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:01:47,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:01:47,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:01:47,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:01:47,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:01:47,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:01:47,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:01:47,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:01:47,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:01:47,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:01:47,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:01:47,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:01:47,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:01:47,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:01:47,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:01:47,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:01:47,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:01:47,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:01:47,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:01:47,809 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 08:01:47,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:01:47,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:01:47,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:01:47,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:01:47,837 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:01:47,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:01:47,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:01:47,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:01:47,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:01:47,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:01:47,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:01:47,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:01:47,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:01:47,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:01:47,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:01:47,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:01:47,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:01:47,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:01:47,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:01:47,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:01:47,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:01:47,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:01:47,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:01:47,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:01:47,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:01:47,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:01:47,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:01:47,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:01:47,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:01:47,842 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 08:01:48,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:01:48,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:01:48,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:01:48,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:01:48,368 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:01:48,369 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-25 08:01:48,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7719b882/e1b06b473b6a442a9fa89dc358cbe3bd/FLAG18a3f0340 [2020-09-25 08:01:49,035 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:01:49,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-25 08:01:49,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7719b882/e1b06b473b6a442a9fa89dc358cbe3bd/FLAG18a3f0340 [2020-09-25 08:01:49,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7719b882/e1b06b473b6a442a9fa89dc358cbe3bd [2020-09-25 08:01:49,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:01:49,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:01:49,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:01:49,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:01:49,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:01:49,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab41b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49, skipping insertion in model container [2020-09-25 08:01:49,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:01:49,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:01:49,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:01:49,676 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:01:49,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:01:49,820 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:01:49,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49 WrapperNode [2020-09-25 08:01:49,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:01:49,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:01:49,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:01:49,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:01:49,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (1/1) ... [2020-09-25 08:01:49,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:01:49,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:01:49,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:01:49,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:01:49,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (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 08:01:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:01:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:01:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 08:01:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:01:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:01:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 08:01:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 08:01:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 08:01:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 08:01:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:01:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:01:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:01:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:01:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:01:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:01:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:01:50,371 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:01:50,372 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 08:01:50,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:50 BoogieIcfgContainer [2020-09-25 08:01:50,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:01:50,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:01:50,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:01:50,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:01:50,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:01:49" (1/3) ... [2020-09-25 08:01:50,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c008b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:50, skipping insertion in model container [2020-09-25 08:01:50,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:49" (2/3) ... [2020-09-25 08:01:50,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c008b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:50, skipping insertion in model container [2020-09-25 08:01:50,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:50" (3/3) ... [2020-09-25 08:01:50,399 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-25 08:01:50,411 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:01:50,422 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-25 08:01:50,445 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-25 08:01:50,475 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:01:50,476 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:01:50,476 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:01:50,476 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:01:50,476 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:01:50,476 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:01:50,476 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:01:50,476 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:01:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-25 08:01:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 08:01:50,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:50,513 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 08:01:50,514 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:50,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:50,520 INFO L82 PathProgramCache]: Analyzing trace with hash 477414535, now seen corresponding path program 1 times [2020-09-25 08:01:50,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:50,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002955752] [2020-09-25 08:01:50,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:50,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:50,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:51,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:51,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:01:51,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:01:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-09-25 08:01:51,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:51,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:01:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 08:01:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:01:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:01:51,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:01:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:51,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:51,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:51,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:01:51,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 08:01:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:51,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:01:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:01:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:01:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:51,291 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 08:01:51,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002955752] [2020-09-25 08:01:51,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:01:51,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:01:51,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358166316] [2020-09-25 08:01:51,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:01:51,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:01:51,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:01:51,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:01:51,327 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-09-25 08:01:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:01:51,667 INFO L93 Difference]: Finished difference Result 210 states and 236 transitions. [2020-09-25 08:01:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:01:51,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-09-25 08:01:51,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:01:51,685 INFO L225 Difference]: With dead ends: 210 [2020-09-25 08:01:51,685 INFO L226 Difference]: Without dead ends: 110 [2020-09-25 08:01:51,703 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 08:01:51,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-25 08:01:51,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 76. [2020-09-25 08:01:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-25 08:01:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2020-09-25 08:01:51,756 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 30 [2020-09-25 08:01:51,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:01:51,757 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2020-09-25 08:01:51,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:01:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2020-09-25 08:01:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-25 08:01:51,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:51,759 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 08:01:51,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:01:51,759 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:51,760 INFO L82 PathProgramCache]: Analyzing trace with hash 572189094, now seen corresponding path program 1 times [2020-09-25 08:01:51,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:51,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861689843] [2020-09-25 08:01:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:51,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:51,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 08:01:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 08:01:51,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:51,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:01:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 08:01:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:01:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:01:51,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:01:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:51,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:51,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:01:51,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:01:51,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:51,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:01:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:01:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:01:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:51,968 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 08:01:51,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861689843] [2020-09-25 08:01:51,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:01:51,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:01:51,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927998798] [2020-09-25 08:01:51,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:01:51,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:01:51,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:01:51,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:01:51,983 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 4 states. [2020-09-25 08:01:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:01:52,256 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2020-09-25 08:01:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:01:52,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-09-25 08:01:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:01:52,259 INFO L225 Difference]: With dead ends: 159 [2020-09-25 08:01:52,259 INFO L226 Difference]: Without dead ends: 108 [2020-09-25 08:01:52,261 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 08:01:52,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-25 08:01:52,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2020-09-25 08:01:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-25 08:01:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2020-09-25 08:01:52,272 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 31 [2020-09-25 08:01:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:01:52,273 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2020-09-25 08:01:52,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:01:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2020-09-25 08:01:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-25 08:01:52,274 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:52,274 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 08:01:52,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:01:52,275 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:52,275 INFO L82 PathProgramCache]: Analyzing trace with hash -921386779, now seen corresponding path program 1 times [2020-09-25 08:01:52,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:52,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703066633] [2020-09-25 08:01:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:52,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:52,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:52,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 08:01:52,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 08:01:52,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:52,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:01:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-25 08:01:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:01:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:01:52,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:01:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:52,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:01:52,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:01:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:52,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:01:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:01:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:01:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:52,507 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 08:01:52,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703066633] [2020-09-25 08:01:52,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:01:52,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:01:52,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407788211] [2020-09-25 08:01:52,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:01:52,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:01:52,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:01:52,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:01:52,510 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand 6 states. [2020-09-25 08:01:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:01:52,734 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2020-09-25 08:01:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:01:52,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-09-25 08:01:52,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:01:52,736 INFO L225 Difference]: With dead ends: 93 [2020-09-25 08:01:52,736 INFO L226 Difference]: Without dead ends: 91 [2020-09-25 08:01:52,737 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 08:01:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-25 08:01:52,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 73. [2020-09-25 08:01:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-25 08:01:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2020-09-25 08:01:52,746 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 31 [2020-09-25 08:01:52,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:01:52,747 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2020-09-25 08:01:52,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:01:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-09-25 08:01:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 08:01:52,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:52,748 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 08:01:52,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:01:52,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:52,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:52,749 INFO L82 PathProgramCache]: Analyzing trace with hash -223412704, now seen corresponding path program 1 times [2020-09-25 08:01:52,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:52,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11512492] [2020-09-25 08:01:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:52,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:52,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:52,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 08:01:52,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 08:01:52,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:52,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:01:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 08:01:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:01:52,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:01:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:52,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:52,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:01:52,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:01:52,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:52,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:01:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:01:52,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:01:52,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:52,962 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 08:01:52,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11512492] [2020-09-25 08:01:52,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:01:52,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:01:52,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727323600] [2020-09-25 08:01:52,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:01:52,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:01:52,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:01:52,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:01:52,965 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 4 states. [2020-09-25 08:01:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:01:53,131 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2020-09-25 08:01:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:01:53,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-09-25 08:01:53,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:01:53,133 INFO L225 Difference]: With dead ends: 101 [2020-09-25 08:01:53,133 INFO L226 Difference]: Without dead ends: 84 [2020-09-25 08:01:53,134 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 08:01:53,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-09-25 08:01:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 73. [2020-09-25 08:01:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-25 08:01:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2020-09-25 08:01:53,142 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 33 [2020-09-25 08:01:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:01:53,142 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2020-09-25 08:01:53,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:01:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2020-09-25 08:01:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-25 08:01:53,144 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:53,144 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 08:01:53,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:01:53,145 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:53,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:53,145 INFO L82 PathProgramCache]: Analyzing trace with hash 276122014, now seen corresponding path program 1 times [2020-09-25 08:01:53,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:53,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973745939] [2020-09-25 08:01:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:53,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:53,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:54,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:54,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 08:01:54,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:01:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-09-25 08:01:54,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:54,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:01:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 08:01:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 08:01:54,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:54,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:01:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:54,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:54,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:54,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:01:54,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:01:54,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:54,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:01:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:01:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:01:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:54,340 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 08:01:54,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973745939] [2020-09-25 08:01:54,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:01:54,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:01:54,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877739349] [2020-09-25 08:01:54,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:01:54,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:01:54,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:01:54,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:01:54,344 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 7 states. [2020-09-25 08:01:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:01:56,882 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2020-09-25 08:01:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 08:01:56,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-09-25 08:01:56,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:01:56,884 INFO L225 Difference]: With dead ends: 154 [2020-09-25 08:01:56,884 INFO L226 Difference]: Without dead ends: 112 [2020-09-25 08:01:56,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:01:56,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-09-25 08:01:56,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 72. [2020-09-25 08:01:56,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-25 08:01:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-09-25 08:01:56,896 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 52 [2020-09-25 08:01:56,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:01:56,897 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-09-25 08:01:56,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:01:56,897 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-09-25 08:01:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 08:01:56,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:56,902 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 08:01:56,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:01:56,903 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:56,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:56,903 INFO L82 PathProgramCache]: Analyzing trace with hash -94524522, now seen corresponding path program 1 times [2020-09-25 08:01:56,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:56,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700062059] [2020-09-25 08:01:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:57,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 08:01:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-25 08:01:57,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:57,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:01:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 08:01:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:01:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:01:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:01:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:57,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:57,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:57,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:01:57,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:01:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:01:57,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:57,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:01:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:01:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:01:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:01:57,216 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 08:01:57,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700062059] [2020-09-25 08:01:57,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:01:57,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:01:57,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640884452] [2020-09-25 08:01:57,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:01:57,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:01:57,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:01:57,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:01:57,219 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 6 states. [2020-09-25 08:01:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:01:57,467 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2020-09-25 08:01:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 08:01:57,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-09-25 08:01:57,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:01:57,469 INFO L225 Difference]: With dead ends: 108 [2020-09-25 08:01:57,469 INFO L226 Difference]: Without dead ends: 106 [2020-09-25 08:01:57,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 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 08:01:57,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-09-25 08:01:57,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 70. [2020-09-25 08:01:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 08:01:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-09-25 08:01:57,479 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 53 [2020-09-25 08:01:57,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:01:57,479 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-09-25 08:01:57,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:01:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-09-25 08:01:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-25 08:01:57,483 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:01:57,483 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 08:01:57,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 08:01:57,484 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:01:57,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:01:57,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2013372873, now seen corresponding path program 1 times [2020-09-25 08:01:57,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:01:57,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45231946] [2020-09-25 08:01:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:01:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:01:57,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:58,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:01:59,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:01:59,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 08:01:59,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:01:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1693 [2020-09-25 08:01:59,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:01:59,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:01:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:01:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 08:01:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 08:01:59,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:01:59,798 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2020-09-25 08:02:00,102 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 62 [2020-09-25 08:02:00,682 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 69 [2020-09-25 08:02:00,935 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2020-09-25 08:02:01,283 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2020-09-25 08:02:01,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:02:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:02:01,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:02:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:02:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:02:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:02:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:02:01,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:02:01,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:02:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:02:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:02:01,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:02:01,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:02:01,642 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 08:02:01,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45231946] [2020-09-25 08:02:01,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:02:01,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 08:02:01,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003911878] [2020-09-25 08:02:01,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 08:02:01,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:02:01,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 08:02:01,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-09-25 08:02:01,647 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 14 states. [2020-09-25 08:02:02,020 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-09-25 08:02:10,752 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification that was a NOOP. DAG size: 80 [2020-09-25 08:02:13,044 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 91 [2020-09-25 08:02:15,332 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 93 [2020-09-25 08:02:15,645 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-09-25 08:02:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:02:15,842 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-09-25 08:02:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 08:02:15,842 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-09-25 08:02:15,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:02:15,844 INFO L225 Difference]: With dead ends: 94 [2020-09-25 08:02:15,844 INFO L226 Difference]: Without dead ends: 92 [2020-09-25 08:02:15,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2020-09-25 08:02:15,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-09-25 08:02:15,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 80. [2020-09-25 08:02:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-25 08:02:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-09-25 08:02:15,854 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 55 [2020-09-25 08:02:15,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:02:15,855 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-09-25 08:02:15,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 08:02:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-09-25 08:02:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 08:02:15,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:02:15,857 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 08:02:15,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 08:02:15,857 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:02:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:02:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash 511170824, now seen corresponding path program 1 times [2020-09-25 08:02:15,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:02:15,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292572330] [2020-09-25 08:02:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:02:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:02:15,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:02:16,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:02:17,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:02:20,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:02:20,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 08:02:20,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:02:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-09-25 08:02:20,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:02:20,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:02:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:02:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 08:02:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 08:02:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:02:21,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:02:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:02:21,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:02:21,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:02:21,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:02:21,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:02:21,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:02:21,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:02:21,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:02:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:02:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:02:21,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:02:21,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:02:21,199 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 08:02:21,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292572330] [2020-09-25 08:02:21,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 08:02:21,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 08:02:21,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969367847] [2020-09-25 08:02:21,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:02:21,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:02:21,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:02:21,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:02:21,206 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 6 states. [2020-09-25 08:02:21,525 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-09-25 08:02:21,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:02:21,957 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-09-25 08:02:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 08:02:21,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-09-25 08:02:21,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:02:21,959 INFO L225 Difference]: With dead ends: 95 [2020-09-25 08:02:21,960 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:02:21,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:02:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:02:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:02:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:02:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:02:21,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-25 08:02:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:02:21,964 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:02:21,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:02:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:02:21,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:02:21,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 08:02:21,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:02:22,474 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-09-25 08:02:22,692 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2020-09-25 08:02:22,846 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-09-25 08:02:22,911 INFO L268 CegarLoopResult]: For program point L1(line 1) no Hoare annotation was computed. [2020-09-25 08:02:22,911 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 08:02:22,911 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 08:02:22,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 08:02:22,912 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 08:02:22,912 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 08:02:22,913 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 08:02:22,913 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 08:02:22,913 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 08:02:22,913 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 08:02:22,913 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 08:02:22,913 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 08:02:22,914 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-25 08:02:22,914 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 08:02:22,914 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-25 08:02:22,914 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-25 08:02:22,914 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 08:02:22,915 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-09-25 08:02:22,915 INFO L268 CegarLoopResult]: For program point L60(lines 60 86) no Hoare annotation was computed. [2020-09-25 08:02:22,915 INFO L268 CegarLoopResult]: For program point L27(lines 27 150) no Hoare annotation was computed. [2020-09-25 08:02:22,915 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 166) no Hoare annotation was computed. [2020-09-25 08:02:22,916 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 08:02:22,916 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-25 08:02:22,916 INFO L268 CegarLoopResult]: For program point L19(lines 19 165) no Hoare annotation was computed. [2020-09-25 08:02:22,916 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 08:02:22,917 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 08:02:22,917 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 08:02:22,917 INFO L268 CegarLoopResult]: For program point L69(lines 69 78) no Hoare annotation was computed. [2020-09-25 08:02:22,917 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 08:02:22,917 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-25 08:02:22,918 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 08:02:22,918 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-25 08:02:22,918 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-25 08:02:22,919 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-25 08:02:22,919 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-25 08:02:22,919 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-25 08:02:22,919 INFO L268 CegarLoopResult]: For program point L103-3(line 103) no Hoare annotation was computed. [2020-09-25 08:02:22,919 INFO L268 CegarLoopResult]: For program point L103-4(line 103) no Hoare annotation was computed. [2020-09-25 08:02:22,920 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-25 08:02:22,920 INFO L268 CegarLoopResult]: For program point L29(lines 29 145) no Hoare annotation was computed. [2020-09-25 08:02:22,920 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 08:02:22,920 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 08:02:22,920 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-09-25 08:02:22,921 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 166) no Hoare annotation was computed. [2020-09-25 08:02:22,921 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-25 08:02:22,921 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 08:02:22,921 INFO L268 CegarLoopResult]: For program point L38(lines 38 137) no Hoare annotation was computed. [2020-09-25 08:02:22,922 INFO L271 CegarLoopResult]: At program point L129(lines 96 130) the Hoare annotation is: true [2020-09-25 08:02:22,922 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2020-09-25 08:02:22,922 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 08:02:22,923 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 08:02:22,923 INFO L268 CegarLoopResult]: For program point L55(lines 55 131) no Hoare annotation was computed. [2020-09-25 08:02:22,923 INFO L268 CegarLoopResult]: For program point L22(lines 22 160) no Hoare annotation was computed. [2020-09-25 08:02:22,923 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 08:02:22,924 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,924 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,924 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,924 INFO L268 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,924 INFO L268 CegarLoopResult]: For program point L14-4(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,925 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-25 08:02:22,925 INFO L268 CegarLoopResult]: For program point L14-5(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,925 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-25 08:02:22,925 INFO L268 CegarLoopResult]: For program point L14-6(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,926 INFO L268 CegarLoopResult]: For program point L14-7(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,926 INFO L268 CegarLoopResult]: For program point L14-8(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,926 INFO L268 CegarLoopResult]: For program point L14-9(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,926 INFO L268 CegarLoopResult]: For program point L14-10(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,927 INFO L268 CegarLoopResult]: For program point L14-11(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,927 INFO L268 CegarLoopResult]: For program point L14-12(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,927 INFO L268 CegarLoopResult]: For program point L14-13(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,927 INFO L268 CegarLoopResult]: For program point L14-14(line 14) no Hoare annotation was computed. [2020-09-25 08:02:22,928 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-25 08:02:22,928 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-25 08:02:22,928 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 08:02:22,928 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-25 08:02:22,928 INFO L268 CegarLoopResult]: For program point L48-2(lines 48 136) no Hoare annotation was computed. [2020-09-25 08:02:22,929 INFO L268 CegarLoopResult]: For program point L48-3(line 48) no Hoare annotation was computed. [2020-09-25 08:02:22,929 INFO L268 CegarLoopResult]: For program point L48-4(line 48) no Hoare annotation was computed. [2020-09-25 08:02:22,929 INFO L268 CegarLoopResult]: For program point L48-5(line 48) no Hoare annotation was computed. [2020-09-25 08:02:22,929 INFO L268 CegarLoopResult]: For program point L106(lines 106 118) no Hoare annotation was computed. [2020-09-25 08:02:22,930 INFO L268 CegarLoopResult]: For program point L48-6(line 48) no Hoare annotation was computed. [2020-09-25 08:02:22,930 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-25 08:02:22,930 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-25 08:02:22,931 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-09-25 08:02:22,931 INFO L264 CegarLoopResult]: At program point L90(lines 58 91) the Hoare annotation is: false [2020-09-25 08:02:22,931 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-25 08:02:22,933 INFO L268 CegarLoopResult]: For program point L24(lines 24 155) no Hoare annotation was computed. [2020-09-25 08:02:22,933 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-25 08:02:22,934 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 08:02:22,934 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-25 08:02:22,934 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 08:02:22,934 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-25 08:02:22,935 INFO L268 CegarLoopResult]: For program point L58(lines 58 91) no Hoare annotation was computed. [2020-09-25 08:02:22,935 INFO L264 CegarLoopResult]: At program point L149(lines 27 150) the Hoare annotation is: false [2020-09-25 08:02:22,935 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-25 08:02:22,935 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 08:02:22,935 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 08:02:22,936 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-25 08:02:22,937 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 08:02:22,937 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-25 08:02:22,938 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 08:02:22,938 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 08:02:22,938 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-25 08:02:22,939 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-25 08:02:22,939 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 08:02:22,939 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-25 08:02:22,939 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-25 08:02:22,939 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-25 08:02:22,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:22,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:02:23 BoogieIcfgContainer [2020-09-25 08:02:23,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 08:02:23,029 INFO L168 Benchmark]: Toolchain (without parser) took 33664.66 ms. Allocated memory was 145.2 MB in the beginning and 349.7 MB in the end (delta: 204.5 MB). Free memory was 100.3 MB in the beginning and 271.8 MB in the end (delta: -171.5 MB). Peak memory consumption was 216.5 MB. Max. memory is 7.1 GB. [2020-09-25 08:02:23,030 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 08:02:23,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.35 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 99.6 MB in the beginning and 178.9 MB in the end (delta: -79.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2020-09-25 08:02:23,032 INFO L168 Benchmark]: Boogie Preprocessor took 46.78 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 176.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-25 08:02:23,037 INFO L168 Benchmark]: RCFGBuilder took 519.40 ms. Allocated memory is still 201.3 MB. Free memory was 176.9 MB in the beginning and 152.2 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-09-25 08:02:23,039 INFO L168 Benchmark]: TraceAbstraction took 32636.13 ms. Allocated memory was 201.3 MB in the beginning and 349.7 MB in the end (delta: 148.4 MB). Free memory was 152.2 MB in the beginning and 271.8 MB in the end (delta: -119.7 MB). Peak memory consumption was 212.2 MB. Max. memory is 7.1 GB. [2020-09-25 08:02:23,054 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 145.2 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 452.35 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 99.6 MB in the beginning and 178.9 MB in the end (delta: -79.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.78 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 176.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 519.40 ms. Allocated memory is still 201.3 MB. Free memory was 176.9 MB in the beginning and 152.2 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32636.13 ms. Allocated memory was 201.3 MB in the beginning and 349.7 MB in the end (delta: 148.4 MB). Free memory was 152.2 MB in the beginning and 271.8 MB in the end (delta: -119.7 MB). Peak memory consumption was 212.2 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 08:02:23,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,073 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 08:02:23,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 08:02:23,082 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: 31.4s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 628 SDtfs, 607 SDslu, 1077 SDs, 0 SdLazy, 1145 SolverSat, 26 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 14.2s 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: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 184 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 551 HoareAnnotationTreeSize, 12 FomulaSimplifications, 393 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 687 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 300088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 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...