/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:49:28,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:49:28,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:49:28,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:49:28,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:49:28,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:49:28,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:49:28,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:49:28,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:49:28,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:49:28,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:49:28,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:49:28,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:49:28,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:49:28,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:49:28,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:49:28,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:49:28,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:49:28,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:49:28,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:49:28,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:49:28,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:49:28,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:49:28,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:49:28,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 20:49:28,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 20:49:28,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 20:49:28,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 20:49:28,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 20:49:28,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 20:49:28,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:49:28,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:49:28,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:49:28,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:49:28,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:49:28,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:49:28,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:49:28,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:49:28,781 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:49:28,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:49:28,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:49:28,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:49:28,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:49:28,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:49:28,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:49:28,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:49:28,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:49:28,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:49:28,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:49:28,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:49:28,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:49:28,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:49:28,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:49:28,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:49:28,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:49:28,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:49:28,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:49:28,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:49:28,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:49:28,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:49:28,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:28,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:49:28,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:49:28,786 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:49:29,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:49:29,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:49:29,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:49:29,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:49:29,113 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:49:29,114 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2020-07-21 20:49:29,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e0fa02f/fdd0fc8888d54ec387b86094b44946e8/FLAGec18160d7 [2020-07-21 20:49:29,773 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:49:29,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2020-07-21 20:49:29,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e0fa02f/fdd0fc8888d54ec387b86094b44946e8/FLAGec18160d7 [2020-07-21 20:49:30,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e0fa02f/fdd0fc8888d54ec387b86094b44946e8 [2020-07-21 20:49:30,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:49:30,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:49:30,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:49:30,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:49:30,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:49:30,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1d3f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30, skipping insertion in model container [2020-07-21 20:49:30,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:49:30,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:49:30,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:49:30,634 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:49:30,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:49:30,750 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:49:30,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30 WrapperNode [2020-07-21 20:49:30,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:49:30,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:49:30,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:49:30,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:49:30,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... [2020-07-21 20:49:30,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:49:30,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:49:30,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:49:30,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:49:30,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 20:49:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:49:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:49:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 20:49:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-21 20:49:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-21 20:49:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-21 20:49:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-21 20:49:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-21 20:49:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-21 20:49:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-21 20:49:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-21 20:49:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:49:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 20:49:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:49:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 20:49:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 20:49:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-21 20:49:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-21 20:49:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 20:49:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-21 20:49:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-21 20:49:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-21 20:49:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-21 20:49:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 20:49:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-21 20:49:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-21 20:49:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 20:49:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:49:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 20:49:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 20:49:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 20:49:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 20:49:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 20:49:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 20:49:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 20:49:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 20:49:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 20:49:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:49:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 20:49:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:49:34,056 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:49:34,057 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-21 20:49:34,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:49:34 BoogieIcfgContainer [2020-07-21 20:49:34,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:49:34,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:49:34,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:49:34,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:49:34,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:49:30" (1/3) ... [2020-07-21 20:49:34,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1101db2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:49:34, skipping insertion in model container [2020-07-21 20:49:34,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:30" (2/3) ... [2020-07-21 20:49:34,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1101db2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:49:34, skipping insertion in model container [2020-07-21 20:49:34,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:49:34" (3/3) ... [2020-07-21 20:49:34,073 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2020-07-21 20:49:34,082 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:49:34,090 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:49:34,104 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:49:34,133 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:49:34,133 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:49:34,134 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:49:34,134 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:49:34,134 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:49:34,134 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:49:34,135 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:49:34,135 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:49:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-07-21 20:49:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 20:49:34,173 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:34,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:34,175 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:34,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:34,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1328586124, now seen corresponding path program 1 times [2020-07-21 20:49:34,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:34,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267011407] [2020-07-21 20:49:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:34,516 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:34,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:34,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:49:34,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:49:34,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:34,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267011407] [2020-07-21 20:49:34,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:34,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:49:34,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047529880] [2020-07-21 20:49:34,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:49:34,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:34,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:49:34,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:34,606 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 3 states. [2020-07-21 20:49:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:34,721 INFO L93 Difference]: Finished difference Result 264 states and 407 transitions. [2020-07-21 20:49:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:49:34,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-07-21 20:49:34,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:34,741 INFO L225 Difference]: With dead ends: 264 [2020-07-21 20:49:34,741 INFO L226 Difference]: Without dead ends: 141 [2020-07-21 20:49:34,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-21 20:49:34,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 121. [2020-07-21 20:49:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 20:49:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2020-07-21 20:49:34,815 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 43 [2020-07-21 20:49:34,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:34,816 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2020-07-21 20:49:34,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:49:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2020-07-21 20:49:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 20:49:34,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:34,821 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] [2020-07-21 20:49:35,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:35,037 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:35,038 INFO L82 PathProgramCache]: Analyzing trace with hash -294008176, now seen corresponding path program 1 times [2020-07-21 20:49:35,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:35,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465225201] [2020-07-21 20:49:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:35,208 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:35,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:35,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:49:35,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:35,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:35,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465225201] [2020-07-21 20:49:35,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:35,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:49:35,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186540648] [2020-07-21 20:49:35,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:49:35,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:35,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:49:35,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:35,236 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand 3 states. [2020-07-21 20:49:35,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:35,278 INFO L93 Difference]: Finished difference Result 172 states and 234 transitions. [2020-07-21 20:49:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:49:35,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 20:49:35,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:35,282 INFO L225 Difference]: With dead ends: 172 [2020-07-21 20:49:35,282 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 20:49:35,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:35,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 20:49:35,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2020-07-21 20:49:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 20:49:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2020-07-21 20:49:35,301 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 45 [2020-07-21 20:49:35,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:35,302 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2020-07-21 20:49:35,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:49:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2020-07-21 20:49:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 20:49:35,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:35,306 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 20:49:35,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:35,520 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:35,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:35,521 INFO L82 PathProgramCache]: Analyzing trace with hash -615907369, now seen corresponding path program 1 times [2020-07-21 20:49:35,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:35,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787694578] [2020-07-21 20:49:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:35,728 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:35,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:35,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:49:35,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 20:49:35,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:35,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787694578] [2020-07-21 20:49:35,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:35,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:49:35,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288975184] [2020-07-21 20:49:35,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:49:35,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:35,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:49:35,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:35,751 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand 3 states. [2020-07-21 20:49:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:35,787 INFO L93 Difference]: Finished difference Result 182 states and 250 transitions. [2020-07-21 20:49:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:49:35,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-07-21 20:49:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:35,791 INFO L225 Difference]: With dead ends: 182 [2020-07-21 20:49:35,791 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 20:49:35,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:35,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 20:49:35,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 122. [2020-07-21 20:49:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-07-21 20:49:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-07-21 20:49:35,806 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 50 [2020-07-21 20:49:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:35,807 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-07-21 20:49:35,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:49:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-07-21 20:49:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 20:49:35,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:35,810 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] [2020-07-21 20:49:36,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:36,025 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:36,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:36,026 INFO L82 PathProgramCache]: Analyzing trace with hash -2038778579, now seen corresponding path program 1 times [2020-07-21 20:49:36,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:36,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275541476] [2020-07-21 20:49:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:36,180 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:36,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:36,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:49:36,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:36,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:36,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275541476] [2020-07-21 20:49:36,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:36,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 20:49:36,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007545779] [2020-07-21 20:49:36,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 20:49:36,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:36,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 20:49:36,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 20:49:36,211 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 4 states. [2020-07-21 20:49:36,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:36,278 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2020-07-21 20:49:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 20:49:36,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-21 20:49:36,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:36,280 INFO L225 Difference]: With dead ends: 166 [2020-07-21 20:49:36,281 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 20:49:36,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:49:36,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 20:49:36,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-21 20:49:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-21 20:49:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 184 transitions. [2020-07-21 20:49:36,295 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 184 transitions. Word has length 51 [2020-07-21 20:49:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:36,295 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 184 transitions. [2020-07-21 20:49:36,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 20:49:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2020-07-21 20:49:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-21 20:49:36,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:36,299 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 20:49:36,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:36,513 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:36,514 INFO L82 PathProgramCache]: Analyzing trace with hash -844102079, now seen corresponding path program 1 times [2020-07-21 20:49:36,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:36,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511591231] [2020-07-21 20:49:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:36,671 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:36,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:36,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 20:49:36,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:36,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:49:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:36,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511591231] [2020-07-21 20:49:36,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:49:36,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-07-21 20:49:36,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514430690] [2020-07-21 20:49:36,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 20:49:36,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:36,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 20:49:36,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-21 20:49:36,885 INFO L87 Difference]: Start difference. First operand 134 states and 184 transitions. Second operand 10 states. [2020-07-21 20:49:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:37,373 INFO L93 Difference]: Finished difference Result 241 states and 329 transitions. [2020-07-21 20:49:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 20:49:37,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-07-21 20:49:37,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:37,376 INFO L225 Difference]: With dead ends: 241 [2020-07-21 20:49:37,377 INFO L226 Difference]: Without dead ends: 203 [2020-07-21 20:49:37,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-07-21 20:49:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-21 20:49:37,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 179. [2020-07-21 20:49:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-07-21 20:49:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 244 transitions. [2020-07-21 20:49:37,397 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 244 transitions. Word has length 55 [2020-07-21 20:49:37,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:37,398 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 244 transitions. [2020-07-21 20:49:37,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 20:49:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 244 transitions. [2020-07-21 20:49:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 20:49:37,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:37,400 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-21 20:49:37,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:37,614 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:37,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:37,614 INFO L82 PathProgramCache]: Analyzing trace with hash -387011243, now seen corresponding path program 2 times [2020-07-21 20:49:37,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:37,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155839072] [2020-07-21 20:49:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:37,821 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:49:37,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:37,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:49:37,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:37,876 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 20:49:37,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:37,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155839072] [2020-07-21 20:49:37,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:37,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:49:37,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261269582] [2020-07-21 20:49:37,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:49:37,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:37,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:49:37,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:49:37,899 INFO L87 Difference]: Start difference. First operand 179 states and 244 transitions. Second operand 5 states. [2020-07-21 20:49:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:37,933 INFO L93 Difference]: Finished difference Result 248 states and 335 transitions. [2020-07-21 20:49:37,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 20:49:37,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-21 20:49:37,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:37,935 INFO L225 Difference]: With dead ends: 248 [2020-07-21 20:49:37,935 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:49:37,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:49:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:49:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:49:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:49:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:49:37,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-21 20:49:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:37,938 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:49:37,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:49:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:49:37,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:49:38,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:38,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:49:38,620 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-07-21 20:49:38,774 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-07-21 20:49:38,946 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-07-21 20:49:39,151 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-07-21 20:49:39,168 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-07-21 20:49:39,168 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-07-21 20:49:39,168 INFO L271 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: true [2020-07-21 20:49:39,168 INFO L271 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: true [2020-07-21 20:49:39,169 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 20:49:39,169 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-21 20:49:39,169 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-21 20:49:39,169 INFO L271 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: true [2020-07-21 20:49:39,170 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-07-21 20:49:39,170 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-21 20:49:39,170 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-07-21 20:49:39,170 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-07-21 20:49:39,171 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-07-21 20:49:39,171 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-07-21 20:49:39,171 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-07-21 20:49:39,171 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-21 20:49:39,171 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-21 20:49:39,171 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-21 20:49:39,171 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-07-21 20:49:39,172 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-07-21 20:49:39,172 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-07-21 20:49:39,172 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-07-21 20:49:39,172 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-07-21 20:49:39,172 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-21 20:49:39,172 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-21 20:49:39,173 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-21 20:49:39,174 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-07-21 20:49:39,174 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-21 20:49:39,174 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-07-21 20:49:39,174 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-07-21 20:49:39,174 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-07-21 20:49:39,174 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-07-21 20:49:39,175 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-07-21 20:49:39,175 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-07-21 20:49:39,175 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-21 20:49:39,175 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-21 20:49:39,175 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-07-21 20:49:39,175 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-21 20:49:39,175 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-07-21 20:49:39,176 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-07-21 20:49:39,176 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: true [2020-07-21 20:49:39,176 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-07-21 20:49:39,176 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-07-21 20:49:39,176 INFO L271 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: true [2020-07-21 20:49:39,176 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-07-21 20:49:39,177 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-07-21 20:49:39,178 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-07-21 20:49:39,178 INFO L271 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: true [2020-07-21 20:49:39,178 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-07-21 20:49:39,178 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-07-21 20:49:39,178 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-07-21 20:49:39,178 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-07-21 20:49:39,179 INFO L264 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: (= 6144 Id_MCDC_97_~Id_MCDC_123~0) [2020-07-21 20:49:39,179 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-07-21 20:49:39,179 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-07-21 20:49:39,179 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-07-21 20:49:39,179 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-07-21 20:49:39,179 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-21 20:49:39,180 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-07-21 20:49:39,180 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-21 20:49:39,180 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-07-21 20:49:39,180 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-07-21 20:49:39,180 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-07-21 20:49:39,180 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-21 20:49:39,181 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-07-21 20:49:39,181 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-21 20:49:39,181 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-07-21 20:49:39,181 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-07-21 20:49:39,181 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-07-21 20:49:39,182 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (and (or (= 2 (mod |Id_MCDC_95_#in~Id_MCDC_93| 4294967296)) (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296)))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296)) (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296)))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3)))) [2020-07-21 20:49:39,182 INFO L264 CegarLoopResult]: At program point L296-2(line 296) the Hoare annotation is: (and (or (and |Id_MCDC_95_#t~short23| (not (= (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296) 2))) (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296))) (or (and |Id_MCDC_95_#t~short23| (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296)))) (= 2 (mod |Id_MCDC_95_#in~Id_MCDC_93| 4294967296))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3)))) [2020-07-21 20:49:39,182 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-21 20:49:39,182 INFO L268 CegarLoopResult]: For program point L296-3(line 296) no Hoare annotation was computed. [2020-07-21 20:49:39,182 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (and (not (= (mod Id_MCDC_95_~Id_MCDC_93 4294967296) 2)) (or (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296)) (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296)))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3)))) [2020-07-21 20:49:39,182 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-21 20:49:39,183 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-07-21 20:49:39,183 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-07-21 20:49:39,183 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-07-21 20:49:39,183 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (and (or (= 2 (mod |Id_MCDC_95_#in~Id_MCDC_93| 4294967296)) (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296)))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296))) (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3)))) [2020-07-21 20:49:39,183 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-21 20:49:39,183 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-07-21 20:49:39,184 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-07-21 20:49:39,185 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-07-21 20:49:39,185 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-07-21 20:49:39,185 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-07-21 20:49:39,185 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-07-21 20:49:39,185 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-07-21 20:49:39,185 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-07-21 20:49:39,186 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-07-21 20:49:39,186 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-07-21 20:49:39,186 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-07-21 20:49:39,186 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-07-21 20:49:39,186 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-07-21 20:49:39,186 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-21 20:49:39,186 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-21 20:49:39,187 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-07-21 20:49:39,187 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-07-21 20:49:39,187 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-07-21 20:49:39,187 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:49:39,187 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:49:39,187 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:49:39,187 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:49:39,188 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 20:49:39,188 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:49:39,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:49:39,188 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-21 20:49:39,188 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-21 20:49:39,188 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-21 20:49:39,188 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-21 20:49:39,189 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-07-21 20:49:39,189 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 20:49:39,189 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-07-21 20:49:39,189 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-21 20:49:39,189 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-07-21 20:49:39,189 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-21 20:49:39,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:49:39 BoogieIcfgContainer [2020-07-21 20:49:39,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:49:39,218 INFO L168 Benchmark]: Toolchain (without parser) took 9159.92 ms. Allocated memory was 142.1 MB in the beginning and 284.7 MB in the end (delta: 142.6 MB). Free memory was 102.4 MB in the beginning and 198.2 MB in the end (delta: -95.8 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:39,220 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 20:49:39,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.21 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 102.0 MB in the beginning and 173.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:39,223 INFO L168 Benchmark]: Boogie Preprocessor took 96.54 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:39,229 INFO L168 Benchmark]: RCFGBuilder took 3214.59 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 106.4 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:39,230 INFO L168 Benchmark]: TraceAbstraction took 5151.41 ms. Allocated memory was 203.4 MB in the beginning and 284.7 MB in the end (delta: 81.3 MB). Free memory was 105.7 MB in the beginning and 198.2 MB in the end (delta: -92.5 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:39,241 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 142.1 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.21 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 102.0 MB in the beginning and 173.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.54 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3214.59 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 106.4 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5151.41 ms. Allocated memory was 203.4 MB in the beginning and 284.7 MB in the end (delta: 81.3 MB). Free memory was 105.7 MB in the beginning and 198.2 MB in the end (delta: -92.5 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 6144 == Id_MCDC_123 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1071 SDtfs, 180 SDslu, 2719 SDs, 0 SdLazy, 223 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 69 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 179 PreInvPairs, 213 NumberOfFragments, 210 HoareAnnotationTreeSize, 179 FomulaSimplifications, 81 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 303 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 21941 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2430 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 19/25 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...