/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.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 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 04:03:01,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 04:03:01,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 04:03:01,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 04:03:01,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 04:03:01,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 04:03:01,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 04:03:01,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 04:03:01,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 04:03:01,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 04:03:01,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 04:03:01,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 04:03:01,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 04:03:01,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 04:03:01,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 04:03:01,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 04:03:01,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 04:03:01,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 04:03:01,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 04:03:01,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 04:03:01,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 04:03:01,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 04:03:01,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 04:03:01,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 04:03:01,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 04:03:01,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 04:03:01,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 04:03:01,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 04:03:01,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 04:03:01,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-20 04:03:01,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 04:03:01,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 04:03:01,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 04:03:01,998 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 [2020-07-20 04:03:02,013 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 04:03:02,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 04:03:02,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 04:03:02,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 04:03:02,016 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 04:03:02,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 04:03:02,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 04:03:02,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 04:03:02,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 04:03:02,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 04:03:02,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 04:03:02,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 04:03:02,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 04:03:02,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 04:03:02,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 04:03:02,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 04:03:02,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 04:03:02,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 04:03:02,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 04:03:02,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 04:03:02,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 04:03:02,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 04:03:02,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 04:03:02,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 04:03:02,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 04:03:02,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 04:03:02,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 04:03:02,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 04:03:02,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 04:03:02,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 04:03:02,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 04:03:02,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 04:03:02,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 04:03:02,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 04:03:02,362 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 04:03:02,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2020-07-20 04:03:02,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1463fbb7a/e3287f1392c74c668495083e383689f8/FLAGf6ac6b14b [2020-07-20 04:03:02,966 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 04:03:02,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2020-07-20 04:03:02,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1463fbb7a/e3287f1392c74c668495083e383689f8/FLAGf6ac6b14b [2020-07-20 04:03:03,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1463fbb7a/e3287f1392c74c668495083e383689f8 [2020-07-20 04:03:03,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 04:03:03,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 04:03:03,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 04:03:03,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 04:03:03,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 04:03:03,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a043a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03, skipping insertion in model container [2020-07-20 04:03:03,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 04:03:03,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 04:03:03,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 04:03:03,741 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 04:03:03,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 04:03:03,837 INFO L208 MainTranslator]: Completed translation [2020-07-20 04:03:03,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03 WrapperNode [2020-07-20 04:03:03,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 04:03:03,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 04:03:03,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 04:03:03,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 04:03:03,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (1/1) ... [2020-07-20 04:03:03,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 04:03:03,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 04:03:03,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 04:03:03,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 04:03:03,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (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 [2020-07-20 04:03:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 04:03:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 04:03:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 04:03:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-20 04:03:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2020-07-20 04:03:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2020-07-20 04:03:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2020-07-20 04:03:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2020-07-20 04:03:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2020-07-20 04:03:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2020-07-20 04:03:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2020-07-20 04:03:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 04:03:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 04:03:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 04:03:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 04:03:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 04:03:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-20 04:03:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-20 04:03:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2020-07-20 04:03:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2020-07-20 04:03:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2020-07-20 04:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2020-07-20 04:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2020-07-20 04:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 04:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2020-07-20 04:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2020-07-20 04:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 04:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 04:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 04:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 04:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 04:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 04:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-20 04:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 04:03:05,150 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 04:03:05,151 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-20 04:03:05,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:03:05 BoogieIcfgContainer [2020-07-20 04:03:05,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 04:03:05,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 04:03:05,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 04:03:05,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 04:03:05,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:03:03" (1/3) ... [2020-07-20 04:03:05,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abc29ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:03:05, skipping insertion in model container [2020-07-20 04:03:05,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:03:03" (2/3) ... [2020-07-20 04:03:05,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abc29ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:03:05, skipping insertion in model container [2020-07-20 04:03:05,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:03:05" (3/3) ... [2020-07-20 04:03:05,165 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2020-07-20 04:03:05,176 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 04:03:05,184 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 04:03:05,195 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 04:03:05,217 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 04:03:05,218 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 04:03:05,218 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 04:03:05,218 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 04:03:05,218 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 04:03:05,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 04:03:05,219 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 04:03:05,219 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 04:03:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2020-07-20 04:03:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-20 04:03:05,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:05,255 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] [2020-07-20 04:03:05,256 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:05,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1921771477, now seen corresponding path program 1 times [2020-07-20 04:03:05,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:05,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80021652] [2020-07-20 04:03:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:05,782 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-20 04:03:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 04:03:05,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80021652] [2020-07-20 04:03:05,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 04:03:05,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 04:03:05,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054960732] [2020-07-20 04:03:05,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 04:03:05,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:05,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 04:03:05,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 04:03:05,903 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 5 states. [2020-07-20 04:03:06,072 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-20 04:03:07,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:07,059 INFO L93 Difference]: Finished difference Result 262 states and 403 transitions. [2020-07-20 04:03:07,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 04:03:07,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-07-20 04:03:07,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:07,075 INFO L225 Difference]: With dead ends: 262 [2020-07-20 04:03:07,075 INFO L226 Difference]: Without dead ends: 139 [2020-07-20 04:03:07,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 04:03:07,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-20 04:03:07,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2020-07-20 04:03:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 04:03:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2020-07-20 04:03:07,147 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 38 [2020-07-20 04:03:07,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:07,147 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2020-07-20 04:03:07,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 04:03:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2020-07-20 04:03:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 04:03:07,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:07,151 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] [2020-07-20 04:03:07,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 04:03:07,152 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:07,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:07,152 INFO L82 PathProgramCache]: Analyzing trace with hash -503826635, now seen corresponding path program 1 times [2020-07-20 04:03:07,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:07,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679051209] [2020-07-20 04:03:07,153 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 04:03:07,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679051209] [2020-07-20 04:03:07,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131739414] [2020-07-20 04:03:07,519 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@627bdb9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:07,718 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@627bdb9 issued 2 check-sat command(s) [2020-07-20 04:03:07,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:07,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 04:03:07,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 04:03:07,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 04:03:07,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 04:03:07,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430330518] [2020-07-20 04:03:07,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 04:03:07,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:07,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 04:03:07,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 04:03:07,771 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 3 states. [2020-07-20 04:03:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:07,801 INFO L93 Difference]: Finished difference Result 168 states and 228 transitions. [2020-07-20 04:03:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 04:03:07,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-20 04:03:07,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:07,805 INFO L225 Difference]: With dead ends: 168 [2020-07-20 04:03:07,805 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 04:03:07,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 04:03:07,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 04:03:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 119. [2020-07-20 04:03:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 04:03:07,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 164 transitions. [2020-07-20 04:03:07,832 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 164 transitions. Word has length 40 [2020-07-20 04:03:07,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:07,832 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 164 transitions. [2020-07-20 04:03:07,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 04:03:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2020-07-20 04:03:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-20 04:03:07,835 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:07,835 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] [2020-07-20 04:03:08,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 04:03:08,049 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:08,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:08,050 INFO L82 PathProgramCache]: Analyzing trace with hash -458813973, now seen corresponding path program 1 times [2020-07-20 04:03:08,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:08,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327655897] [2020-07-20 04:03:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:08,231 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-20 04:03:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 04:03:08,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327655897] [2020-07-20 04:03:08,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554350845] [2020-07-20 04:03:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a82a027 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:08,519 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a82a027 issued 2 check-sat command(s) [2020-07-20 04:03:08,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:08,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 04:03:08,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 04:03:08,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 04:03:08,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 04:03:08,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243144081] [2020-07-20 04:03:08,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 04:03:08,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:08,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 04:03:08,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 04:03:08,543 INFO L87 Difference]: Start difference. First operand 119 states and 164 transitions. Second operand 3 states. [2020-07-20 04:03:08,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:08,576 INFO L93 Difference]: Finished difference Result 178 states and 244 transitions. [2020-07-20 04:03:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 04:03:08,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-20 04:03:08,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:08,579 INFO L225 Difference]: With dead ends: 178 [2020-07-20 04:03:08,580 INFO L226 Difference]: Without dead ends: 137 [2020-07-20 04:03:08,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 04:03:08,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-20 04:03:08,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 120. [2020-07-20 04:03:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 04:03:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 165 transitions. [2020-07-20 04:03:08,602 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 165 transitions. Word has length 41 [2020-07-20 04:03:08,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:08,603 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 165 transitions. [2020-07-20 04:03:08,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 04:03:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2020-07-20 04:03:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 04:03:08,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:08,606 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] [2020-07-20 04:03:08,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:08,819 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:08,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:08,820 INFO L82 PathProgramCache]: Analyzing trace with hash 265335926, now seen corresponding path program 1 times [2020-07-20 04:03:08,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:08,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076936436] [2020-07-20 04:03:08,821 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 04:03:09,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076936436] [2020-07-20 04:03:09,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878806562] [2020-07-20 04:03:09,053 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741ebbf0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:09,204 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@741ebbf0 issued 2 check-sat command(s) [2020-07-20 04:03:09,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:09,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 04:03:09,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 04:03:09,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 04:03:09,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2020-07-20 04:03:09,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560277835] [2020-07-20 04:03:09,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 04:03:09,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:09,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 04:03:09,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 04:03:09,244 INFO L87 Difference]: Start difference. First operand 120 states and 165 transitions. Second operand 4 states. [2020-07-20 04:03:09,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:09,293 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2020-07-20 04:03:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 04:03:09,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2020-07-20 04:03:09,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:09,296 INFO L225 Difference]: With dead ends: 159 [2020-07-20 04:03:09,296 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 04:03:09,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-20 04:03:09,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 04:03:09,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 04:03:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 04:03:09,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions. [2020-07-20 04:03:09,315 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 46 [2020-07-20 04:03:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:09,316 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions. [2020-07-20 04:03:09,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 04:03:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions. [2020-07-20 04:03:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-20 04:03:09,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:09,318 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] [2020-07-20 04:03:09,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:09,532 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:09,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:09,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1221042634, now seen corresponding path program 1 times [2020-07-20 04:03:09,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:09,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856062537] [2020-07-20 04:03:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 04:03:09,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856062537] [2020-07-20 04:03:09,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815102665] [2020-07-20 04:03:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57116dc3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:09,974 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57116dc3 issued 2 check-sat command(s) [2020-07-20 04:03:09,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:09,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 04:03:09,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 04:03:10,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 04:03:10,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-07-20 04:03:10,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122824328] [2020-07-20 04:03:10,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 04:03:10,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:10,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 04:03:10,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-20 04:03:10,060 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand 10 states. [2020-07-20 04:03:10,187 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-20 04:03:10,571 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-20 04:03:10,733 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-20 04:03:10,932 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-20 04:03:11,084 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-20 04:03:11,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:11,956 INFO L93 Difference]: Finished difference Result 291 states and 412 transitions. [2020-07-20 04:03:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 04:03:11,957 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2020-07-20 04:03:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:11,959 INFO L225 Difference]: With dead ends: 291 [2020-07-20 04:03:11,960 INFO L226 Difference]: Without dead ends: 180 [2020-07-20 04:03:11,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-07-20 04:03:11,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-20 04:03:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 141. [2020-07-20 04:03:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-20 04:03:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 189 transitions. [2020-07-20 04:03:11,997 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 189 transitions. Word has length 50 [2020-07-20 04:03:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:11,998 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 189 transitions. [2020-07-20 04:03:11,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 04:03:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 189 transitions. [2020-07-20 04:03:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 04:03:11,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:11,999 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-07-20 04:03:12,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:12,212 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:12,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:12,213 INFO L82 PathProgramCache]: Analyzing trace with hash 129769313, now seen corresponding path program 1 times [2020-07-20 04:03:12,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:12,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182355849] [2020-07-20 04:03:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 04:03:12,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182355849] [2020-07-20 04:03:12,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754462227] [2020-07-20 04:03:12,451 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fe2558f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:12,606 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fe2558f issued 2 check-sat command(s) [2020-07-20 04:03:12,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:12,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 04:03:12,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 04:03:12,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 04:03:12,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2020-07-20 04:03:12,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100790252] [2020-07-20 04:03:12,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 04:03:12,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:12,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 04:03:12,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-07-20 04:03:12,711 INFO L87 Difference]: Start difference. First operand 141 states and 189 transitions. Second operand 13 states. [2020-07-20 04:03:12,836 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-20 04:03:13,401 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-20 04:03:13,696 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2020-07-20 04:03:13,950 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-20 04:03:14,237 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2020-07-20 04:03:14,472 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-20 04:03:14,644 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-07-20 04:03:17,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:17,729 INFO L93 Difference]: Finished difference Result 326 states and 460 transitions. [2020-07-20 04:03:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 04:03:17,730 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 58 [2020-07-20 04:03:17,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:17,732 INFO L225 Difference]: With dead ends: 326 [2020-07-20 04:03:17,732 INFO L226 Difference]: Without dead ends: 203 [2020-07-20 04:03:17,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-07-20 04:03:17,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-20 04:03:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 145. [2020-07-20 04:03:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-07-20 04:03:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions. [2020-07-20 04:03:17,752 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 193 transitions. Word has length 58 [2020-07-20 04:03:17,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:17,753 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 193 transitions. [2020-07-20 04:03:17,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 04:03:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2020-07-20 04:03:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 04:03:17,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:17,754 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-20 04:03:17,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-20 04:03:17,968 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:17,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:17,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1905140274, now seen corresponding path program 2 times [2020-07-20 04:03:17,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:17,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442472894] [2020-07-20 04:03:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 04:03:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 04:03:18,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442472894] [2020-07-20 04:03:18,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004899858] [2020-07-20 04:03:18,223 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e4eaa62 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:18,709 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e4eaa62 issued 3 check-sat command(s) [2020-07-20 04:03:18,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:18,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 04:03:18,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 04:03:18,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 04:03:18,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2020-07-20 04:03:18,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8696967] [2020-07-20 04:03:18,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 04:03:18,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:18,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 04:03:18,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 04:03:18,773 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. Second operand 9 states. [2020-07-20 04:03:20,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:20,436 INFO L93 Difference]: Finished difference Result 349 states and 493 transitions. [2020-07-20 04:03:20,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 04:03:20,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-07-20 04:03:20,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:20,443 INFO L225 Difference]: With dead ends: 349 [2020-07-20 04:03:20,444 INFO L226 Difference]: Without dead ends: 224 [2020-07-20 04:03:20,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 04:03:20,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-20 04:03:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 147. [2020-07-20 04:03:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-20 04:03:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2020-07-20 04:03:20,495 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 195 transitions. Word has length 58 [2020-07-20 04:03:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:20,496 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 195 transitions. [2020-07-20 04:03:20,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 04:03:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 195 transitions. [2020-07-20 04:03:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 04:03:20,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:03:20,499 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-07-20 04:03:20,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:20,709 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:03:20,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:03:20,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1836507152, now seen corresponding path program 3 times [2020-07-20 04:03:20,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:03:20,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780408433] [2020-07-20 04:03:20,711 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70c5a50b [2020-07-20 04:03:20,774 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-20 04:03:20,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637723204] [2020-07-20 04:03:20,775 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@65af1377 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:21,718 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@65af1377 issued 4 check-sat command(s) [2020-07-20 04:03:21,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 04:03:21,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 04:03:21,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 04:03:21,736 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,738 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,739 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,740 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,741 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,742 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,746 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,747 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,748 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,751 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,753 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,757 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,758 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,761 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,762 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,764 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,765 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,768 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,769 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,774 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,775 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,776 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,777 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,779 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,784 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,784 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,787 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,788 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,798 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,798 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,799 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,800 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,806 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,808 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,809 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,812 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,814 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,815 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,816 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,817 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,817 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,818 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,820 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,821 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,822 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,824 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,824 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,826 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,827 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,828 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,829 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,829 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,831 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,832 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,834 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,835 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,836 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,837 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,838 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,839 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,839 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,840 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,841 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,843 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 04:03:21,844 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,845 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,847 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,848 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,848 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,850 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,850 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,851 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,852 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,854 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 04:03:21,857 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,859 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,860 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,860 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,861 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,861 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,863 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,863 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,864 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,866 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,866 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,868 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,869 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,870 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,870 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,871 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,873 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,874 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,875 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,876 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,877 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,877 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,878 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,882 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,883 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,884 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,885 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,886 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,887 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,888 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,889 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,889 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,890 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,891 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,893 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,894 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,895 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,896 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,897 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,897 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,898 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,899 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,900 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,901 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,902 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,903 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,904 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,905 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,906 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,906 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,908 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,909 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,910 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,911 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,913 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,913 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,914 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,915 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,916 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,917 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,918 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,919 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,920 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,921 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,922 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,923 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,923 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,924 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,925 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,927 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,928 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,929 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,930 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,930 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,931 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,932 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,933 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,934 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,934 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,935 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,936 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,937 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,937 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,938 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,939 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,940 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,941 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,942 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,943 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,944 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,945 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,945 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,946 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,947 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,948 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,949 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,950 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,951 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,951 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,952 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,953 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,954 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,955 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,956 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,957 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,959 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,960 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,960 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,961 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,961 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,962 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,963 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,964 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,965 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,966 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,968 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,968 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,969 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,969 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,970 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,971 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,972 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,973 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,975 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,976 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,976 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,977 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,978 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,979 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,980 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,981 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,982 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,983 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,983 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,984 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,985 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,985 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,986 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,987 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,988 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,990 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,991 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 04:03:21,991 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:21,992 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,992 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,993 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,994 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,995 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,995 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,997 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,998 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:21,999 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:21,999 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,000 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:22,001 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:22,002 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,003 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,004 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,005 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,006 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 04:03:22,007 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:22,007 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,008 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,009 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,009 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 04:03:22,010 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,011 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,012 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:22,013 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:22,014 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,015 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,016 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,016 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,017 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 04:03:22,018 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 04:03:22,019 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 04:03:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-20 04:03:22,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780408433] [2020-07-20 04:03:22,205 WARN L333 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-07-20 04:03:22,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637723204] [2020-07-20 04:03:22,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 04:03:22,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 04:03:22,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245513355] [2020-07-20 04:03:22,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 04:03:22,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 04:03:22,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 04:03:22,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 04:03:22,206 INFO L87 Difference]: Start difference. First operand 147 states and 195 transitions. Second operand 4 states. [2020-07-20 04:03:22,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 04:03:22,233 INFO L93 Difference]: Finished difference Result 147 states and 195 transitions. [2020-07-20 04:03:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 04:03:22,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-07-20 04:03:22,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 04:03:22,234 INFO L225 Difference]: With dead ends: 147 [2020-07-20 04:03:22,234 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 04:03:22,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 04:03:22,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 04:03:22,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 04:03:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 04:03:22,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 04:03:22,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-07-20 04:03:22,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 04:03:22,236 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 04:03:22,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 04:03:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 04:03:22,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 04:03:22,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 04:03:22,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 04:03:23,216 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 3 [2020-07-20 04:03:23,813 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 3 [2020-07-20 04:03:24,105 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-07-20 04:03:24,348 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 3 [2020-07-20 04:03:24,352 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (= |Id_MCDC_113_#in~Id_MCDC_111| Id_MCDC_113_~Id_MCDC_111) [2020-07-20 04:03:24,352 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (= |Id_MCDC_113_#in~Id_MCDC_111| Id_MCDC_113_~Id_MCDC_111) [2020-07-20 04:03:24,352 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-20 04:03:24,352 INFO L268 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-07-20 04:03:24,353 INFO L268 CegarLoopResult]: For program point Id_MCDC_113EXIT(lines 303 322) no Hoare annotation was computed. [2020-07-20 04:03:24,353 INFO L271 CegarLoopResult]: At program point Id_MCDC_113ENTRY(lines 303 322) the Hoare annotation is: true [2020-07-20 04:03:24,353 INFO L268 CegarLoopResult]: For program point Id_MCDC_113FINAL(lines 303 322) no Hoare annotation was computed. [2020-07-20 04:03:24,353 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (= |Id_MCDC_113_#in~Id_MCDC_111| Id_MCDC_113_~Id_MCDC_111) [2020-07-20 04:03:24,353 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-07-20 04:03:24,353 INFO L268 CegarLoopResult]: For program point L311(lines 311 318) no Hoare annotation was computed. [2020-07-20 04:03:24,353 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 318) no Hoare annotation was computed. [2020-07-20 04:03:24,354 INFO L268 CegarLoopResult]: For program point L307(lines 307 310) no Hoare annotation was computed. [2020-07-20 04:03:24,354 INFO L264 CegarLoopResult]: At program point Id_MCDC_115ENTRY(lines 354 422) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 04:03:24,354 INFO L271 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-07-20 04:03:24,354 INFO L268 CegarLoopResult]: For program point Id_MCDC_115FINAL(lines 354 422) no Hoare annotation was computed. [2020-07-20 04:03:24,354 INFO L268 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-07-20 04:03:24,354 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2020-07-20 04:03:24,354 INFO L271 CegarLoopResult]: At program point L399-3(lines 399 416) the Hoare annotation is: true [2020-07-20 04:03:24,355 INFO L268 CegarLoopResult]: For program point L399-4(lines 399 416) no Hoare annotation was computed. [2020-07-20 04:03:24,355 INFO L268 CegarLoopResult]: For program point L412(lines 412 415) no Hoare annotation was computed. [2020-07-20 04:03:24,355 INFO L268 CegarLoopResult]: For program point L379(lines 379 420) no Hoare annotation was computed. [2020-07-20 04:03:24,355 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 378) no Hoare annotation was computed. [2020-07-20 04:03:24,355 INFO L264 CegarLoopResult]: At program point L375-3(lines 375 378) the Hoare annotation is: (= 6144 Id_MCDC_115_~Id_MCDC_141~0) [2020-07-20 04:03:24,355 INFO L268 CegarLoopResult]: For program point L375-4(lines 355 422) no Hoare annotation was computed. [2020-07-20 04:03:24,356 INFO L271 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-07-20 04:03:24,356 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 391) no Hoare annotation was computed. [2020-07-20 04:03:24,356 INFO L271 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: true [2020-07-20 04:03:24,356 INFO L268 CegarLoopResult]: For program point L384-1(lines 384 387) no Hoare annotation was computed. [2020-07-20 04:03:24,356 INFO L271 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: true [2020-07-20 04:03:24,356 INFO L268 CegarLoopResult]: For program point L401-1(lines 401 404) no Hoare annotation was computed. [2020-07-20 04:03:24,356 INFO L268 CegarLoopResult]: For program point Id_MCDC_115EXIT(lines 354 422) no Hoare annotation was computed. [2020-07-20 04:03:24,356 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 419) no Hoare annotation was computed. [2020-07-20 04:03:24,357 INFO L271 CegarLoopResult]: At program point L381-3(lines 381 419) the Hoare annotation is: true [2020-07-20 04:03:24,357 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-20 04:03:24,357 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 397) no Hoare annotation was computed. [2020-07-20 04:03:24,357 INFO L268 CegarLoopResult]: For program point Id_MCDC_114EXIT(lines 323 353) no Hoare annotation was computed. [2020-07-20 04:03:24,358 INFO L268 CegarLoopResult]: For program point L341(lines 341 346) no Hoare annotation was computed. [2020-07-20 04:03:24,358 INFO L268 CegarLoopResult]: For program point L341-1(lines 339 351) no Hoare annotation was computed. [2020-07-20 04:03:24,358 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-07-20 04:03:24,358 INFO L268 CegarLoopResult]: For program point L339-2(line 339) no Hoare annotation was computed. [2020-07-20 04:03:24,358 INFO L268 CegarLoopResult]: For program point L339-3(line 339) no Hoare annotation was computed. [2020-07-20 04:03:24,358 INFO L268 CegarLoopResult]: For program point L339-5(lines 339 351) no Hoare annotation was computed. [2020-07-20 04:03:24,359 INFO L268 CegarLoopResult]: For program point L331-1(lines 331 338) no Hoare annotation was computed. [2020-07-20 04:03:24,359 INFO L271 CegarLoopResult]: At program point L331-3(lines 331 338) the Hoare annotation is: true [2020-07-20 04:03:24,359 INFO L268 CegarLoopResult]: For program point L327(lines 327 330) no Hoare annotation was computed. [2020-07-20 04:03:24,359 INFO L268 CegarLoopResult]: For program point L331-4(lines 331 338) no Hoare annotation was computed. [2020-07-20 04:03:24,359 INFO L271 CegarLoopResult]: At program point Id_MCDC_114ENTRY(lines 323 353) the Hoare annotation is: true [2020-07-20 04:03:24,359 INFO L268 CegarLoopResult]: For program point Id_MCDC_114FINAL(lines 323 353) no Hoare annotation was computed. [2020-07-20 04:03:24,360 INFO L268 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-07-20 04:03:24,360 INFO L268 CegarLoopResult]: For program point Id_MCDC_110FINAL(lines 272 302) no Hoare annotation was computed. [2020-07-20 04:03:24,360 INFO L268 CegarLoopResult]: For program point Id_MCDC_110EXIT(lines 272 302) no Hoare annotation was computed. [2020-07-20 04:03:24,360 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-07-20 04:03:24,360 INFO L271 CegarLoopResult]: At program point Id_MCDC_110ENTRY(lines 272 302) the Hoare annotation is: true [2020-07-20 04:03:24,360 INFO L268 CegarLoopResult]: For program point L278(lines 278 292) no Hoare annotation was computed. [2020-07-20 04:03:24,360 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-07-20 04:03:24,361 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-07-20 04:03:24,361 INFO L271 CegarLoopResult]: At program point L295-1(line 295) the Hoare annotation is: true [2020-07-20 04:03:24,361 INFO L268 CegarLoopResult]: For program point L293-1(lines 273 302) no Hoare annotation was computed. [2020-07-20 04:03:24,361 INFO L268 CegarLoopResult]: For program point L293-2(lines 293 300) no Hoare annotation was computed. [2020-07-20 04:03:24,362 INFO L264 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (and (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 04:03:24,362 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 450 482) the Hoare annotation is: (and (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 450 482) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point L476(lines 476 479) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 450 482) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-20 04:03:24,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 04:03:24,365 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |old(#t~string16.base)| |#t~string16.base|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= |#t~string9.base| |old(#t~string9.base)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |#valid| |old(#valid)|) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset)) [2020-07-20 04:03:24,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 04:03:24,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 04:03:24,366 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 04:03:24,366 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 04:03:24,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 04:03:24,366 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-20 04:03:24,367 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-20 04:03:24,367 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-20 04:03:24,367 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-20 04:03:24,367 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 483 490) the Hoare annotation is: true [2020-07-20 04:03:24,367 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 483 490) no Hoare annotation was computed. [2020-07-20 04:03:24,367 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 04:03:24,367 INFO L268 CegarLoopResult]: For program point L485(lines 485 488) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point L485-2(lines 483 490) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L264 CegarLoopResult]: At program point Id_MCDC_117ENTRY(lines 423 442) the Hoare annotation is: (and (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point Id_MCDC_117FINAL(lines 423 442) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L271 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: true [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 04:03:24,368 INFO L268 CegarLoopResult]: For program point L431-2(lines 431 438) no Hoare annotation was computed. [2020-07-20 04:03:24,369 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 439) no Hoare annotation was computed. [2020-07-20 04:03:24,369 INFO L271 CegarLoopResult]: At program point L429-3(lines 429 439) the Hoare annotation is: true [2020-07-20 04:03:24,369 INFO L271 CegarLoopResult]: At program point L429-4(lines 429 439) the Hoare annotation is: true [2020-07-20 04:03:24,369 INFO L268 CegarLoopResult]: For program point Id_MCDC_117EXIT(lines 423 442) no Hoare annotation was computed. [2020-07-20 04:03:24,369 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (and (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 04:03:24,369 INFO L264 CegarLoopResult]: At program point Id_MCDC_118ENTRY(lines 443 449) the Hoare annotation is: (and (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 04:03:24,369 INFO L268 CegarLoopResult]: For program point Id_MCDC_118FINAL(lines 443 449) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point Id_MCDC_118EXIT(lines 443 449) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point L225-2(lines 225 231) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L271 CegarLoopResult]: At program point Id_MCDC_107ENTRY(lines 216 271) the Hoare annotation is: true [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point L221(lines 221 224) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point Id_MCDC_107FINAL(lines 216 271) no Hoare annotation was computed. [2020-07-20 04:03:24,370 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L234-2(line 234) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L259-1(lines 257 269) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L243-2(line 243) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L252(lines 252 255) no Hoare annotation was computed. [2020-07-20 04:03:24,371 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L240-2(line 240) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L271 CegarLoopResult]: At program point L232(lines 232 248) the Hoare annotation is: true [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L257-2(line 257) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L257-3(line 257) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L257-5(lines 257 269) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L268 CegarLoopResult]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2020-07-20 04:03:24,372 INFO L271 CegarLoopResult]: At program point L249-3(lines 249 256) the Hoare annotation is: true [2020-07-20 04:03:24,373 INFO L268 CegarLoopResult]: For program point L249-4(lines 249 256) no Hoare annotation was computed. [2020-07-20 04:03:24,373 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-20 04:03:24,373 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-20 04:03:24,373 INFO L268 CegarLoopResult]: For program point L237-2(line 237) no Hoare annotation was computed. [2020-07-20 04:03:24,373 INFO L268 CegarLoopResult]: For program point Id_MCDC_107EXIT(lines 216 271) no Hoare annotation was computed. [2020-07-20 04:03:24,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:03:24 BoogieIcfgContainer [2020-07-20 04:03:24,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 04:03:24,410 INFO L168 Benchmark]: Toolchain (without parser) took 21140.73 ms. Allocated memory was 142.1 MB in the beginning and 444.6 MB in the end (delta: 302.5 MB). Free memory was 102.1 MB in the beginning and 277.5 MB in the end (delta: -175.4 MB). Peak memory consumption was 325.1 MB. Max. memory is 7.1 GB. [2020-07-20 04:03:24,413 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 04:03:24,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.04 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 101.9 MB in the beginning and 172.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-07-20 04:03:24,415 INFO L168 Benchmark]: Boogie Preprocessor took 89.33 ms. Allocated memory is still 201.9 MB. Free memory was 172.5 MB in the beginning and 168.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 04:03:24,420 INFO L168 Benchmark]: RCFGBuilder took 1228.41 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 105.3 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2020-07-20 04:03:24,421 INFO L168 Benchmark]: TraceAbstraction took 19245.43 ms. Allocated memory was 201.9 MB in the beginning and 444.6 MB in the end (delta: 242.7 MB). Free memory was 104.6 MB in the beginning and 277.5 MB in the end (delta: -173.0 MB). Peak memory consumption was 267.7 MB. Max. memory is 7.1 GB. [2020-07-20 04:03:24,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 571.04 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 101.9 MB in the beginning and 172.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.33 ms. Allocated memory is still 201.9 MB. Free memory was 172.5 MB in the beginning and 168.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1228.41 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 105.3 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19245.43 ms. Allocated memory was 201.9 MB in the beginning and 444.6 MB in the end (delta: 242.7 MB). Free memory was 104.6 MB in the beginning and 277.5 MB in the end (delta: -173.0 MB). Peak memory consumption was 267.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: 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: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 6144 == Id_MCDC_141 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1378 SDtfs, 1131 SDslu, 2842 SDs, 0 SdLazy, 3351 SolverSat, 280 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=7, 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, 8 MinimizatonAttempts, 219 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 247 PreInvPairs, 284 NumberOfFragments, 255 HoareAnnotationTreeSize, 247 FomulaSimplifications, 552 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 34 FomulaSimplificationsInter, 3515 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 684 NumberOfCodeBlocks, 558 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 670 ConstructedInterpolants, 0 QuantifiedInterpolants, 83940 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3112 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 61/102 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...