./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f493a0ec5685991b86ced08697f863f174636a1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:22:39,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:22:39,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:22:39,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:22:39,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:22:39,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:22:39,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:22:39,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:22:39,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:22:39,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:22:39,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:22:39,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:22:39,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:22:39,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:22:39,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:22:39,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:22:39,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:22:39,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:22:39,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:22:39,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:22:39,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:22:39,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:22:39,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:22:39,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:22:39,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:22:39,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:22:39,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:22:39,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:22:39,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:22:39,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:22:39,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:22:39,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:22:39,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:22:39,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:22:39,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:22:39,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:22:39,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:22:39,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:22:39,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:22:39,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:22:39,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:22:39,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-20 06:22:39,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:22:39,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:22:39,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:22:39,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:22:39,304 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:22:39,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:22:39,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:22:39,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:22:39,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:22:39,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:22:39,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:22:39,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:22:39,305 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:22:39,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:22:39,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:22:39,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:22:39,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:22:39,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:22:39,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:22:39,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:22:39,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:22:39,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:22:39,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:22:39,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:22:39,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:22:39,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:22:39,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:22:39,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:22:39,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2020-10-20 06:22:39,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:22:39,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:22:39,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:22:39,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:22:39,516 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:22:39,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-10-20 06:22:39,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2e43205/27bf65ad733c40cbb131856ab0d1b261/FLAG5656f6d9c [2020-10-20 06:22:40,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:22:40,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-10-20 06:22:40,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2e43205/27bf65ad733c40cbb131856ab0d1b261/FLAG5656f6d9c [2020-10-20 06:22:40,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2e43205/27bf65ad733c40cbb131856ab0d1b261 [2020-10-20 06:22:40,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:22:40,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:22:40,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:22:40,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:22:40,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:22:40,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263cd171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40, skipping insertion in model container [2020-10-20 06:22:40,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:22:40,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:22:40,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:22:40,786 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:22:40,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:22:40,816 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:22:40,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40 WrapperNode [2020-10-20 06:22:40,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:22:40,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:22:40,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:22:40,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:22:40,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:22:40,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:22:40,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:22:40,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:22:40,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (1/1) ... [2020-10-20 06:22:40,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:22:40,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:22:40,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:22:40,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:22:40,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (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 [2020-10-20 06:22:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:22:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:22:41,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:22:41,290 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:22:41,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:41 BoogieIcfgContainer [2020-10-20 06:22:41,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:22:41,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:22:41,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:22:41,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:22:41,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:22:40" (1/3) ... [2020-10-20 06:22:41,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:22:41, skipping insertion in model container [2020-10-20 06:22:41,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:40" (2/3) ... [2020-10-20 06:22:41,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:22:41, skipping insertion in model container [2020-10-20 06:22:41,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:41" (3/3) ... [2020-10-20 06:22:41,302 INFO L111 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-1.c [2020-10-20 06:22:41,317 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:22:41,325 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-10-20 06:22:41,343 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-10-20 06:22:41,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:22:41,392 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:22:41,393 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:22:41,393 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:22:41,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:22:41,394 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:22:41,394 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:22:41,394 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:22:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-10-20 06:22:41,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:22:41,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:41,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:22:41,435 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash 957669, now seen corresponding path program 1 times [2020-10-20 06:22:41,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:41,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600296470] [2020-10-20 06:22:41,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:41,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600296470] [2020-10-20 06:22:41,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:41,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:22:41,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029765391] [2020-10-20 06:22:41,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:22:41,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:41,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:22:41,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:22:41,619 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 3 states. [2020-10-20 06:22:41,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:41,942 INFO L93 Difference]: Finished difference Result 181 states and 215 transitions. [2020-10-20 06:22:41,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:22:41,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-20 06:22:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:41,957 INFO L225 Difference]: With dead ends: 181 [2020-10-20 06:22:41,957 INFO L226 Difference]: Without dead ends: 92 [2020-10-20 06:22:41,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:22:41,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-20 06:22:42,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2020-10-20 06:22:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 06:22:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2020-10-20 06:22:42,013 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 4 [2020-10-20 06:22:42,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:42,014 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2020-10-20 06:22:42,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:22:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2020-10-20 06:22:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:22:42,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:42,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:22:42,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:22:42,018 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:42,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:42,019 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2020-10-20 06:22:42,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:42,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873628524] [2020-10-20 06:22:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:42,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873628524] [2020-10-20 06:22:42,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:42,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:22:42,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672622900] [2020-10-20 06:22:42,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:22:42,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:42,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:22:42,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:22:42,062 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand 3 states. [2020-10-20 06:22:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:42,262 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2020-10-20 06:22:42,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:22:42,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-20 06:22:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:42,264 INFO L225 Difference]: With dead ends: 113 [2020-10-20 06:22:42,264 INFO L226 Difference]: Without dead ends: 97 [2020-10-20 06:22:42,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:22:42,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-20 06:22:42,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 81. [2020-10-20 06:22:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-20 06:22:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2020-10-20 06:22:42,276 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 4 [2020-10-20 06:22:42,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:42,276 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2020-10-20 06:22:42,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:22:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2020-10-20 06:22:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 06:22:42,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:42,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 06:22:42,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:22:42,278 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:42,278 INFO L82 PathProgramCache]: Analyzing trace with hash 29747371, now seen corresponding path program 1 times [2020-10-20 06:22:42,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:42,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243786728] [2020-10-20 06:22:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:42,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243786728] [2020-10-20 06:22:42,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:42,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:22:42,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477519172] [2020-10-20 06:22:42,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:22:42,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:42,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:22:42,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:22:42,315 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 3 states. [2020-10-20 06:22:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:42,442 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2020-10-20 06:22:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:22:42,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 06:22:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:42,443 INFO L225 Difference]: With dead ends: 90 [2020-10-20 06:22:42,444 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 06:22:42,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:22:42,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 06:22:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2020-10-20 06:22:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-20 06:22:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2020-10-20 06:22:42,458 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 5 [2020-10-20 06:22:42,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:42,458 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2020-10-20 06:22:42,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:22:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2020-10-20 06:22:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:22:42,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:42,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:42,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 06:22:42,462 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:42,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:42,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1540529751, now seen corresponding path program 1 times [2020-10-20 06:22:42,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:42,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689613198] [2020-10-20 06:22:42,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:42,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689613198] [2020-10-20 06:22:42,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:42,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:22:42,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092729684] [2020-10-20 06:22:42,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:22:42,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:42,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:22:42,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:42,521 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 4 states. [2020-10-20 06:22:42,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:42,763 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2020-10-20 06:22:42,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:22:42,764 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-20 06:22:42,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:42,765 INFO L225 Difference]: With dead ends: 129 [2020-10-20 06:22:42,765 INFO L226 Difference]: Without dead ends: 122 [2020-10-20 06:22:42,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:42,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-20 06:22:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 96. [2020-10-20 06:22:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-20 06:22:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-10-20 06:22:42,781 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 7 [2020-10-20 06:22:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:42,781 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-10-20 06:22:42,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:22:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-10-20 06:22:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 06:22:42,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:42,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:42,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 06:22:42,786 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:42,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:42,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1440726131, now seen corresponding path program 1 times [2020-10-20 06:22:42,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:42,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048343879] [2020-10-20 06:22:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:42,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048343879] [2020-10-20 06:22:42,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:42,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:22:42,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380593805] [2020-10-20 06:22:42,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:22:42,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:42,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:22:42,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:42,847 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 4 states. [2020-10-20 06:22:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:42,995 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-10-20 06:22:42,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:22:42,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-20 06:22:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:42,997 INFO L225 Difference]: With dead ends: 105 [2020-10-20 06:22:42,997 INFO L226 Difference]: Without dead ends: 104 [2020-10-20 06:22:42,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-20 06:22:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2020-10-20 06:22:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-20 06:22:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2020-10-20 06:22:43,015 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 8 [2020-10-20 06:22:43,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:43,016 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2020-10-20 06:22:43,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:22:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2020-10-20 06:22:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:22:43,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:43,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:43,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 06:22:43,018 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:43,018 INFO L82 PathProgramCache]: Analyzing trace with hash 2098770931, now seen corresponding path program 1 times [2020-10-20 06:22:43,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:43,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906266462] [2020-10-20 06:22:43,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:43,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906266462] [2020-10-20 06:22:43,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:43,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:22:43,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901635740] [2020-10-20 06:22:43,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:22:43,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:43,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:22:43,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:22:43,057 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 5 states. [2020-10-20 06:22:43,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:43,339 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2020-10-20 06:22:43,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:22:43,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-20 06:22:43,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:43,341 INFO L225 Difference]: With dead ends: 150 [2020-10-20 06:22:43,341 INFO L226 Difference]: Without dead ends: 144 [2020-10-20 06:22:43,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:22:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-20 06:22:43,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2020-10-20 06:22:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 06:22:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2020-10-20 06:22:43,349 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 10 [2020-10-20 06:22:43,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:43,349 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2020-10-20 06:22:43,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:22:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2020-10-20 06:22:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 06:22:43,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:43,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:43,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 06:22:43,351 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:43,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1064053241, now seen corresponding path program 1 times [2020-10-20 06:22:43,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:43,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738948312] [2020-10-20 06:22:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:43,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738948312] [2020-10-20 06:22:43,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:43,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:22:43,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273945336] [2020-10-20 06:22:43,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:22:43,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:22:43,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:22:43,391 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 5 states. [2020-10-20 06:22:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:43,538 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2020-10-20 06:22:43,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:22:43,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-20 06:22:43,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:43,540 INFO L225 Difference]: With dead ends: 114 [2020-10-20 06:22:43,540 INFO L226 Difference]: Without dead ends: 113 [2020-10-20 06:22:43,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:22:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-20 06:22:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2020-10-20 06:22:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-20 06:22:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2020-10-20 06:22:43,547 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 11 [2020-10-20 06:22:43,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:43,548 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2020-10-20 06:22:43,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:22:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2020-10-20 06:22:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 06:22:43,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:43,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:43,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 06:22:43,550 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:43,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:43,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1649017929, now seen corresponding path program 1 times [2020-10-20 06:22:43,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:43,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341989606] [2020-10-20 06:22:43,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:43,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341989606] [2020-10-20 06:22:43,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:43,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 06:22:43,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842949489] [2020-10-20 06:22:43,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 06:22:43,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:43,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 06:22:43,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:22:43,594 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 6 states. [2020-10-20 06:22:43,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:43,899 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2020-10-20 06:22:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:22:43,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-20 06:22:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:43,901 INFO L225 Difference]: With dead ends: 168 [2020-10-20 06:22:43,902 INFO L226 Difference]: Without dead ends: 163 [2020-10-20 06:22:43,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:22:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-20 06:22:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 108. [2020-10-20 06:22:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-20 06:22:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2020-10-20 06:22:43,908 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 13 [2020-10-20 06:22:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:43,909 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2020-10-20 06:22:43,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 06:22:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2020-10-20 06:22:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 06:22:43,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:43,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:43,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 06:22:43,911 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1943421695, now seen corresponding path program 1 times [2020-10-20 06:22:43,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:43,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813710274] [2020-10-20 06:22:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:43,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813710274] [2020-10-20 06:22:43,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:43,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 06:22:43,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234358047] [2020-10-20 06:22:43,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 06:22:43,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:43,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 06:22:43,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:22:43,962 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand 6 states. [2020-10-20 06:22:44,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:44,119 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2020-10-20 06:22:44,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:22:44,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-20 06:22:44,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:44,121 INFO L225 Difference]: With dead ends: 117 [2020-10-20 06:22:44,121 INFO L226 Difference]: Without dead ends: 116 [2020-10-20 06:22:44,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:22:44,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-20 06:22:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 107. [2020-10-20 06:22:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-20 06:22:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2020-10-20 06:22:44,126 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 14 [2020-10-20 06:22:44,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:44,126 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2020-10-20 06:22:44,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 06:22:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2020-10-20 06:22:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 06:22:44,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:44,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:44,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 06:22:44,128 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:44,128 INFO L82 PathProgramCache]: Analyzing trace with hash -57105471, now seen corresponding path program 1 times [2020-10-20 06:22:44,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:44,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674785844] [2020-10-20 06:22:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:44,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674785844] [2020-10-20 06:22:44,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:44,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 06:22:44,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67669656] [2020-10-20 06:22:44,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 06:22:44,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:44,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 06:22:44,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:22:44,179 INFO L87 Difference]: Start difference. First operand 107 states and 116 transitions. Second operand 7 states. [2020-10-20 06:22:44,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:44,584 INFO L93 Difference]: Finished difference Result 183 states and 192 transitions. [2020-10-20 06:22:44,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:22:44,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-20 06:22:44,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:44,586 INFO L225 Difference]: With dead ends: 183 [2020-10-20 06:22:44,586 INFO L226 Difference]: Without dead ends: 179 [2020-10-20 06:22:44,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:22:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-20 06:22:44,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 105. [2020-10-20 06:22:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 06:22:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2020-10-20 06:22:44,591 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 16 [2020-10-20 06:22:44,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:44,592 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2020-10-20 06:22:44,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 06:22:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2020-10-20 06:22:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 06:22:44,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:44,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:44,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 06:22:44,594 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:44,595 INFO L82 PathProgramCache]: Analyzing trace with hash -316464313, now seen corresponding path program 1 times [2020-10-20 06:22:44,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:44,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489056636] [2020-10-20 06:22:44,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:44,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489056636] [2020-10-20 06:22:44,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:44,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 06:22:44,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849595438] [2020-10-20 06:22:44,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 06:22:44,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:44,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 06:22:44,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:22:44,648 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 7 states. [2020-10-20 06:22:44,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:44,836 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2020-10-20 06:22:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:22:44,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-20 06:22:44,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:44,838 INFO L225 Difference]: With dead ends: 114 [2020-10-20 06:22:44,838 INFO L226 Difference]: Without dead ends: 113 [2020-10-20 06:22:44,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:22:44,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-20 06:22:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2020-10-20 06:22:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-20 06:22:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2020-10-20 06:22:44,843 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 17 [2020-10-20 06:22:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:44,844 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2020-10-20 06:22:44,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 06:22:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2020-10-20 06:22:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 06:22:44,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:44,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:22:44,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 06:22:44,848 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:44,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:44,849 INFO L82 PathProgramCache]: Analyzing trace with hash -421937723, now seen corresponding path program 1 times [2020-10-20 06:22:44,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:44,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503653970] [2020-10-20 06:22:44,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:44,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503653970] [2020-10-20 06:22:44,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:44,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 06:22:44,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093721646] [2020-10-20 06:22:44,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 06:22:44,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:44,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 06:22:44,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:22:44,951 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 8 states. [2020-10-20 06:22:45,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:45,368 INFO L93 Difference]: Finished difference Result 195 states and 204 transitions. [2020-10-20 06:22:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 06:22:45,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-10-20 06:22:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:45,370 INFO L225 Difference]: With dead ends: 195 [2020-10-20 06:22:45,370 INFO L226 Difference]: Without dead ends: 192 [2020-10-20 06:22:45,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:22:45,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-20 06:22:45,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 96. [2020-10-20 06:22:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-20 06:22:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-10-20 06:22:45,374 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 19 [2020-10-20 06:22:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:45,375 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-10-20 06:22:45,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 06:22:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-10-20 06:22:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 06:22:45,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:45,376 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] [2020-10-20 06:22:45,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 06:22:45,376 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:45,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:45,377 INFO L82 PathProgramCache]: Analyzing trace with hash -335018609, now seen corresponding path program 1 times [2020-10-20 06:22:45,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:45,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462223576] [2020-10-20 06:22:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:45,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462223576] [2020-10-20 06:22:45,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:45,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 06:22:45,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171828602] [2020-10-20 06:22:45,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 06:22:45,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:45,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 06:22:45,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:22:45,442 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 8 states. [2020-10-20 06:22:45,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:45,621 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-10-20 06:22:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 06:22:45,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2020-10-20 06:22:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:45,623 INFO L225 Difference]: With dead ends: 105 [2020-10-20 06:22:45,625 INFO L226 Difference]: Without dead ends: 104 [2020-10-20 06:22:45,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:22:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-20 06:22:45,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2020-10-20 06:22:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-20 06:22:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2020-10-20 06:22:45,634 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 20 [2020-10-20 06:22:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:45,634 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2020-10-20 06:22:45,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 06:22:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2020-10-20 06:22:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 06:22:45,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:45,635 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] [2020-10-20 06:22:45,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 06:22:45,637 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:45,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1422683023, now seen corresponding path program 1 times [2020-10-20 06:22:45,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:45,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635082838] [2020-10-20 06:22:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:45,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635082838] [2020-10-20 06:22:45,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:45,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-20 06:22:45,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655099281] [2020-10-20 06:22:45,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:22:45,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:45,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:22:45,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:22:45,696 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 9 states. [2020-10-20 06:22:46,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:46,197 INFO L93 Difference]: Finished difference Result 204 states and 213 transitions. [2020-10-20 06:22:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:22:46,198 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-20 06:22:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:46,199 INFO L225 Difference]: With dead ends: 204 [2020-10-20 06:22:46,199 INFO L226 Difference]: Without dead ends: 202 [2020-10-20 06:22:46,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:22:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-20 06:22:46,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 81. [2020-10-20 06:22:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-20 06:22:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2020-10-20 06:22:46,203 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 22 [2020-10-20 06:22:46,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:46,203 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2020-10-20 06:22:46,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:22:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2020-10-20 06:22:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:22:46,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:46,204 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] [2020-10-20 06:22:46,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 06:22:46,205 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:46,205 INFO L82 PathProgramCache]: Analyzing trace with hash 964744341, now seen corresponding path program 1 times [2020-10-20 06:22:46,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:46,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787417059] [2020-10-20 06:22:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:46,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787417059] [2020-10-20 06:22:46,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:46,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-20 06:22:46,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991737292] [2020-10-20 06:22:46,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:22:46,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:46,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:22:46,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:22:46,270 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 9 states. [2020-10-20 06:22:46,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:46,449 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2020-10-20 06:22:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:22:46,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-20 06:22:46,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:46,451 INFO L225 Difference]: With dead ends: 90 [2020-10-20 06:22:46,451 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 06:22:46,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:22:46,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 06:22:46,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2020-10-20 06:22:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-20 06:22:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2020-10-20 06:22:46,455 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 23 [2020-10-20 06:22:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:46,455 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2020-10-20 06:22:46,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:22:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2020-10-20 06:22:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 06:22:46,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:46,456 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] [2020-10-20 06:22:46,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-20 06:22:46,460 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:46,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:46,462 INFO L82 PathProgramCache]: Analyzing trace with hash 412788691, now seen corresponding path program 1 times [2020-10-20 06:22:46,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:46,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223306864] [2020-10-20 06:22:46,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:46,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223306864] [2020-10-20 06:22:46,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:46,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-20 06:22:46,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518266279] [2020-10-20 06:22:46,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 06:22:46,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:46,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 06:22:46,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:22:46,556 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 10 states. [2020-10-20 06:22:46,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:46,977 INFO L93 Difference]: Finished difference Result 210 states and 219 transitions. [2020-10-20 06:22:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 06:22:46,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-10-20 06:22:46,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:46,979 INFO L225 Difference]: With dead ends: 210 [2020-10-20 06:22:46,979 INFO L226 Difference]: Without dead ends: 209 [2020-10-20 06:22:46,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:22:46,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-10-20 06:22:46,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 60. [2020-10-20 06:22:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 06:22:46,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2020-10-20 06:22:46,983 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 25 [2020-10-20 06:22:46,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:46,983 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2020-10-20 06:22:46,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 06:22:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2020-10-20 06:22:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 06:22:46,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:46,984 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] [2020-10-20 06:22:46,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-20 06:22:46,985 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:46,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:46,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1222339043, now seen corresponding path program 1 times [2020-10-20 06:22:46,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:46,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055126308] [2020-10-20 06:22:46,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:47,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055126308] [2020-10-20 06:22:47,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:47,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-20 06:22:47,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975945572] [2020-10-20 06:22:47,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 06:22:47,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:47,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 06:22:47,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:22:47,082 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 10 states. [2020-10-20 06:22:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:47,243 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2020-10-20 06:22:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 06:22:47,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-10-20 06:22:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:47,245 INFO L225 Difference]: With dead ends: 69 [2020-10-20 06:22:47,245 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 06:22:47,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:22:47,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 06:22:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 59. [2020-10-20 06:22:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 06:22:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2020-10-20 06:22:47,248 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 26 [2020-10-20 06:22:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:47,249 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2020-10-20 06:22:47,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 06:22:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2020-10-20 06:22:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 06:22:47,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:47,249 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] [2020-10-20 06:22:47,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-20 06:22:47,250 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:47,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash 896666621, now seen corresponding path program 1 times [2020-10-20 06:22:47,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:47,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082723667] [2020-10-20 06:22:47,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:47,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082723667] [2020-10-20 06:22:47,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:47,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-20 06:22:47,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025370182] [2020-10-20 06:22:47,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-20 06:22:47,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:47,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-20 06:22:47,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-20 06:22:47,344 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 12 states. [2020-10-20 06:22:47,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:47,967 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2020-10-20 06:22:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-20 06:22:47,968 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2020-10-20 06:22:47,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:47,970 INFO L225 Difference]: With dead ends: 200 [2020-10-20 06:22:47,971 INFO L226 Difference]: Without dead ends: 199 [2020-10-20 06:22:47,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2020-10-20 06:22:47,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-20 06:22:47,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 58. [2020-10-20 06:22:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-20 06:22:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-20 06:22:47,977 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 28 [2020-10-20 06:22:47,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:47,977 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-20 06:22:47,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-20 06:22:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-20 06:22:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 06:22:47,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:47,979 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] [2020-10-20 06:22:47,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-20 06:22:47,979 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:47,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:47,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2026861636, now seen corresponding path program 1 times [2020-10-20 06:22:47,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:47,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243604269] [2020-10-20 06:22:47,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:22:48,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243604269] [2020-10-20 06:22:48,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:48,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:22:48,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151521291] [2020-10-20 06:22:48,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:22:48,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:48,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:22:48,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:22:48,022 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 5 states. [2020-10-20 06:22:48,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:48,216 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2020-10-20 06:22:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:22:48,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-20 06:22:48,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:48,218 INFO L225 Difference]: With dead ends: 76 [2020-10-20 06:22:48,218 INFO L226 Difference]: Without dead ends: 75 [2020-10-20 06:22:48,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:22:48,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-20 06:22:48,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 61. [2020-10-20 06:22:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-20 06:22:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-10-20 06:22:48,222 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 29 [2020-10-20 06:22:48,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:48,223 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-10-20 06:22:48,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:22:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-10-20 06:22:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 06:22:48,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:48,225 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] [2020-10-20 06:22:48,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-20 06:22:48,226 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:48,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:48,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1969538558, now seen corresponding path program 1 times [2020-10-20 06:22:48,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:48,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309006462] [2020-10-20 06:22:48,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:22:48,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:22:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:22:48,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:22:48,269 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:22:48,270 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:22:48,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-20 06:22:48,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:22:48 BoogieIcfgContainer [2020-10-20 06:22:48,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:22:48,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:22:48,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:22:48,301 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:22:48,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:41" (3/4) ... [2020-10-20 06:22:48,305 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 06:22:48,371 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:22:48,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:22:48,375 INFO L168 Benchmark]: Toolchain (without parser) took 7870.00 ms. Allocated memory was 41.9 MB in the beginning and 71.8 MB in the end (delta: 29.9 MB). Free memory was 20.4 MB in the beginning and 41.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,376 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 31.5 MB. Free memory was 7.6 MB in the beginning and 7.6 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.54 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 19.6 MB in the beginning and 20.0 MB in the end (delta: -464.3 kB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 42.5 MB. Free memory was 20.0 MB in the beginning and 18.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,378 INFO L168 Benchmark]: Boogie Preprocessor took 27.43 ms. Allocated memory is still 42.5 MB. Free memory was 18.3 MB in the beginning and 17.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,379 INFO L168 Benchmark]: RCFGBuilder took 408.36 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 16.9 MB in the beginning and 13.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,379 INFO L168 Benchmark]: TraceAbstraction took 7006.51 ms. Allocated memory was 44.0 MB in the beginning and 71.8 MB in the end (delta: 27.8 MB). Free memory was 12.7 MB in the beginning and 43.2 MB in the end (delta: -30.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:22:48,380 INFO L168 Benchmark]: Witness Printer took 71.33 ms. Allocated memory is still 71.8 MB. Free memory was 43.2 MB in the beginning and 41.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:48,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 31.5 MB. Free memory was 7.6 MB in the beginning and 7.6 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 303.54 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 19.6 MB in the beginning and 20.0 MB in the end (delta: -464.3 kB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 42.5 MB. Free memory was 20.0 MB in the beginning and 18.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 27.43 ms. Allocated memory is still 42.5 MB. Free memory was 18.3 MB in the beginning and 17.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 408.36 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 16.9 MB in the beginning and 13.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7006.51 ms. Allocated memory was 44.0 MB in the beginning and 71.8 MB in the end (delta: 27.8 MB). Free memory was 12.7 MB in the beginning and 43.2 MB in the end (delta: -30.4 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 71.33 ms. Allocated memory is still 71.8 MB. Free memory was 43.2 MB in the beginning and 41.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND FALSE !(x > 0) [L27] EXPR x - 1 [L27] x = x - 1 [L29] COND FALSE !(x > 0) [L32] EXPR x - 1 [L32] x = x - 1 [L34] COND FALSE !(x > 0) [L37] EXPR x - 1 [L37] x = x - 1 [L39] COND FALSE !(x > 0) [L42] EXPR x - 1 [L42] x = x - 1 [L44] COND FALSE !(x > 0) [L47] EXPR x - 1 [L47] x = x - 1 [L49] COND FALSE !(x > 0) [L52] EXPR x - 1 [L52] x = x - 1 [L54] COND FALSE !(x > 0) [L57] EXPR x - 1 [L57] x = x - 1 [L59] COND FALSE !(x > 0) [L62] EXPR x - 1 [L62] x = x - 1 [L64] COND TRUE y<100 && z<100 [L65] y+x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.8s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 464 SDtfs, 1479 SDslu, 162 SDs, 0 SdLazy, 5505 SolverSat, 577 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=8, 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, 19 MinimizatonAttempts, 812 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 21390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...