./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer --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 0.1.24-cad4683 [2019-11-16 00:19:09,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:19:09,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:19:09,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:19:09,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:19:09,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:19:09,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:19:09,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:19:09,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:19:09,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:19:09,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:19:09,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:19:09,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:19:09,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:19:09,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:19:09,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:19:09,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:19:09,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:19:09,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:19:09,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:19:09,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:19:09,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:19:09,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:19:09,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:19:09,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:19:09,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:19:09,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:19:09,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:19:09,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:19:09,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:19:09,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:19:09,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:19:09,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:19:09,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:19:09,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:19:09,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:19:09,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:19:09,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:19:09,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:19:09,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:19:09,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:19:09,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-16 00:19:09,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:19:09,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:19:09,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:19:09,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:19:09,610 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:19:09,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:19:09,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:19:09,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:19:09,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:19:09,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:19:09,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:19:09,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:19:09,612 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-16 00:19:09,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:19:09,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:19:09,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:19:09,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:19:09,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:19:09,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:19:09,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:19:09,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:19:09,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:19:09,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:19:09,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:19:09,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:19:09,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:19:09,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:19:09,616 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer 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 [2019-11-16 00:19:09,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:19:09,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:19:09,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:19:09,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:19:09,664 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:19:09,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2019-11-16 00:19:09,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/data/8fb4ed3a2/891d2f3ab3c14093afb14a86d2d1d8bf/FLAGfff0ab997 [2019-11-16 00:19:10,135 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:19:10,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2019-11-16 00:19:10,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/data/8fb4ed3a2/891d2f3ab3c14093afb14a86d2d1d8bf/FLAGfff0ab997 [2019-11-16 00:19:10,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/data/8fb4ed3a2/891d2f3ab3c14093afb14a86d2d1d8bf [2019-11-16 00:19:10,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:19:10,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:19:10,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:19:10,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:19:10,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:19:10,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587b9e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10, skipping insertion in model container [2019-11-16 00:19:10,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,516 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:19:10,537 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:19:10,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:19:10,775 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:19:10,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:19:10,813 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:19:10,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10 WrapperNode [2019-11-16 00:19:10,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:19:10,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:19:10,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:19:10,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:19:10,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:19:10,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:19:10,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:19:10,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:19:10,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... [2019-11-16 00:19:10,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:19:10,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:19:10,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:19:10,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:19:10,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/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 [2019-11-16 00:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:19:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:19:11,206 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:19:11,206 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-16 00:19:11,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:11 BoogieIcfgContainer [2019-11-16 00:19:11,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:19:11,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:19:11,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:19:11,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:19:11,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:19:10" (1/3) ... [2019-11-16 00:19:11,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad2cb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:19:11, skipping insertion in model container [2019-11-16 00:19:11,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:19:10" (2/3) ... [2019-11-16 00:19:11,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad2cb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:19:11, skipping insertion in model container [2019-11-16 00:19:11,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:11" (3/3) ... [2019-11-16 00:19:11,215 INFO L109 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-1.c [2019-11-16 00:19:11,223 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:19:11,229 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-11-16 00:19:11,238 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-11-16 00:19:11,261 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:19:11,261 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:19:11,262 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:19:11,262 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:19:11,262 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:19:11,262 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:19:11,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:19:11,263 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:19:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-11-16 00:19:11,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-16 00:19:11,287 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:11,288 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-16 00:19:11,290 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:11,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:11,295 INFO L82 PathProgramCache]: Analyzing trace with hash 957669, now seen corresponding path program 1 times [2019-11-16 00:19:11,304 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:11,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597582751] [2019-11-16 00:19:11,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:11,305 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:11,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:11,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597582751] [2019-11-16 00:19:11,415 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:11,415 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:11,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939436825] [2019-11-16 00:19:11,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:11,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:11,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:11,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:11,432 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 3 states. [2019-11-16 00:19:11,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:11,684 INFO L93 Difference]: Finished difference Result 181 states and 215 transitions. [2019-11-16 00:19:11,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:11,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-16 00:19:11,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:11,695 INFO L225 Difference]: With dead ends: 181 [2019-11-16 00:19:11,695 INFO L226 Difference]: Without dead ends: 92 [2019-11-16 00:19:11,704 INFO L600 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 [2019-11-16 00:19:11,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-16 00:19:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2019-11-16 00:19:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-16 00:19:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2019-11-16 00:19:11,757 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 4 [2019-11-16 00:19:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:11,758 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2019-11-16 00:19:11,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2019-11-16 00:19:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-16 00:19:11,759 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:11,759 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-16 00:19:11,763 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:11,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:11,763 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2019-11-16 00:19:11,764 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:11,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238224676] [2019-11-16 00:19:11,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:11,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:11,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:11,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238224676] [2019-11-16 00:19:11,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:11,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:19:11,798 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786527151] [2019-11-16 00:19:11,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:11,800 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:11,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:11,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:11,800 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand 3 states. [2019-11-16 00:19:11,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:11,971 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2019-11-16 00:19:11,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:11,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-16 00:19:11,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:11,973 INFO L225 Difference]: With dead ends: 113 [2019-11-16 00:19:11,973 INFO L226 Difference]: Without dead ends: 97 [2019-11-16 00:19:11,974 INFO L600 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 [2019-11-16 00:19:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-11-16 00:19:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 81. [2019-11-16 00:19:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-16 00:19:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2019-11-16 00:19:11,980 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 4 [2019-11-16 00:19:11,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:11,981 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2019-11-16 00:19:11,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2019-11-16 00:19:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-16 00:19:11,981 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:11,982 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-16 00:19:11,983 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:11,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:11,983 INFO L82 PathProgramCache]: Analyzing trace with hash 29747371, now seen corresponding path program 1 times [2019-11-16 00:19:11,983 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:11,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527338596] [2019-11-16 00:19:11,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:11,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:11,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:12,006 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527338596] [2019-11-16 00:19:12,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:12,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:19:12,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570605576] [2019-11-16 00:19:12,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:19:12,007 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:12,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:19:12,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:19:12,008 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 3 states. [2019-11-16 00:19:12,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:12,135 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-11-16 00:19:12,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:19:12,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-16 00:19:12,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:12,137 INFO L225 Difference]: With dead ends: 90 [2019-11-16 00:19:12,137 INFO L226 Difference]: Without dead ends: 89 [2019-11-16 00:19:12,138 INFO L600 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 [2019-11-16 00:19:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-16 00:19:12,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2019-11-16 00:19:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-16 00:19:12,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2019-11-16 00:19:12,143 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 5 [2019-11-16 00:19:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:12,144 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2019-11-16 00:19:12,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:19:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2019-11-16 00:19:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-16 00:19:12,144 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:12,144 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:12,145 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:12,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1540529751, now seen corresponding path program 1 times [2019-11-16 00:19:12,146 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:12,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838121002] [2019-11-16 00:19:12,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,147 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:12,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838121002] [2019-11-16 00:19:12,169 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:12,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:12,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154665072] [2019-11-16 00:19:12,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:19:12,170 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:12,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:19:12,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:12,171 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 4 states. [2019-11-16 00:19:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:12,370 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2019-11-16 00:19:12,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:19:12,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-16 00:19:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:12,372 INFO L225 Difference]: With dead ends: 129 [2019-11-16 00:19:12,372 INFO L226 Difference]: Without dead ends: 122 [2019-11-16 00:19:12,372 INFO L600 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 [2019-11-16 00:19:12,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-16 00:19:12,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 96. [2019-11-16 00:19:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-16 00:19:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2019-11-16 00:19:12,382 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 7 [2019-11-16 00:19:12,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:12,383 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2019-11-16 00:19:12,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:19:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2019-11-16 00:19:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-16 00:19:12,384 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:12,384 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:12,385 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:12,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:12,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1440726131, now seen corresponding path program 1 times [2019-11-16 00:19:12,386 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:12,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650640281] [2019-11-16 00:19:12,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:12,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650640281] [2019-11-16 00:19:12,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:12,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:19:12,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241042212] [2019-11-16 00:19:12,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:19:12,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:12,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:19:12,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:19:12,438 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 4 states. [2019-11-16 00:19:12,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:12,579 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-11-16 00:19:12,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:19:12,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-16 00:19:12,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:12,581 INFO L225 Difference]: With dead ends: 105 [2019-11-16 00:19:12,581 INFO L226 Difference]: Without dead ends: 104 [2019-11-16 00:19:12,582 INFO L600 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 [2019-11-16 00:19:12,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-16 00:19:12,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2019-11-16 00:19:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-16 00:19:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2019-11-16 00:19:12,588 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 8 [2019-11-16 00:19:12,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:12,588 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2019-11-16 00:19:12,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:19:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2019-11-16 00:19:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:19:12,593 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:12,593 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:12,595 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:12,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:12,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2098770931, now seen corresponding path program 1 times [2019-11-16 00:19:12,596 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:12,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148043962] [2019-11-16 00:19:12,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:12,649 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148043962] [2019-11-16 00:19:12,649 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:12,649 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:19:12,650 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159385205] [2019-11-16 00:19:12,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:19:12,650 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:12,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:19:12,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:19:12,651 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 5 states. [2019-11-16 00:19:12,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:12,963 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2019-11-16 00:19:12,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:19:12,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-16 00:19:12,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:12,965 INFO L225 Difference]: With dead ends: 150 [2019-11-16 00:19:12,965 INFO L226 Difference]: Without dead ends: 144 [2019-11-16 00:19:12,966 INFO L600 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 [2019-11-16 00:19:12,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-11-16 00:19:12,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2019-11-16 00:19:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-16 00:19:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2019-11-16 00:19:12,983 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 10 [2019-11-16 00:19:12,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:12,984 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2019-11-16 00:19:12,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:19:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2019-11-16 00:19:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:19:12,985 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:12,985 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:12,986 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:12,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:12,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1064053241, now seen corresponding path program 1 times [2019-11-16 00:19:12,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:12,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391358934] [2019-11-16 00:19:12,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:12,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:13,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391358934] [2019-11-16 00:19:13,059 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:13,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:19:13,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001732073] [2019-11-16 00:19:13,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:19:13,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:13,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:19:13,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:19:13,060 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 5 states. [2019-11-16 00:19:13,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:13,208 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2019-11-16 00:19:13,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:19:13,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-16 00:19:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:13,209 INFO L225 Difference]: With dead ends: 114 [2019-11-16 00:19:13,210 INFO L226 Difference]: Without dead ends: 113 [2019-11-16 00:19:13,210 INFO L600 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 [2019-11-16 00:19:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-16 00:19:13,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2019-11-16 00:19:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-16 00:19:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2019-11-16 00:19:13,216 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 11 [2019-11-16 00:19:13,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:13,216 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2019-11-16 00:19:13,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:19:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2019-11-16 00:19:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-16 00:19:13,221 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:13,221 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:13,225 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:13,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:13,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1649017929, now seen corresponding path program 1 times [2019-11-16 00:19:13,226 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:13,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112093695] [2019-11-16 00:19:13,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:13,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:13,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:13,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112093695] [2019-11-16 00:19:13,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:13,286 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:19:13,286 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373754155] [2019-11-16 00:19:13,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:19:13,287 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:13,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:19:13,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:19:13,288 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 6 states. [2019-11-16 00:19:13,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:13,600 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2019-11-16 00:19:13,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:19:13,601 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-16 00:19:13,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:13,602 INFO L225 Difference]: With dead ends: 168 [2019-11-16 00:19:13,602 INFO L226 Difference]: Without dead ends: 163 [2019-11-16 00:19:13,602 INFO L600 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 [2019-11-16 00:19:13,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-16 00:19:13,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 108. [2019-11-16 00:19:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-16 00:19:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2019-11-16 00:19:13,609 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 13 [2019-11-16 00:19:13,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:13,609 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2019-11-16 00:19:13,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:19:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2019-11-16 00:19:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:19:13,610 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:13,610 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:13,611 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:13,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:13,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1943421695, now seen corresponding path program 1 times [2019-11-16 00:19:13,612 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:13,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801460172] [2019-11-16 00:19:13,612 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:13,612 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:13,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:13,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801460172] [2019-11-16 00:19:13,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:13,665 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:19:13,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493567967] [2019-11-16 00:19:13,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:19:13,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:13,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:19:13,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:19:13,666 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand 6 states. [2019-11-16 00:19:13,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:13,838 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2019-11-16 00:19:13,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:19:13,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-16 00:19:13,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:13,839 INFO L225 Difference]: With dead ends: 117 [2019-11-16 00:19:13,839 INFO L226 Difference]: Without dead ends: 116 [2019-11-16 00:19:13,840 INFO L600 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 [2019-11-16 00:19:13,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-16 00:19:13,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 107. [2019-11-16 00:19:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-16 00:19:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2019-11-16 00:19:13,844 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 14 [2019-11-16 00:19:13,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:13,845 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2019-11-16 00:19:13,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:19:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2019-11-16 00:19:13,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:19:13,846 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:13,846 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:13,846 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:13,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:13,847 INFO L82 PathProgramCache]: Analyzing trace with hash -57105471, now seen corresponding path program 1 times [2019-11-16 00:19:13,847 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:13,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090105577] [2019-11-16 00:19:13,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:13,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:13,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:13,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090105577] [2019-11-16 00:19:13,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:13,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:19:13,888 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30540716] [2019-11-16 00:19:13,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:19:13,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:13,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:19:13,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:19:13,889 INFO L87 Difference]: Start difference. First operand 107 states and 116 transitions. Second operand 7 states. [2019-11-16 00:19:14,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:14,213 INFO L93 Difference]: Finished difference Result 183 states and 192 transitions. [2019-11-16 00:19:14,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:19:14,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2019-11-16 00:19:14,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:14,214 INFO L225 Difference]: With dead ends: 183 [2019-11-16 00:19:14,214 INFO L226 Difference]: Without dead ends: 179 [2019-11-16 00:19:14,215 INFO L600 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 [2019-11-16 00:19:14,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-16 00:19:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 105. [2019-11-16 00:19:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-16 00:19:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2019-11-16 00:19:14,219 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 16 [2019-11-16 00:19:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:14,220 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2019-11-16 00:19:14,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:19:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2019-11-16 00:19:14,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:19:14,221 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:14,221 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:14,221 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:14,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:14,222 INFO L82 PathProgramCache]: Analyzing trace with hash -316464313, now seen corresponding path program 1 times [2019-11-16 00:19:14,222 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:14,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538990975] [2019-11-16 00:19:14,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:14,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:14,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:14,280 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538990975] [2019-11-16 00:19:14,280 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:14,280 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:19:14,280 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386189707] [2019-11-16 00:19:14,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:19:14,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:19:14,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:19:14,281 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 7 states. [2019-11-16 00:19:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:14,451 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2019-11-16 00:19:14,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:19:14,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-16 00:19:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:14,452 INFO L225 Difference]: With dead ends: 114 [2019-11-16 00:19:14,452 INFO L226 Difference]: Without dead ends: 113 [2019-11-16 00:19:14,453 INFO L600 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 [2019-11-16 00:19:14,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-16 00:19:14,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2019-11-16 00:19:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-16 00:19:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2019-11-16 00:19:14,456 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 17 [2019-11-16 00:19:14,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:14,457 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2019-11-16 00:19:14,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:19:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2019-11-16 00:19:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-16 00:19:14,458 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:14,458 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:14,458 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:14,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:14,459 INFO L82 PathProgramCache]: Analyzing trace with hash -421937723, now seen corresponding path program 1 times [2019-11-16 00:19:14,459 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:14,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255151613] [2019-11-16 00:19:14,459 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:14,459 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:14,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:14,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255151613] [2019-11-16 00:19:14,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:14,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:19:14,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724070018] [2019-11-16 00:19:14,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:19:14,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:14,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:19:14,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:19:14,517 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 8 states. [2019-11-16 00:19:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:14,931 INFO L93 Difference]: Finished difference Result 195 states and 204 transitions. [2019-11-16 00:19:14,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:19:14,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-16 00:19:14,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:14,932 INFO L225 Difference]: With dead ends: 195 [2019-11-16 00:19:14,932 INFO L226 Difference]: Without dead ends: 192 [2019-11-16 00:19:14,933 INFO L600 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 [2019-11-16 00:19:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-16 00:19:14,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 96. [2019-11-16 00:19:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-16 00:19:14,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2019-11-16 00:19:14,935 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 19 [2019-11-16 00:19:14,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:14,935 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2019-11-16 00:19:14,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:19:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2019-11-16 00:19:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-16 00:19:14,936 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:14,936 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:19:14,936 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:14,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:14,936 INFO L82 PathProgramCache]: Analyzing trace with hash -335018609, now seen corresponding path program 1 times [2019-11-16 00:19:14,936 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:14,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702901843] [2019-11-16 00:19:14,937 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:14,937 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:14,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:15,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702901843] [2019-11-16 00:19:15,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:15,011 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:19:15,011 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678374082] [2019-11-16 00:19:15,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:19:15,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:15,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:19:15,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:19:15,012 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 8 states. [2019-11-16 00:19:15,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:15,181 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-11-16 00:19:15,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:19:15,181 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-16 00:19:15,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:15,182 INFO L225 Difference]: With dead ends: 105 [2019-11-16 00:19:15,182 INFO L226 Difference]: Without dead ends: 104 [2019-11-16 00:19:15,182 INFO L600 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 [2019-11-16 00:19:15,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-16 00:19:15,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2019-11-16 00:19:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-16 00:19:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2019-11-16 00:19:15,185 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 20 [2019-11-16 00:19:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:15,185 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2019-11-16 00:19:15,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:19:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2019-11-16 00:19:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-16 00:19:15,186 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:15,186 INFO L380 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] [2019-11-16 00:19:15,187 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:15,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1422683023, now seen corresponding path program 1 times [2019-11-16 00:19:15,187 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:15,187 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745138146] [2019-11-16 00:19:15,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:15,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:15,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:15,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745138146] [2019-11-16 00:19:15,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:15,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:19:15,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403408884] [2019-11-16 00:19:15,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:19:15,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:15,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:19:15,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:19:15,289 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 9 states. [2019-11-16 00:19:15,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:15,738 INFO L93 Difference]: Finished difference Result 204 states and 213 transitions. [2019-11-16 00:19:15,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:19:15,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-16 00:19:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:15,740 INFO L225 Difference]: With dead ends: 204 [2019-11-16 00:19:15,740 INFO L226 Difference]: Without dead ends: 202 [2019-11-16 00:19:15,740 INFO L600 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 [2019-11-16 00:19:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-11-16 00:19:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 81. [2019-11-16 00:19:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-16 00:19:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2019-11-16 00:19:15,743 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 22 [2019-11-16 00:19:15,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:15,743 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2019-11-16 00:19:15,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:19:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2019-11-16 00:19:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-16 00:19:15,744 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:15,744 INFO L380 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] [2019-11-16 00:19:15,744 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:15,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:15,751 INFO L82 PathProgramCache]: Analyzing trace with hash 964744341, now seen corresponding path program 1 times [2019-11-16 00:19:15,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:15,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241094373] [2019-11-16 00:19:15,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:15,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:15,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:15,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241094373] [2019-11-16 00:19:15,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:15,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:19:15,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047151012] [2019-11-16 00:19:15,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:19:15,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:15,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:19:15,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:19:15,834 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 9 states. [2019-11-16 00:19:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:16,001 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-11-16 00:19:16,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:19:16,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-16 00:19:16,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:16,002 INFO L225 Difference]: With dead ends: 90 [2019-11-16 00:19:16,002 INFO L226 Difference]: Without dead ends: 89 [2019-11-16 00:19:16,003 INFO L600 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 [2019-11-16 00:19:16,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-16 00:19:16,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2019-11-16 00:19:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-16 00:19:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2019-11-16 00:19:16,005 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 23 [2019-11-16 00:19:16,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:16,005 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2019-11-16 00:19:16,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:19:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2019-11-16 00:19:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-16 00:19:16,006 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:16,007 INFO L380 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] [2019-11-16 00:19:16,007 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:16,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:16,008 INFO L82 PathProgramCache]: Analyzing trace with hash 412788691, now seen corresponding path program 1 times [2019-11-16 00:19:16,008 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:16,008 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295601483] [2019-11-16 00:19:16,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:16,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:16,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:16,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295601483] [2019-11-16 00:19:16,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:16,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-16 00:19:16,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104554631] [2019-11-16 00:19:16,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-16 00:19:16,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:16,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-16 00:19:16,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:19:16,109 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 10 states. [2019-11-16 00:19:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:16,520 INFO L93 Difference]: Finished difference Result 210 states and 219 transitions. [2019-11-16 00:19:16,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:19:16,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2019-11-16 00:19:16,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:16,521 INFO L225 Difference]: With dead ends: 210 [2019-11-16 00:19:16,521 INFO L226 Difference]: Without dead ends: 209 [2019-11-16 00:19:16,522 INFO L600 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 [2019-11-16 00:19:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-11-16 00:19:16,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 60. [2019-11-16 00:19:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-16 00:19:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2019-11-16 00:19:16,524 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 25 [2019-11-16 00:19:16,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:16,526 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2019-11-16 00:19:16,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-16 00:19:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2019-11-16 00:19:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-16 00:19:16,527 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:16,528 INFO L380 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] [2019-11-16 00:19:16,528 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1222339043, now seen corresponding path program 1 times [2019-11-16 00:19:16,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:16,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394871651] [2019-11-16 00:19:16,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:16,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:16,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:16,597 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394871651] [2019-11-16 00:19:16,597 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:16,597 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-16 00:19:16,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884881830] [2019-11-16 00:19:16,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-16 00:19:16,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:16,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-16 00:19:16,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:19:16,598 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 10 states. [2019-11-16 00:19:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:16,746 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2019-11-16 00:19:16,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:19:16,746 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-11-16 00:19:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:16,747 INFO L225 Difference]: With dead ends: 69 [2019-11-16 00:19:16,747 INFO L226 Difference]: Without dead ends: 68 [2019-11-16 00:19:16,747 INFO L600 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 [2019-11-16 00:19:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-16 00:19:16,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 59. [2019-11-16 00:19:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-16 00:19:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2019-11-16 00:19:16,749 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 26 [2019-11-16 00:19:16,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:16,749 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2019-11-16 00:19:16,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-16 00:19:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2019-11-16 00:19:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-16 00:19:16,750 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:16,750 INFO L380 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] [2019-11-16 00:19:16,751 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:16,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:16,751 INFO L82 PathProgramCache]: Analyzing trace with hash 896666621, now seen corresponding path program 1 times [2019-11-16 00:19:16,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:16,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43331500] [2019-11-16 00:19:16,751 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:16,751 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:16,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:16,851 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43331500] [2019-11-16 00:19:16,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:16,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-16 00:19:16,852 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625545927] [2019-11-16 00:19:16,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-16 00:19:16,852 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:16,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-16 00:19:16,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:19:16,853 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 12 states. [2019-11-16 00:19:17,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:17,399 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2019-11-16 00:19:17,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-16 00:19:17,399 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2019-11-16 00:19:17,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:17,401 INFO L225 Difference]: With dead ends: 200 [2019-11-16 00:19:17,401 INFO L226 Difference]: Without dead ends: 199 [2019-11-16 00:19:17,401 INFO L600 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 [2019-11-16 00:19:17,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-16 00:19:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 58. [2019-11-16 00:19:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-16 00:19:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2019-11-16 00:19:17,404 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 28 [2019-11-16 00:19:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:17,405 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2019-11-16 00:19:17,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-16 00:19:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2019-11-16 00:19:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-16 00:19:17,406 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:17,406 INFO L380 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] [2019-11-16 00:19:17,406 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:17,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:17,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2026861636, now seen corresponding path program 1 times [2019-11-16 00:19:17,407 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:17,410 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478218992] [2019-11-16 00:19:17,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:17,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:17,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:19:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:19:17,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478218992] [2019-11-16 00:19:17,523 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:19:17,523 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-16 00:19:17,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786735119] [2019-11-16 00:19:17,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-16 00:19:17,524 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:19:17,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-16 00:19:17,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:19:17,524 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 12 states. [2019-11-16 00:19:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:19:17,886 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2019-11-16 00:19:17,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:19:17,887 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-11-16 00:19:17,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:19:17,889 INFO L225 Difference]: With dead ends: 160 [2019-11-16 00:19:17,889 INFO L226 Difference]: Without dead ends: 159 [2019-11-16 00:19:17,890 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:19:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-16 00:19:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 61. [2019-11-16 00:19:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-16 00:19:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2019-11-16 00:19:17,895 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 29 [2019-11-16 00:19:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:19:17,896 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2019-11-16 00:19:17,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-16 00:19:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2019-11-16 00:19:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-16 00:19:17,896 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:19:17,897 INFO L380 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] [2019-11-16 00:19:17,897 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:19:17,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:19:17,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1969538558, now seen corresponding path program 1 times [2019-11-16 00:19:17,897 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:19:17,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015959368] [2019-11-16 00:19:17,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:17,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:19:17,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:19:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:19:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:19:17,943 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:19:17,943 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:19:17,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:19:17 BoogieIcfgContainer [2019-11-16 00:19:17,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:19:17,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:19:17,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:19:17,968 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:19:17,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:19:11" (3/4) ... [2019-11-16 00:19:17,971 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-16 00:19:18,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_14504636-0d86-47aa-849c-5a6ff30f4da9/bin/uautomizer/witness.graphml [2019-11-16 00:19:18,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:19:18,053 INFO L168 Benchmark]: Toolchain (without parser) took 7550.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 942.1 MB in the beginning and 1.0 GB in the end (delta: -92.4 MB). Peak memory consumption was 203.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:18,054 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:19:18,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:18,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:19:18,055 INFO L168 Benchmark]: Boogie Preprocessor took 24.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:19:18,055 INFO L168 Benchmark]: RCFGBuilder took 337.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:18,056 INFO L168 Benchmark]: TraceAbstraction took 6758.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.1 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:18,057 INFO L168 Benchmark]: Witness Printer took 83.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:19:18,061 INFO L335 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 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 337.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6758.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.1 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. * Witness Printer took 83.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 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. Result: UNSAFE, OverallTime: 6.7s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 464 SDtfs, 1764 SDslu, 162 SDs, 0 SdLazy, 5610 SolverSat, 718 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s 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, 896 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 22006 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...