./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/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 0.2.0-a4ecdab [2020-11-28 03:21:36,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:21:36,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:21:36,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:21:36,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:21:36,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:21:36,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:21:36,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:21:36,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:21:36,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:21:36,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:21:36,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:21:36,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:21:36,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:21:36,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:21:36,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:21:36,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:21:36,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:21:36,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:21:36,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:21:36,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:21:36,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:21:36,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:21:36,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:21:36,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:21:36,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:21:36,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:21:36,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:21:36,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:21:36,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:21:36,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:21:36,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:21:36,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:21:36,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:21:36,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:21:36,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:21:36,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:21:36,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:21:36,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:21:36,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:21:36,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:21:36,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 03:21:36,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:21:36,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:21:36,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:21:36,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:21:36,210 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:21:36,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:21:36,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:21:36,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:21:36,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:21:36,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:21:36,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:21:36,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:21:36,212 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:21:36,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:21:36,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:21:36,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:21:36,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:21:36,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:21:36,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:21:36,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:21:36,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:21:36,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:21:36,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:21:36,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:21:36,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:21:36,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:21:36,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:21:36,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:21:36,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2020-11-28 03:21:36,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:21:36,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:21:36,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:21:36,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:21:36,510 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:21:36,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-11-28 03:21:36,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/data/9b627d960/8ebc17703c2c4c278af8e827b511b283/FLAG459764e53 [2020-11-28 03:21:37,092 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:21:37,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-11-28 03:21:37,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/data/9b627d960/8ebc17703c2c4c278af8e827b511b283/FLAG459764e53 [2020-11-28 03:21:37,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/data/9b627d960/8ebc17703c2c4c278af8e827b511b283 [2020-11-28 03:21:37,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:21:37,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:21:37,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:37,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:21:37,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:21:37,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21300fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37, skipping insertion in model container [2020-11-28 03:21:37,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:21:37,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:21:37,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:37,673 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:21:37,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:37,706 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:21:37,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37 WrapperNode [2020-11-28 03:21:37,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:37,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:37,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:21:37,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:21:37,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:37,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:21:37,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:21:37,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:21:37,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:21:37,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:21:37,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:21:37,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:21:37,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/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 [2020-11-28 03:21:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:21:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:21:38,295 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:21:38,306 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:21:38,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:38 BoogieIcfgContainer [2020-11-28 03:21:38,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:21:38,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:21:38,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:21:38,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:21:38,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:37" (1/3) ... [2020-11-28 03:21:38,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:38, skipping insertion in model container [2020-11-28 03:21:38,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (2/3) ... [2020-11-28 03:21:38,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:38, skipping insertion in model container [2020-11-28 03:21:38,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:38" (3/3) ... [2020-11-28 03:21:38,335 INFO L111 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-1.c [2020-11-28 03:21:38,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:21:38,362 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-11-28 03:21:38,391 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-11-28 03:21:38,429 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:21:38,429 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:21:38,429 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:21:38,429 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:21:38,430 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:21:38,430 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:21:38,430 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:21:38,430 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:21:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-11-28 03:21:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 03:21:38,457 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:38,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 03:21:38,459 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:38,464 INFO L82 PathProgramCache]: Analyzing trace with hash 957669, now seen corresponding path program 1 times [2020-11-28 03:21:38,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:38,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772348597] [2020-11-28 03:21:38,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:38,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772348597] [2020-11-28 03:21:38,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:38,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:38,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732815315] [2020-11-28 03:21:38,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:38,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:38,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:38,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:38,644 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 3 states. [2020-11-28 03:21:39,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:39,033 INFO L93 Difference]: Finished difference Result 181 states and 215 transitions. [2020-11-28 03:21:39,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:39,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-28 03:21:39,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:39,045 INFO L225 Difference]: With dead ends: 181 [2020-11-28 03:21:39,045 INFO L226 Difference]: Without dead ends: 92 [2020-11-28 03:21:39,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-11-28 03:21:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2020-11-28 03:21:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-28 03:21:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2020-11-28 03:21:39,112 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 4 [2020-11-28 03:21:39,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:39,113 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2020-11-28 03:21:39,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2020-11-28 03:21:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 03:21:39,114 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:39,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 03:21:39,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:21:39,117 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:39,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:39,119 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2020-11-28 03:21:39,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:39,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556721187] [2020-11-28 03:21:39,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:39,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556721187] [2020-11-28 03:21:39,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:39,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:21:39,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054355947] [2020-11-28 03:21:39,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:39,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:39,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:39,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:39,147 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand 3 states. [2020-11-28 03:21:39,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:39,445 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2020-11-28 03:21:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:39,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-28 03:21:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:39,448 INFO L225 Difference]: With dead ends: 113 [2020-11-28 03:21:39,448 INFO L226 Difference]: Without dead ends: 97 [2020-11-28 03:21:39,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:39,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-28 03:21:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 81. [2020-11-28 03:21:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-28 03:21:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2020-11-28 03:21:39,466 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 4 [2020-11-28 03:21:39,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:39,467 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2020-11-28 03:21:39,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2020-11-28 03:21:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:21:39,467 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:39,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:21:39,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:21:39,468 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:39,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:39,469 INFO L82 PathProgramCache]: Analyzing trace with hash 29747371, now seen corresponding path program 1 times [2020-11-28 03:21:39,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:39,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819197997] [2020-11-28 03:21:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:39,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819197997] [2020-11-28 03:21:39,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:39,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:21:39,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653353325] [2020-11-28 03:21:39,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:39,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:39,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:39,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:39,506 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 3 states. [2020-11-28 03:21:39,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:39,664 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2020-11-28 03:21:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:39,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-28 03:21:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:39,669 INFO L225 Difference]: With dead ends: 90 [2020-11-28 03:21:39,669 INFO L226 Difference]: Without dead ends: 89 [2020-11-28 03:21:39,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:39,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-28 03:21:39,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2020-11-28 03:21:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-28 03:21:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2020-11-28 03:21:39,677 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 5 [2020-11-28 03:21:39,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:39,677 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2020-11-28 03:21:39,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2020-11-28 03:21:39,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:21:39,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:39,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:39,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:21:39,679 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:39,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:39,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1540529751, now seen corresponding path program 1 times [2020-11-28 03:21:39,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:39,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47207655] [2020-11-28 03:21:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:39,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47207655] [2020-11-28 03:21:39,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:39,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:39,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116510906] [2020-11-28 03:21:39,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:39,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:39,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:39,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:39,731 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 4 states. [2020-11-28 03:21:40,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:40,057 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2020-11-28 03:21:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:40,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 03:21:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:40,059 INFO L225 Difference]: With dead ends: 129 [2020-11-28 03:21:40,059 INFO L226 Difference]: Without dead ends: 122 [2020-11-28 03:21:40,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-11-28 03:21:40,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 96. [2020-11-28 03:21:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 03:21:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-11-28 03:21:40,068 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 7 [2020-11-28 03:21:40,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:40,068 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-11-28 03:21:40,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-11-28 03:21:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 03:21:40,069 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:40,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:40,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:21:40,070 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:40,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:40,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1440726131, now seen corresponding path program 1 times [2020-11-28 03:21:40,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:40,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175241821] [2020-11-28 03:21:40,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:40,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175241821] [2020-11-28 03:21:40,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:40,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:40,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302912863] [2020-11-28 03:21:40,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:40,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:40,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:40,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:40,127 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 4 states. [2020-11-28 03:21:40,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:40,328 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-11-28 03:21:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:40,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-28 03:21:40,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:40,330 INFO L225 Difference]: With dead ends: 105 [2020-11-28 03:21:40,330 INFO L226 Difference]: Without dead ends: 104 [2020-11-28 03:21:40,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-28 03:21:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2020-11-28 03:21:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-28 03:21:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2020-11-28 03:21:40,338 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 8 [2020-11-28 03:21:40,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:40,338 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2020-11-28 03:21:40,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2020-11-28 03:21:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:21:40,340 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:40,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:40,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:21:40,341 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:40,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:40,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2098770931, now seen corresponding path program 1 times [2020-11-28 03:21:40,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:40,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099078934] [2020-11-28 03:21:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:40,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099078934] [2020-11-28 03:21:40,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:40,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:21:40,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638294430] [2020-11-28 03:21:40,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:21:40,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:40,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:21:40,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:40,388 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 5 states. [2020-11-28 03:21:40,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:40,763 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2020-11-28 03:21:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:21:40,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-28 03:21:40,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:40,765 INFO L225 Difference]: With dead ends: 150 [2020-11-28 03:21:40,765 INFO L226 Difference]: Without dead ends: 144 [2020-11-28 03:21:40,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:40,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-11-28 03:21:40,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2020-11-28 03:21:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-28 03:21:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2020-11-28 03:21:40,787 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 10 [2020-11-28 03:21:40,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:40,788 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2020-11-28 03:21:40,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:21:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2020-11-28 03:21:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:21:40,789 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:40,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:40,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:21:40,791 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:40,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1064053241, now seen corresponding path program 1 times [2020-11-28 03:21:40,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:40,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364791572] [2020-11-28 03:21:40,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:40,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364791572] [2020-11-28 03:21:40,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:40,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:21:40,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382056692] [2020-11-28 03:21:40,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:21:40,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:40,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:21:40,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:40,872 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 5 states. [2020-11-28 03:21:41,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:41,063 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2020-11-28 03:21:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:21:41,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-28 03:21:41,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:41,065 INFO L225 Difference]: With dead ends: 114 [2020-11-28 03:21:41,065 INFO L226 Difference]: Without dead ends: 113 [2020-11-28 03:21:41,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:41,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-28 03:21:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2020-11-28 03:21:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-28 03:21:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2020-11-28 03:21:41,072 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 11 [2020-11-28 03:21:41,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:41,072 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2020-11-28 03:21:41,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:21:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2020-11-28 03:21:41,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:21:41,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:41,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:41,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:21:41,074 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:41,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:41,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1649017929, now seen corresponding path program 1 times [2020-11-28 03:21:41,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:41,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940844552] [2020-11-28 03:21:41,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:41,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940844552] [2020-11-28 03:21:41,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:41,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:21:41,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516059737] [2020-11-28 03:21:41,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:21:41,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:41,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:21:41,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:41,162 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 6 states. [2020-11-28 03:21:41,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:41,499 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2020-11-28 03:21:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:21:41,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-28 03:21:41,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:41,500 INFO L225 Difference]: With dead ends: 168 [2020-11-28 03:21:41,501 INFO L226 Difference]: Without dead ends: 163 [2020-11-28 03:21:41,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:41,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-28 03:21:41,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 108. [2020-11-28 03:21:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-28 03:21:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2020-11-28 03:21:41,507 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 13 [2020-11-28 03:21:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:41,507 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2020-11-28 03:21:41,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:21:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2020-11-28 03:21:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:21:41,508 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:41,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:41,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:21:41,508 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:41,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:41,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1943421695, now seen corresponding path program 1 times [2020-11-28 03:21:41,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:41,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714978777] [2020-11-28 03:21:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:41,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714978777] [2020-11-28 03:21:41,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:41,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:21:41,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381017104] [2020-11-28 03:21:41,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:21:41,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:41,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:21:41,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:41,590 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand 6 states. [2020-11-28 03:21:41,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:41,781 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2020-11-28 03:21:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:21:41,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-28 03:21:41,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:41,783 INFO L225 Difference]: With dead ends: 117 [2020-11-28 03:21:41,783 INFO L226 Difference]: Without dead ends: 116 [2020-11-28 03:21:41,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-28 03:21:41,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 107. [2020-11-28 03:21:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-28 03:21:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2020-11-28 03:21:41,788 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 14 [2020-11-28 03:21:41,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:41,789 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2020-11-28 03:21:41,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:21:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2020-11-28 03:21:41,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:21:41,790 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:41,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:41,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:21:41,791 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:41,803 INFO L82 PathProgramCache]: Analyzing trace with hash -57105471, now seen corresponding path program 1 times [2020-11-28 03:21:41,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:41,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004260268] [2020-11-28 03:21:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:41,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004260268] [2020-11-28 03:21:41,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:41,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:21:41,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595100937] [2020-11-28 03:21:41,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:21:41,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:41,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:21:41,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:21:41,901 INFO L87 Difference]: Start difference. First operand 107 states and 116 transitions. Second operand 7 states. [2020-11-28 03:21:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:42,355 INFO L93 Difference]: Finished difference Result 183 states and 192 transitions. [2020-11-28 03:21:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:21:42,356 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-11-28 03:21:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:42,357 INFO L225 Difference]: With dead ends: 183 [2020-11-28 03:21:42,358 INFO L226 Difference]: Without dead ends: 179 [2020-11-28 03:21:42,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:21:42,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-11-28 03:21:42,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 105. [2020-11-28 03:21:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-28 03:21:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2020-11-28 03:21:42,363 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 16 [2020-11-28 03:21:42,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:42,364 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2020-11-28 03:21:42,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:21:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2020-11-28 03:21:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:21:42,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:42,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:42,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:21:42,366 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:42,367 INFO L82 PathProgramCache]: Analyzing trace with hash -316464313, now seen corresponding path program 1 times [2020-11-28 03:21:42,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:42,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875927846] [2020-11-28 03:21:42,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:42,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875927846] [2020-11-28 03:21:42,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:42,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:21:42,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367811471] [2020-11-28 03:21:42,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:21:42,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:42,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:21:42,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:21:42,423 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 7 states. [2020-11-28 03:21:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:42,657 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2020-11-28 03:21:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:21:42,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-11-28 03:21:42,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:42,659 INFO L225 Difference]: With dead ends: 114 [2020-11-28 03:21:42,659 INFO L226 Difference]: Without dead ends: 113 [2020-11-28 03:21:42,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:21:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-28 03:21:42,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2020-11-28 03:21:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-28 03:21:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2020-11-28 03:21:42,664 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 17 [2020-11-28 03:21:42,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:42,664 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2020-11-28 03:21:42,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:21:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2020-11-28 03:21:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:21:42,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:42,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:42,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:21:42,666 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:42,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:42,670 INFO L82 PathProgramCache]: Analyzing trace with hash -421937723, now seen corresponding path program 1 times [2020-11-28 03:21:42,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:42,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752328740] [2020-11-28 03:21:42,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:42,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752328740] [2020-11-28 03:21:42,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:42,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:21:42,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901820470] [2020-11-28 03:21:42,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:21:42,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:42,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:21:42,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:21:42,764 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 8 states. [2020-11-28 03:21:43,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:43,314 INFO L93 Difference]: Finished difference Result 195 states and 204 transitions. [2020-11-28 03:21:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:21:43,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-11-28 03:21:43,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:43,317 INFO L225 Difference]: With dead ends: 195 [2020-11-28 03:21:43,317 INFO L226 Difference]: Without dead ends: 192 [2020-11-28 03:21:43,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:21:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-28 03:21:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 96. [2020-11-28 03:21:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 03:21:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-11-28 03:21:43,321 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 19 [2020-11-28 03:21:43,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:43,321 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-11-28 03:21:43,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:21:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-11-28 03:21:43,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:21:43,322 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:43,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:43,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:21:43,328 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:43,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:43,328 INFO L82 PathProgramCache]: Analyzing trace with hash -335018609, now seen corresponding path program 1 times [2020-11-28 03:21:43,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:43,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660017962] [2020-11-28 03:21:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:43,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660017962] [2020-11-28 03:21:43,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:43,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:21:43,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272381200] [2020-11-28 03:21:43,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:21:43,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:43,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:21:43,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:21:43,429 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 8 states. [2020-11-28 03:21:43,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:43,626 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-11-28 03:21:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:21:43,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2020-11-28 03:21:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:43,628 INFO L225 Difference]: With dead ends: 105 [2020-11-28 03:21:43,628 INFO L226 Difference]: Without dead ends: 104 [2020-11-28 03:21:43,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:21:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-28 03:21:43,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2020-11-28 03:21:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-28 03:21:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2020-11-28 03:21:43,632 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 20 [2020-11-28 03:21:43,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:43,632 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2020-11-28 03:21:43,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:21:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2020-11-28 03:21:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:21:43,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:43,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:43,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:21:43,633 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:43,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:43,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1422683023, now seen corresponding path program 1 times [2020-11-28 03:21:43,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:43,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380520074] [2020-11-28 03:21:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:43,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380520074] [2020-11-28 03:21:43,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:43,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-28 03:21:43,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515046139] [2020-11-28 03:21:43,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:21:43,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:43,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:21:43,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:21:43,745 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 9 states. [2020-11-28 03:21:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:44,357 INFO L93 Difference]: Finished difference Result 204 states and 213 transitions. [2020-11-28 03:21:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:21:44,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-11-28 03:21:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:44,360 INFO L225 Difference]: With dead ends: 204 [2020-11-28 03:21:44,360 INFO L226 Difference]: Without dead ends: 202 [2020-11-28 03:21:44,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:21:44,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-11-28 03:21:44,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 81. [2020-11-28 03:21:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-28 03:21:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2020-11-28 03:21:44,365 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 22 [2020-11-28 03:21:44,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:44,365 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2020-11-28 03:21:44,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:21:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2020-11-28 03:21:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:21:44,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:44,366 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:44,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:21:44,366 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:44,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:44,371 INFO L82 PathProgramCache]: Analyzing trace with hash 964744341, now seen corresponding path program 1 times [2020-11-28 03:21:44,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:44,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925217696] [2020-11-28 03:21:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:44,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925217696] [2020-11-28 03:21:44,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:44,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-28 03:21:44,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413823404] [2020-11-28 03:21:44,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:21:44,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:44,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:21:44,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:21:44,532 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 9 states. [2020-11-28 03:21:44,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:44,779 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2020-11-28 03:21:44,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:21:44,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-28 03:21:44,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:44,780 INFO L225 Difference]: With dead ends: 90 [2020-11-28 03:21:44,781 INFO L226 Difference]: Without dead ends: 89 [2020-11-28 03:21:44,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:21:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-28 03:21:44,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2020-11-28 03:21:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-28 03:21:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2020-11-28 03:21:44,787 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 23 [2020-11-28 03:21:44,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:44,788 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2020-11-28 03:21:44,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:21:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2020-11-28 03:21:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:21:44,789 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:44,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:44,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:21:44,790 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:44,790 INFO L82 PathProgramCache]: Analyzing trace with hash 412788691, now seen corresponding path program 1 times [2020-11-28 03:21:44,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:44,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978999716] [2020-11-28 03:21:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:44,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978999716] [2020-11-28 03:21:44,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:44,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-28 03:21:44,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620330528] [2020-11-28 03:21:44,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 03:21:44,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:44,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:21:44,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:21:44,909 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 10 states. [2020-11-28 03:21:45,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:45,480 INFO L93 Difference]: Finished difference Result 210 states and 219 transitions. [2020-11-28 03:21:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:21:45,481 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-11-28 03:21:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:45,482 INFO L225 Difference]: With dead ends: 210 [2020-11-28 03:21:45,482 INFO L226 Difference]: Without dead ends: 209 [2020-11-28 03:21:45,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:21:45,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-11-28 03:21:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 60. [2020-11-28 03:21:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 03:21:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2020-11-28 03:21:45,486 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 25 [2020-11-28 03:21:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:45,486 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2020-11-28 03:21:45,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 03:21:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2020-11-28 03:21:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:21:45,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:45,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:45,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-28 03:21:45,490 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:45,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1222339043, now seen corresponding path program 1 times [2020-11-28 03:21:45,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:45,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623491345] [2020-11-28 03:21:45,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:45,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623491345] [2020-11-28 03:21:45,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:45,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-28 03:21:45,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376346094] [2020-11-28 03:21:45,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 03:21:45,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:45,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:21:45,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:21:45,602 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 10 states. [2020-11-28 03:21:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:45,773 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2020-11-28 03:21:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:21:45,774 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-11-28 03:21:45,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:45,775 INFO L225 Difference]: With dead ends: 69 [2020-11-28 03:21:45,775 INFO L226 Difference]: Without dead ends: 68 [2020-11-28 03:21:45,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:21:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-11-28 03:21:45,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 59. [2020-11-28 03:21:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 03:21:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2020-11-28 03:21:45,777 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 26 [2020-11-28 03:21:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:45,777 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2020-11-28 03:21:45,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 03:21:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2020-11-28 03:21:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 03:21:45,777 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:45,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:45,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-28 03:21:45,778 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:45,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:45,778 INFO L82 PathProgramCache]: Analyzing trace with hash 896666621, now seen corresponding path program 1 times [2020-11-28 03:21:45,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:45,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269306028] [2020-11-28 03:21:45,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:45,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269306028] [2020-11-28 03:21:45,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:45,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-28 03:21:45,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027029480] [2020-11-28 03:21:45,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-28 03:21:45,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:45,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-28 03:21:45,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:21:45,924 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 12 states. [2020-11-28 03:21:46,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:46,703 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2020-11-28 03:21:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-28 03:21:46,703 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2020-11-28 03:21:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:46,704 INFO L225 Difference]: With dead ends: 200 [2020-11-28 03:21:46,704 INFO L226 Difference]: Without dead ends: 199 [2020-11-28 03:21:46,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2020-11-28 03:21:46,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-11-28 03:21:46,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 58. [2020-11-28 03:21:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-28 03:21:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-11-28 03:21:46,708 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 28 [2020-11-28 03:21:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:46,708 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-11-28 03:21:46,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-28 03:21:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-11-28 03:21:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 03:21:46,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:46,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:46,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-28 03:21:46,709 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:46,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:46,710 INFO L82 PathProgramCache]: Analyzing trace with hash 2026861636, now seen corresponding path program 1 times [2020-11-28 03:21:46,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:46,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558692999] [2020-11-28 03:21:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:46,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558692999] [2020-11-28 03:21:46,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:46,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:46,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215421313] [2020-11-28 03:21:46,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:21:46,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:46,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:21:46,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:46,754 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 5 states. [2020-11-28 03:21:46,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:46,897 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2020-11-28 03:21:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:21:46,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-11-28 03:21:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:46,898 INFO L225 Difference]: With dead ends: 76 [2020-11-28 03:21:46,898 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:21:46,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:21:46,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:21:46,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 61. [2020-11-28 03:21:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-11-28 03:21:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-11-28 03:21:46,901 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 29 [2020-11-28 03:21:46,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:46,901 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-11-28 03:21:46,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:21:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-11-28 03:21:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 03:21:46,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:46,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:46,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-28 03:21:46,902 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:46,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:46,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1969538558, now seen corresponding path program 1 times [2020-11-28 03:21:46,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:46,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56637368] [2020-11-28 03:21:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:46,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:46,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:46,933 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:46,933 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:21:46,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-28 03:21:46,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:46 BoogieIcfgContainer [2020-11-28 03:21:46,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:21:46,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:46,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:46,954 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:46,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:38" (3/4) ... [2020-11-28 03:21:46,957 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:21:46,996 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_75c9b26b-ef5f-4802-8f62-a67380c33630/bin/uautomizer/witness.graphml [2020-11-28 03:21:46,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:46,998 INFO L168 Benchmark]: Toolchain (without parser) took 9502.26 ms. Allocated memory was 88.1 MB in the beginning and 138.4 MB in the end (delta: 50.3 MB). Free memory was 64.2 MB in the beginning and 79.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:46,998 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 88.1 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:46,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.90 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 54.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:46,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 53.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:47,000 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 ms. Allocated memory is still 88.1 MB. Free memory was 53.4 MB in the beginning and 52.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:47,000 INFO L168 Benchmark]: RCFGBuilder took 538.75 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 94.7 MB in the end (delta: -42.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:47,001 INFO L168 Benchmark]: TraceAbstraction took 8643.19 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 94.1 MB in the beginning and 81.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:47,001 INFO L168 Benchmark]: Witness Printer took 41.82 ms. Allocated memory is still 138.4 MB. Free memory was 81.1 MB in the beginning and 79.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:47,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 88.1 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 210.90 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 54.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 53.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.12 ms. Allocated memory is still 88.1 MB. Free memory was 53.4 MB in the beginning and 52.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 538.75 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 94.7 MB in the end (delta: -42.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8643.19 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 94.1 MB in the beginning and 81.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * Witness Printer took 41.82 ms. Allocated memory is still 138.4 MB. Free memory was 81.1 MB in the beginning and 79.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND FALSE !(x > 0) [L27] EXPR x - 1 [L27] x = x - 1 [L29] COND FALSE !(x > 0) [L32] EXPR x - 1 [L32] x = x - 1 [L34] COND FALSE !(x > 0) [L37] EXPR x - 1 [L37] x = x - 1 [L39] COND FALSE !(x > 0) [L42] EXPR x - 1 [L42] x = x - 1 [L44] COND FALSE !(x > 0) [L47] EXPR x - 1 [L47] x = x - 1 [L49] COND FALSE !(x > 0) [L52] EXPR x - 1 [L52] x = x - 1 [L54] COND FALSE !(x > 0) [L57] EXPR x - 1 [L57] x = x - 1 [L59] COND FALSE !(x > 0) [L62] EXPR x - 1 [L62] x = x - 1 [L64] COND TRUE y<100 && z<100 [L65] y+x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.5s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 464 SDtfs, 1479 SDslu, 162 SDs, 0 SdLazy, 5505 SolverSat, 577 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 812 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 21390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...