./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/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 32bit --witnessprinter.graph.data.programhash 63854123d7ab77bd9f32ab7eefa710cb72f6a12a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:50,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:50,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:50,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:50,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:50,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:50,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:50,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:50,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:50,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:50,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:50,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:50,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:50,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:50,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:50,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:50,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:50,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:50,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:50,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:50,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:50,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:50,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:50,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:50,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:50,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:50,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:50,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:50,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:50,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:50,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:50,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:50,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:50,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:50,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:50,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:50,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:50,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:50,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:50,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:50,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:50,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 02:56:50,531 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:50,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:50,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:50,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:50,534 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:50,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:50,535 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:50,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:56:50,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:50,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:50,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:50,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:50,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:50,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:50,538 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 02:56:50,538 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:50,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:50,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:50,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:50,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:50,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:50,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:50,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:50,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:50,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:50,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:50,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:50,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:50,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:50,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:50,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:50,541 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_a2ce7088-2c79-44a5-95d8-bacc21f43d27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63854123d7ab77bd9f32ab7eefa710cb72f6a12a [2020-11-28 02:56:50,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:50,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:50,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:50,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:50,830 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:50,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2020-11-28 02:56:50,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/data/0801678e4/10f7f7c260e047a6963eaa15ec270bef/FLAG8133fdcbe [2020-11-28 02:56:51,428 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:51,429 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2020-11-28 02:56:51,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/data/0801678e4/10f7f7c260e047a6963eaa15ec270bef/FLAG8133fdcbe [2020-11-28 02:56:51,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/data/0801678e4/10f7f7c260e047a6963eaa15ec270bef [2020-11-28 02:56:51,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:51,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:51,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:51,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:51,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:51,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:51" (1/1) ... [2020-11-28 02:56:51,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa4fcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:51, skipping insertion in model container [2020-11-28 02:56:51,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:51" (1/1) ... [2020-11-28 02:56:51,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:51,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:52,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:52,030 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:52,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:52,087 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:52,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52 WrapperNode [2020-11-28 02:56:52,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:52,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:52,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:52,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:52,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:52,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:52,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:52,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:52,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:52,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:52,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:52,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:52,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/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 02:56:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:53,228 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:53,229 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-28 02:56:53,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:53 BoogieIcfgContainer [2020-11-28 02:56:53,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:53,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:53,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:53,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:53,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:51" (1/3) ... [2020-11-28 02:56:53,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a332a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:53, skipping insertion in model container [2020-11-28 02:56:53,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (2/3) ... [2020-11-28 02:56:53,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a332a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:53, skipping insertion in model container [2020-11-28 02:56:53,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:53" (3/3) ... [2020-11-28 02:56:53,239 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2020-11-28 02:56:53,250 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:53,254 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2020-11-28 02:56:53,269 INFO L253 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2020-11-28 02:56:53,318 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:53,318 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:53,318 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:53,318 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:53,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:53,319 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:53,319 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:53,319 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-11-28 02:56:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 02:56:53,395 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:53,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:53,396 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:53,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:53,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2020-11-28 02:56:53,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:53,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926207717] [2020-11-28 02:56:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:53,568 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 02:56:53,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926207717] [2020-11-28 02:56:53,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:53,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:53,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005531700] [2020-11-28 02:56:53,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:56:53,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:53,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:56:53,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:53,593 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2020-11-28 02:56:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:53,627 INFO L93 Difference]: Finished difference Result 291 states and 381 transitions. [2020-11-28 02:56:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:56:53,629 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-28 02:56:53,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:53,641 INFO L225 Difference]: With dead ends: 291 [2020-11-28 02:56:53,641 INFO L226 Difference]: Without dead ends: 131 [2020-11-28 02:56:53,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-28 02:56:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-28 02:56:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-28 02:56:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2020-11-28 02:56:53,688 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 7 [2020-11-28 02:56:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:53,689 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2020-11-28 02:56:53,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:56:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2020-11-28 02:56:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 02:56:53,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:53,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:53,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:53,691 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:53,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:53,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2020-11-28 02:56:53,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:53,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569865846] [2020-11-28 02:56:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:53,790 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 02:56:53,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569865846] [2020-11-28 02:56:53,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:53,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:53,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245096919] [2020-11-28 02:56:53,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:53,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:53,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:53,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:53,794 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 3 states. [2020-11-28 02:56:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:53,984 INFO L93 Difference]: Finished difference Result 259 states and 304 transitions. [2020-11-28 02:56:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:53,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-28 02:56:53,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:53,987 INFO L225 Difference]: With dead ends: 259 [2020-11-28 02:56:53,988 INFO L226 Difference]: Without dead ends: 145 [2020-11-28 02:56:53,989 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 02:56:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-11-28 02:56:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2020-11-28 02:56:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-11-28 02:56:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-11-28 02:56:54,005 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 7 [2020-11-28 02:56:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:54,006 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-11-28 02:56:54,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-11-28 02:56:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 02:56:54,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:54,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:54,008 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:54,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,009 INFO L82 PathProgramCache]: Analyzing trace with hash -866677448, now seen corresponding path program 1 times [2020-11-28 02:56:54,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57742511] [2020-11-28 02:56:54,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,089 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 02:56:54,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57742511] [2020-11-28 02:56:54,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:54,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90926495] [2020-11-28 02:56:54,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:54,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:54,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:54,092 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 4 states. [2020-11-28 02:56:54,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:54,292 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2020-11-28 02:56:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:54,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-28 02:56:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:54,297 INFO L225 Difference]: With dead ends: 220 [2020-11-28 02:56:54,300 INFO L226 Difference]: Without dead ends: 213 [2020-11-28 02:56:54,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:54,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-28 02:56:54,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2020-11-28 02:56:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-28 02:56:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-11-28 02:56:54,328 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 10 [2020-11-28 02:56:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:54,329 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-11-28 02:56:54,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-11-28 02:56:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:56:54,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:54,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:54,332 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1097196978, now seen corresponding path program 1 times [2020-11-28 02:56:54,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143011416] [2020-11-28 02:56:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,405 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 02:56:54,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143011416] [2020-11-28 02:56:54,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:54,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589009516] [2020-11-28 02:56:54,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:54,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:54,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:54,408 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states. [2020-11-28 02:56:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:54,517 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2020-11-28 02:56:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:54,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-28 02:56:54,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:54,519 INFO L225 Difference]: With dead ends: 212 [2020-11-28 02:56:54,519 INFO L226 Difference]: Without dead ends: 207 [2020-11-28 02:56:54,520 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 02:56:54,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-11-28 02:56:54,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 136. [2020-11-28 02:56:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-28 02:56:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-11-28 02:56:54,533 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 11 [2020-11-28 02:56:54,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:54,534 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-11-28 02:56:54,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-11-28 02:56:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:56:54,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:54,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:54,536 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1234080256, now seen corresponding path program 1 times [2020-11-28 02:56:54,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165790350] [2020-11-28 02:56:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,597 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 02:56:54,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165790350] [2020-11-28 02:56:54,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:54,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937629958] [2020-11-28 02:56:54,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:54,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:54,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:54,600 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 4 states. [2020-11-28 02:56:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:54,704 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2020-11-28 02:56:54,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:54,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-28 02:56:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:54,707 INFO L225 Difference]: With dead ends: 208 [2020-11-28 02:56:54,707 INFO L226 Difference]: Without dead ends: 206 [2020-11-28 02:56:54,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-11-28 02:56:54,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 138. [2020-11-28 02:56:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-28 02:56:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2020-11-28 02:56:54,720 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 12 [2020-11-28 02:56:54,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:54,720 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2020-11-28 02:56:54,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2020-11-28 02:56:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:56:54,722 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:54,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:54,723 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1595344206, now seen corresponding path program 1 times [2020-11-28 02:56:54,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283679150] [2020-11-28 02:56:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,762 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 02:56:54,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283679150] [2020-11-28 02:56:54,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:54,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778830141] [2020-11-28 02:56:54,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:54,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:54,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:54,764 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand 4 states. [2020-11-28 02:56:54,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:54,906 INFO L93 Difference]: Finished difference Result 329 states and 382 transitions. [2020-11-28 02:56:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:54,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-28 02:56:54,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:54,908 INFO L225 Difference]: With dead ends: 329 [2020-11-28 02:56:54,909 INFO L226 Difference]: Without dead ends: 219 [2020-11-28 02:56:54,910 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 02:56:54,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-11-28 02:56:54,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 143. [2020-11-28 02:56:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-11-28 02:56:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2020-11-28 02:56:54,920 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 12 [2020-11-28 02:56:54,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:54,921 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2020-11-28 02:56:54,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2020-11-28 02:56:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 02:56:54,922 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:54,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:56:54,923 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:54,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2056836231, now seen corresponding path program 1 times [2020-11-28 02:56:54,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039728844] [2020-11-28 02:56:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,980 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 02:56:54,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039728844] [2020-11-28 02:56:54,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:54,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841974806] [2020-11-28 02:56:54,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:54,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:54,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:54,982 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand 4 states. [2020-11-28 02:56:55,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,090 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2020-11-28 02:56:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:55,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-28 02:56:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,093 INFO L225 Difference]: With dead ends: 217 [2020-11-28 02:56:55,093 INFO L226 Difference]: Without dead ends: 215 [2020-11-28 02:56:55,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-11-28 02:56:55,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 146. [2020-11-28 02:56:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-28 02:56:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 174 transitions. [2020-11-28 02:56:55,104 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 174 transitions. Word has length 13 [2020-11-28 02:56:55,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,105 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 174 transitions. [2020-11-28 02:56:55,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 174 transitions. [2020-11-28 02:56:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 02:56:55,107 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,108 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:56:55,108 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:55,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,109 INFO L82 PathProgramCache]: Analyzing trace with hash 465285246, now seen corresponding path program 1 times [2020-11-28 02:56:55,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644071624] [2020-11-28 02:56:55,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:55,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644071624] [2020-11-28 02:56:55,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483428893] [2020-11-28 02:56:55,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2ce7088-2c79-44a5-95d8-bacc21f43d27/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:56:55,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:55,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:55,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:55,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163271572] [2020-11-28 02:56:55,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:55,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:55,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:55,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:55,374 INFO L87 Difference]: Start difference. First operand 146 states and 174 transitions. Second operand 4 states. [2020-11-28 02:56:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,533 INFO L93 Difference]: Finished difference Result 281 states and 324 transitions. [2020-11-28 02:56:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:55,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-28 02:56:55,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,536 INFO L225 Difference]: With dead ends: 281 [2020-11-28 02:56:55,536 INFO L226 Difference]: Without dead ends: 278 [2020-11-28 02:56:55,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 02:56:55,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-11-28 02:56:55,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 133. [2020-11-28 02:56:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-11-28 02:56:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2020-11-28 02:56:55,551 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 13 [2020-11-28 02:56:55,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,551 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2020-11-28 02:56:55,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2020-11-28 02:56:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 02:56:55,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-28 02:56:55,771 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:55,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,772 INFO L82 PathProgramCache]: Analyzing trace with hash -793504392, now seen corresponding path program 1 times [2020-11-28 02:56:55,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003118558] [2020-11-28 02:56:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,860 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 02:56:55,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003118558] [2020-11-28 02:56:55,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:55,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:56:55,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218848647] [2020-11-28 02:56:55,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:56:55,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:55,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:56:55,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:56:55,863 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand 7 states. [2020-11-28 02:56:56,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:56,168 INFO L93 Difference]: Finished difference Result 293 states and 344 transitions. [2020-11-28 02:56:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 02:56:56,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-28 02:56:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:56,170 INFO L225 Difference]: With dead ends: 293 [2020-11-28 02:56:56,170 INFO L226 Difference]: Without dead ends: 219 [2020-11-28 02:56:56,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-11-28 02:56:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-11-28 02:56:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 177. [2020-11-28 02:56:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-28 02:56:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 216 transitions. [2020-11-28 02:56:56,187 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 216 transitions. Word has length 15 [2020-11-28 02:56:56,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:56,187 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 216 transitions. [2020-11-28 02:56:56,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:56:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 216 transitions. [2020-11-28 02:56:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 02:56:56,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:56,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:56,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:56:56,192 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:56,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:56,193 INFO L82 PathProgramCache]: Analyzing trace with hash -47207071, now seen corresponding path program 1 times [2020-11-28 02:56:56,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:56,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205123228] [2020-11-28 02:56:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,237 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 02:56:56,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205123228] [2020-11-28 02:56:56,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:56,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:56,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702347408] [2020-11-28 02:56:56,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:56,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:56,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:56,240 INFO L87 Difference]: Start difference. First operand 177 states and 216 transitions. Second operand 4 states. [2020-11-28 02:56:56,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:56,386 INFO L93 Difference]: Finished difference Result 284 states and 338 transitions. [2020-11-28 02:56:56,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:56,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-28 02:56:56,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:56,389 INFO L225 Difference]: With dead ends: 284 [2020-11-28 02:56:56,389 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 02:56:56,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:56,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 02:56:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 182. [2020-11-28 02:56:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-28 02:56:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 220 transitions. [2020-11-28 02:56:56,407 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 220 transitions. Word has length 15 [2020-11-28 02:56:56,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:56,407 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 220 transitions. [2020-11-28 02:56:56,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 220 transitions. [2020-11-28 02:56:56,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 02:56:56,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:56,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:56,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:56:56,410 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:56,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:56,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1418335763, now seen corresponding path program 1 times [2020-11-28 02:56:56,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:56,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211062245] [2020-11-28 02:56:56,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,467 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 02:56:56,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211062245] [2020-11-28 02:56:56,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:56,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:56,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756112059] [2020-11-28 02:56:56,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:56,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:56,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:56,469 INFO L87 Difference]: Start difference. First operand 182 states and 220 transitions. Second operand 4 states. [2020-11-28 02:56:56,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:56,591 INFO L93 Difference]: Finished difference Result 373 states and 439 transitions. [2020-11-28 02:56:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:56,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-28 02:56:56,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:56,594 INFO L225 Difference]: With dead ends: 373 [2020-11-28 02:56:56,594 INFO L226 Difference]: Without dead ends: 370 [2020-11-28 02:56:56,595 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 02:56:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-28 02:56:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 167. [2020-11-28 02:56:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-11-28 02:56:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 204 transitions. [2020-11-28 02:56:56,610 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 204 transitions. Word has length 15 [2020-11-28 02:56:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:56,611 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 204 transitions. [2020-11-28 02:56:56,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 204 transitions. [2020-11-28 02:56:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 02:56:56,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:56,612 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] [2020-11-28 02:56:56,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:56:56,612 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:56,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:56,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1101296279, now seen corresponding path program 1 times [2020-11-28 02:56:56,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:56,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140899267] [2020-11-28 02:56:56,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,779 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 02:56:56,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140899267] [2020-11-28 02:56:56,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:56,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:56,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399054457] [2020-11-28 02:56:56,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:56:56,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:56:56,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:56,781 INFO L87 Difference]: Start difference. First operand 167 states and 204 transitions. Second operand 6 states. [2020-11-28 02:56:57,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,011 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2020-11-28 02:56:57,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:56:57,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-11-28 02:56:57,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,014 INFO L225 Difference]: With dead ends: 286 [2020-11-28 02:56:57,014 INFO L226 Difference]: Without dead ends: 285 [2020-11-28 02:56:57,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:56:57,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-28 02:56:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 183. [2020-11-28 02:56:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-11-28 02:56:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2020-11-28 02:56:57,033 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 21 [2020-11-28 02:56:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,034 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2020-11-28 02:56:57,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:56:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2020-11-28 02:56:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:56:57,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,035 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 02:56:57,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:56:57,035 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:57,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1783760179, now seen corresponding path program 1 times [2020-11-28 02:56:57,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721500992] [2020-11-28 02:56:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,117 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 02:56:57,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721500992] [2020-11-28 02:56:57,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:57,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:56:57,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002129038] [2020-11-28 02:56:57,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:56:57,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:56:57,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:56:57,119 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand 7 states. [2020-11-28 02:56:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,329 INFO L93 Difference]: Finished difference Result 225 states and 259 transitions. [2020-11-28 02:56:57,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:56:57,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-28 02:56:57,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,331 INFO L225 Difference]: With dead ends: 225 [2020-11-28 02:56:57,331 INFO L226 Difference]: Without dead ends: 170 [2020-11-28 02:56:57,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:56:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-11-28 02:56:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135. [2020-11-28 02:56:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-28 02:56:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 162 transitions. [2020-11-28 02:56:57,344 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 162 transitions. Word has length 23 [2020-11-28 02:56:57,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,344 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 162 transitions. [2020-11-28 02:56:57,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:56:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 162 transitions. [2020-11-28 02:56:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:56:57,345 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,346 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 02:56:57,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 02:56:57,346 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:57,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1387825709, now seen corresponding path program 1 times [2020-11-28 02:56:57,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062507602] [2020-11-28 02:56:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,402 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 02:56:57,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062507602] [2020-11-28 02:56:57,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:57,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:56:57,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61387712] [2020-11-28 02:56:57,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:56:57,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:56:57,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:56:57,404 INFO L87 Difference]: Start difference. First operand 135 states and 162 transitions. Second operand 7 states. [2020-11-28 02:56:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,557 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2020-11-28 02:56:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:56:57,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-28 02:56:57,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,559 INFO L225 Difference]: With dead ends: 195 [2020-11-28 02:56:57,559 INFO L226 Difference]: Without dead ends: 167 [2020-11-28 02:56:57,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:56:57,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-28 02:56:57,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 141. [2020-11-28 02:56:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-11-28 02:56:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-11-28 02:56:57,573 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 23 [2020-11-28 02:56:57,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,573 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-11-28 02:56:57,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:56:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-11-28 02:56:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:56:57,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,575 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 02:56:57,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 02:56:57,575 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:57,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,576 INFO L82 PathProgramCache]: Analyzing trace with hash -322402664, now seen corresponding path program 1 times [2020-11-28 02:56:57,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157961385] [2020-11-28 02:56:57,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,723 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 02:56:57,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157961385] [2020-11-28 02:56:57,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:57,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:56:57,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087087143] [2020-11-28 02:56:57,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:56:57,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:56:57,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:56:57,725 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 7 states. [2020-11-28 02:56:57,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,991 INFO L93 Difference]: Finished difference Result 259 states and 294 transitions. [2020-11-28 02:56:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:56:57,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-28 02:56:57,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,994 INFO L225 Difference]: With dead ends: 259 [2020-11-28 02:56:57,994 INFO L226 Difference]: Without dead ends: 227 [2020-11-28 02:56:57,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:56:57,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-28 02:56:58,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 144. [2020-11-28 02:56:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-28 02:56:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2020-11-28 02:56:58,011 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 23 [2020-11-28 02:56:58,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:58,011 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2020-11-28 02:56:58,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:56:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2020-11-28 02:56:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:56:58,013 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:58,013 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 02:56:58,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 02:56:58,014 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:56:58,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash -322343082, now seen corresponding path program 1 times [2020-11-28 02:56:58,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818714386] [2020-11-28 02:56:58,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:58,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818714386] [2020-11-28 02:56:58,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:58,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:56:58,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212199832] [2020-11-28 02:56:58,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:56:58,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:58,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:56:58,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:56:58,179 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 7 states. [2020-11-28 02:57:00,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:00,615 INFO L93 Difference]: Finished difference Result 410 states and 466 transitions. [2020-11-28 02:57:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:57:00,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-28 02:57:00,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:00,619 INFO L225 Difference]: With dead ends: 410 [2020-11-28 02:57:00,619 INFO L226 Difference]: Without dead ends: 409 [2020-11-28 02:57:00,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-11-28 02:57:00,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-28 02:57:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 170. [2020-11-28 02:57:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-28 02:57:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 205 transitions. [2020-11-28 02:57:00,636 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 205 transitions. Word has length 23 [2020-11-28 02:57:00,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:00,636 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 205 transitions. [2020-11-28 02:57:00,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:57:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2020-11-28 02:57:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:57:00,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:00,647 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 02:57:00,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-28 02:57:00,647 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:00,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:00,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1977052851, now seen corresponding path program 1 times [2020-11-28 02:57:00,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:00,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219983860] [2020-11-28 02:57:00,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:00,815 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 02:57:00,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219983860] [2020-11-28 02:57:00,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:00,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:57:00,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764894967] [2020-11-28 02:57:00,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:57:00,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:00,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:57:00,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:00,817 INFO L87 Difference]: Start difference. First operand 170 states and 205 transitions. Second operand 7 states. [2020-11-28 02:57:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:01,212 INFO L93 Difference]: Finished difference Result 461 states and 517 transitions. [2020-11-28 02:57:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 02:57:01,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-11-28 02:57:01,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:01,216 INFO L225 Difference]: With dead ends: 461 [2020-11-28 02:57:01,216 INFO L226 Difference]: Without dead ends: 460 [2020-11-28 02:57:01,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-28 02:57:01,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-11-28 02:57:01,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 213. [2020-11-28 02:57:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-11-28 02:57:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 263 transitions. [2020-11-28 02:57:01,238 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 263 transitions. Word has length 25 [2020-11-28 02:57:01,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:01,238 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 263 transitions. [2020-11-28 02:57:01,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:57:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 263 transitions. [2020-11-28 02:57:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:57:01,239 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:01,239 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 02:57:01,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-28 02:57:01,240 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:01,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,240 INFO L82 PathProgramCache]: Analyzing trace with hash -591306022, now seen corresponding path program 1 times [2020-11-28 02:57:01,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:01,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847530518] [2020-11-28 02:57:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:01,398 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 02:57:01,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847530518] [2020-11-28 02:57:01,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:01,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:57:01,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152449699] [2020-11-28 02:57:01,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:57:01,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:01,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:57:01,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:57:01,400 INFO L87 Difference]: Start difference. First operand 213 states and 263 transitions. Second operand 8 states. [2020-11-28 02:57:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:01,997 INFO L93 Difference]: Finished difference Result 494 states and 551 transitions. [2020-11-28 02:57:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 02:57:01,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-28 02:57:01,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:02,000 INFO L225 Difference]: With dead ends: 494 [2020-11-28 02:57:02,000 INFO L226 Difference]: Without dead ends: 427 [2020-11-28 02:57:02,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-11-28 02:57:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-11-28 02:57:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 210. [2020-11-28 02:57:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-28 02:57:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2020-11-28 02:57:02,024 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 25 [2020-11-28 02:57:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:02,025 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2020-11-28 02:57:02,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:57:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2020-11-28 02:57:02,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:57:02,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:02,026 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 02:57:02,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-28 02:57:02,027 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:02,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:02,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1716642380, now seen corresponding path program 1 times [2020-11-28 02:57:02,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:02,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913651672] [2020-11-28 02:57:02,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,166 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 02:57:02,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913651672] [2020-11-28 02:57:02,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:02,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:57:02,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303622363] [2020-11-28 02:57:02,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:57:02,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:02,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:57:02,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:02,167 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 7 states. [2020-11-28 02:57:02,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:02,661 INFO L93 Difference]: Finished difference Result 314 states and 377 transitions. [2020-11-28 02:57:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:57:02,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-11-28 02:57:02,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:02,664 INFO L225 Difference]: With dead ends: 314 [2020-11-28 02:57:02,664 INFO L226 Difference]: Without dead ends: 313 [2020-11-28 02:57:02,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:57:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-11-28 02:57:02,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 210. [2020-11-28 02:57:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-28 02:57:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 255 transitions. [2020-11-28 02:57:02,695 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 255 transitions. Word has length 25 [2020-11-28 02:57:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:02,695 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 255 transitions. [2020-11-28 02:57:02,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:57:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 255 transitions. [2020-11-28 02:57:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:57:02,696 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:02,696 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] [2020-11-28 02:57:02,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-28 02:57:02,697 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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:02,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:02,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1572233071, now seen corresponding path program 1 times [2020-11-28 02:57:02,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:02,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562729083] [2020-11-28 02:57:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,763 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 02:57:02,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562729083] [2020-11-28 02:57:02,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:02,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:57:02,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369589490] [2020-11-28 02:57:02,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:57:02,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:02,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:57:02,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:02,765 INFO L87 Difference]: Start difference. First operand 210 states and 255 transitions. Second operand 7 states. [2020-11-28 02:57:02,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:02,937 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2020-11-28 02:57:02,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:57:02,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-11-28 02:57:02,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:02,940 INFO L225 Difference]: With dead ends: 242 [2020-11-28 02:57:02,941 INFO L226 Difference]: Without dead ends: 196 [2020-11-28 02:57:02,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:57:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-28 02:57:02,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 190. [2020-11-28 02:57:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-28 02:57:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 231 transitions. [2020-11-28 02:57:02,958 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 231 transitions. Word has length 27 [2020-11-28 02:57:02,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:02,958 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 231 transitions. [2020-11-28 02:57:02,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:57:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 231 transitions. [2020-11-28 02:57:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:57:02,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:02,959 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] [2020-11-28 02:57:02,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-28 02:57:02,960 INFO L429 AbstractCegarLoop]: === Iteration 21 === [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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:02,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:02,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2118741572, now seen corresponding path program 1 times [2020-11-28 02:57:02,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:02,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24786919] [2020-11-28 02:57:02,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:03,316 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 02:57:03,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24786919] [2020-11-28 02:57:03,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:03,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-28 02:57:03,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780879042] [2020-11-28 02:57:03,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-28 02:57:03,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:03,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-28 02:57:03,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:57:03,318 INFO L87 Difference]: Start difference. First operand 190 states and 231 transitions. Second operand 11 states. [2020-11-28 02:57:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:06,490 INFO L93 Difference]: Finished difference Result 318 states and 366 transitions. [2020-11-28 02:57:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-28 02:57:06,490 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-11-28 02:57:06,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:06,492 INFO L225 Difference]: With dead ends: 318 [2020-11-28 02:57:06,493 INFO L226 Difference]: Without dead ends: 315 [2020-11-28 02:57:06,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-11-28 02:57:06,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-11-28 02:57:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 203. [2020-11-28 02:57:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-11-28 02:57:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2020-11-28 02:57:06,515 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 27 [2020-11-28 02:57:06,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:06,515 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2020-11-28 02:57:06,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-28 02:57:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2020-11-28 02:57:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:57:06,517 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:06,517 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] [2020-11-28 02:57:06,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-28 02:57:06,521 INFO L429 AbstractCegarLoop]: === Iteration 22 === [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.startErr36ASSERT_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, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:06,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:06,521 INFO L82 PathProgramCache]: Analyzing trace with hash 350457026, now seen corresponding path program 1 times [2020-11-28 02:57:06,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:06,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088315330] [2020-11-28 02:57:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:06,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:06,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:06,604 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:06,604 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:57:06,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-28 02:57:06,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:06 BoogieIcfgContainer [2020-11-28 02:57:06,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:06,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:06,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:06,677 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:06,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:53" (3/4) ... [2020-11-28 02:57:06,681 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:57:06,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:06,683 INFO L168 Benchmark]: Toolchain (without parser) took 14924.20 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 68.8 MB in the beginning and 80.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 99.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,683 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:06,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.39 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 68.8 MB in the beginning and 92.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.49 ms. Allocated memory is still 117.4 MB. Free memory was 92.2 MB in the beginning and 89.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,685 INFO L168 Benchmark]: Boogie Preprocessor took 79.39 ms. Allocated memory is still 117.4 MB. Free memory was 89.8 MB in the beginning and 87.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,686 INFO L168 Benchmark]: RCFGBuilder took 967.25 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 49.5 MB in the end (delta: 38.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,687 INFO L168 Benchmark]: TraceAbstraction took 13443.97 ms. Allocated memory was 117.4 MB in the beginning and 207.6 MB in the end (delta: 90.2 MB). Free memory was 49.5 MB in the beginning and 80.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 61.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,687 INFO L168 Benchmark]: Witness Printer took 4.54 ms. Allocated memory is still 207.6 MB. Free memory is still 80.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:06,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.39 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 68.8 MB in the beginning and 92.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.49 ms. Allocated memory is still 117.4 MB. Free memory was 92.2 MB in the beginning and 89.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.39 ms. Allocated memory is still 117.4 MB. Free memory was 89.8 MB in the beginning and 87.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 967.25 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 49.5 MB in the end (delta: 38.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13443.97 ms. Allocated memory was 117.4 MB in the beginning and 207.6 MB in the end (delta: 90.2 MB). Free memory was 49.5 MB in the beginning and 80.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 61.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.54 ms. Allocated memory is still 207.6 MB. Free memory is still 80.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 102, overapproximation of bitwiseAnd at line 103. Possible FailurePath: [L218] unsigned int a ; [L219] unsigned int ma = __VERIFIER_nondet_uint(); [L220] signed char ea = __VERIFIER_nondet_char(); [L221] unsigned int b ; [L222] unsigned int mb = __VERIFIER_nondet_uint(); [L223] signed char eb = __VERIFIER_nondet_char(); [L224] unsigned int r_add1 ; [L225] unsigned int r_add2 ; [L226] unsigned int zero ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int __retres14 ; [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND TRUE ! m [L22] __retres4 = 0U [L72] return (__retres4); [L233] zero = base2flt(0, 0) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND TRUE m >= 1U << 25U [L56] COND TRUE e >= 127 [L57] __retres4 = 4294967295U [L72] return (__retres4); [L234] a = base2flt(ma, ea) [L17] unsigned int res ; [L18] unsigned int __retres4 ; [L21] COND FALSE !(! m) [L27] COND FALSE !(m < 1U << 24U) [L49] COND TRUE 1 [L51] COND FALSE !(m >= 1U << 25U) [L68] m = m & ~ (1U << 24U) [L69] EXPR e + 128 [L69] res = m | ((unsigned int )(e + 128) << 24U) [L70] __retres4 = res [L72] return (__retres4); [L235] b = base2flt(mb, eb) [L76] unsigned int res ; [L77] unsigned int ma ; [L78] unsigned int mb ; [L79] unsigned int delta ; [L80] int ea ; [L81] int eb ; [L82] unsigned int tmp ; [L83] unsigned int __retres10 ; [L86] COND FALSE !(a < b) [L93] COND FALSE !(! b) [L100] ma = a & ((1U << 24U) - 1U) [L101] EXPR (int )(a >> 24U) - 128 [L101] ea = (int )(a >> 24U) - 128 [L102] ma = ma | (1U << 24U) [L103] mb = b & ((1U << 24U) - 1U) [L104] (int )(b >> 24U) - 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 160 locations, 38 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.2s, OverallIterations: 22, TraceHistogramMax: 2, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3482 SDtfs, 4796 SDslu, 8795 SDs, 0 SdLazy, 2123 SolverSat, 275 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 2015 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 31247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 22 InterpolantComputations, 21 PerfectInterpolantSequences, 2/4 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...