./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_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/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_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/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_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/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 [2020-11-29 18:43:16,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:43:16,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:43:16,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:43:16,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:43:16,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:43:16,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:43:16,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:43:16,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:43:16,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:43:16,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:43:16,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:43:16,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:43:16,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:43:16,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:43:16,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:43:16,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:43:16,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:43:16,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:43:16,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:43:16,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:43:16,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:43:16,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:43:16,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:43:16,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:43:16,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:43:16,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:43:16,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:43:16,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:43:16,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:43:16,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:43:16,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:43:16,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:43:16,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:43:16,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:43:16,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:43:16,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:43:16,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:43:16,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:43:16,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:43:16,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:43:16,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 18:43:16,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:43:16,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:43:16,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:43:16,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:43:16,802 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:43:16,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:43:16,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:43:16,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:43:16,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:43:16,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:43:16,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:43:16,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:43:16,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:43:16,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:43:16,805 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:43:16,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:43:16,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:43:16,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:43:16,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:43:16,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:43:16,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:43:16,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:43:16,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:43:16,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:43:16,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:43:16,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:43:16,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:43:16,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:43:16,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:43:16,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:43:16,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:43:16,811 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_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63854123d7ab77bd9f32ab7eefa710cb72f6a12a [2020-11-29 18:43:17,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:43:17,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:43:17,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:43:17,166 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:43:17,168 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:43:17,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2020-11-29 18:43:17,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/data/98c897dcb/c70a467aefd8455d8dafe6bd792c0108/FLAGcb90fe2ed [2020-11-29 18:43:17,875 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:43:17,876 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2020-11-29 18:43:17,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/data/98c897dcb/c70a467aefd8455d8dafe6bd792c0108/FLAGcb90fe2ed [2020-11-29 18:43:18,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/bin/uautomizer/data/98c897dcb/c70a467aefd8455d8dafe6bd792c0108 [2020-11-29 18:43:18,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:43:18,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:43:18,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:43:18,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:43:18,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:43:18,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a60003d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18, skipping insertion in model container [2020-11-29 18:43:18,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:43:18,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:43:18,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:43:18,514 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:43:18,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:43:18,587 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:43:18,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18 WrapperNode [2020-11-29 18:43:18,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:43:18,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:43:18,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:43:18,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:43:18,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:43:18,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:43:18,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:43:18,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:43:18,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... [2020-11-29 18:43:18,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:43:18,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:43:18,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:43:18,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:43:18,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/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 [2020-11-29 18:43:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:43:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:43:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:43:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:43:19,727 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:43:19,727 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-29 18:43:19,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:19 BoogieIcfgContainer [2020-11-29 18:43:19,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:43:19,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:43:19,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:43:19,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:43:19,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:43:18" (1/3) ... [2020-11-29 18:43:19,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd31db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:43:19, skipping insertion in model container [2020-11-29 18:43:19,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:18" (2/3) ... [2020-11-29 18:43:19,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd31db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:43:19, skipping insertion in model container [2020-11-29 18:43:19,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:19" (3/3) ... [2020-11-29 18:43:19,740 INFO L111 eAbstractionObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2020-11-29 18:43:19,754 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:43:19,760 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2020-11-29 18:43:19,775 INFO L253 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2020-11-29 18:43:19,807 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:43:19,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:43:19,808 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:43:19,808 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:43:19,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:43:19,809 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:43:19,809 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:43:19,809 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:43:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-11-29 18:43:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:43:19,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:19,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:19,846 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]=== [2020-11-29 18:43:19,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:19,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1807791520, now seen corresponding path program 1 times [2020-11-29 18:43:19,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:19,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392986318] [2020-11-29 18:43:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:20,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392986318] [2020-11-29 18:43:20,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:20,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:43:20,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110638141] [2020-11-29 18:43:20,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:43:20,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:20,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:43:20,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:43:20,059 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2020-11-29 18:43:20,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:20,098 INFO L93 Difference]: Finished difference Result 291 states and 381 transitions. [2020-11-29 18:43:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:43:20,100 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-29 18:43:20,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:20,114 INFO L225 Difference]: With dead ends: 291 [2020-11-29 18:43:20,115 INFO L226 Difference]: Without dead ends: 131 [2020-11-29 18:43:20,119 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 [2020-11-29 18:43:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-29 18:43:20,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-29 18:43:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-29 18:43:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2020-11-29 18:43:20,179 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 7 [2020-11-29 18:43:20,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:20,181 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2020-11-29 18:43:20,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:43:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2020-11-29 18:43:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:43:20,184 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:20,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:20,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:43:20,185 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]=== [2020-11-29 18:43:20,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:20,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850254, now seen corresponding path program 1 times [2020-11-29 18:43:20,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:20,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592678827] [2020-11-29 18:43:20,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:20,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592678827] [2020-11-29 18:43:20,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:20,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:43:20,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650337957] [2020-11-29 18:43:20,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:43:20,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:20,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:43:20,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:43:20,275 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 3 states. [2020-11-29 18:43:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:20,629 INFO L93 Difference]: Finished difference Result 259 states and 304 transitions. [2020-11-29 18:43:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:43:20,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-29 18:43:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:20,634 INFO L225 Difference]: With dead ends: 259 [2020-11-29 18:43:20,638 INFO L226 Difference]: Without dead ends: 145 [2020-11-29 18:43:20,640 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 [2020-11-29 18:43:20,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-11-29 18:43:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2020-11-29 18:43:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-11-29 18:43:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-11-29 18:43:20,672 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 7 [2020-11-29 18:43:20,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:20,672 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-11-29 18:43:20,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:43:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-11-29 18:43:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:43:20,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:20,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:20,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:43:20,675 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]=== [2020-11-29 18:43:20,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:20,676 INFO L82 PathProgramCache]: Analyzing trace with hash -866677448, now seen corresponding path program 1 times [2020-11-29 18:43:20,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:20,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085869262] [2020-11-29 18:43:20,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:20,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085869262] [2020-11-29 18:43:20,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:20,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:20,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030443865] [2020-11-29 18:43:20,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:20,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:20,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:20,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:20,772 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 4 states. [2020-11-29 18:43:20,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:20,984 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2020-11-29 18:43:20,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:20,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-29 18:43:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:20,988 INFO L225 Difference]: With dead ends: 220 [2020-11-29 18:43:20,991 INFO L226 Difference]: Without dead ends: 213 [2020-11-29 18:43:20,992 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 [2020-11-29 18:43:20,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-29 18:43:21,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2020-11-29 18:43:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-29 18:43:21,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-11-29 18:43:21,034 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 10 [2020-11-29 18:43:21,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:21,036 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-11-29 18:43:21,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-11-29 18:43:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 18:43:21,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:21,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:21,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:43:21,044 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]=== [2020-11-29 18:43:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:21,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1097196978, now seen corresponding path program 1 times [2020-11-29 18:43:21,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:21,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208621101] [2020-11-29 18:43:21,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:21,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208621101] [2020-11-29 18:43:21,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:21,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:43:21,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151021707] [2020-11-29 18:43:21,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:43:21,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:21,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:43:21,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:43:21,119 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states. [2020-11-29 18:43:21,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:21,258 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2020-11-29 18:43:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:43:21,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-29 18:43:21,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:21,261 INFO L225 Difference]: With dead ends: 212 [2020-11-29 18:43:21,261 INFO L226 Difference]: Without dead ends: 207 [2020-11-29 18:43:21,262 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 [2020-11-29 18:43:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-11-29 18:43:21,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 136. [2020-11-29 18:43:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-29 18:43:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-11-29 18:43:21,283 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 11 [2020-11-29 18:43:21,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:21,284 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-11-29 18:43:21,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:43:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-11-29 18:43:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:43:21,285 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:21,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:21,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:43:21,287 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]=== [2020-11-29 18:43:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:21,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1234080256, now seen corresponding path program 1 times [2020-11-29 18:43:21,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:21,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269963992] [2020-11-29 18:43:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:21,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269963992] [2020-11-29 18:43:21,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:21,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:21,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508554827] [2020-11-29 18:43:21,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:21,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:21,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:21,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:21,375 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 4 states. [2020-11-29 18:43:21,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:21,542 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2020-11-29 18:43:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:21,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-29 18:43:21,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:21,549 INFO L225 Difference]: With dead ends: 208 [2020-11-29 18:43:21,549 INFO L226 Difference]: Without dead ends: 206 [2020-11-29 18:43:21,550 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 [2020-11-29 18:43:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-11-29 18:43:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 138. [2020-11-29 18:43:21,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-29 18:43:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2020-11-29 18:43:21,574 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 12 [2020-11-29 18:43:21,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:21,583 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2020-11-29 18:43:21,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2020-11-29 18:43:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:43:21,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:21,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:21,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:43:21,586 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]=== [2020-11-29 18:43:21,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:21,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1595344206, now seen corresponding path program 1 times [2020-11-29 18:43:21,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:21,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805922224] [2020-11-29 18:43:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:21,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805922224] [2020-11-29 18:43:21,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:21,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:21,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142533134] [2020-11-29 18:43:21,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:21,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:21,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:21,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:21,692 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand 4 states. [2020-11-29 18:43:21,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:21,921 INFO L93 Difference]: Finished difference Result 329 states and 382 transitions. [2020-11-29 18:43:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:21,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-29 18:43:21,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:21,924 INFO L225 Difference]: With dead ends: 329 [2020-11-29 18:43:21,924 INFO L226 Difference]: Without dead ends: 219 [2020-11-29 18:43:21,928 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 [2020-11-29 18:43:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-11-29 18:43:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 143. [2020-11-29 18:43:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-11-29 18:43:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2020-11-29 18:43:21,953 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 12 [2020-11-29 18:43:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:21,954 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2020-11-29 18:43:21,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2020-11-29 18:43:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 18:43:21,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:21,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:21,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:43:21,962 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]=== [2020-11-29 18:43:21,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:21,966 INFO L82 PathProgramCache]: Analyzing trace with hash -2056836231, now seen corresponding path program 1 times [2020-11-29 18:43:21,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:21,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622439518] [2020-11-29 18:43:21,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:22,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622439518] [2020-11-29 18:43:22,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:22,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:22,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124283414] [2020-11-29 18:43:22,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:22,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:22,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:22,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:22,041 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand 4 states. [2020-11-29 18:43:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:22,202 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2020-11-29 18:43:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:22,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-29 18:43:22,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:22,205 INFO L225 Difference]: With dead ends: 217 [2020-11-29 18:43:22,205 INFO L226 Difference]: Without dead ends: 215 [2020-11-29 18:43:22,206 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 [2020-11-29 18:43:22,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-11-29 18:43:22,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 146. [2020-11-29 18:43:22,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-29 18:43:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 174 transitions. [2020-11-29 18:43:22,218 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 174 transitions. Word has length 13 [2020-11-29 18:43:22,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:22,219 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 174 transitions. [2020-11-29 18:43:22,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 174 transitions. [2020-11-29 18:43:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 18:43:22,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:22,225 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:22,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:43:22,226 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]=== [2020-11-29 18:43:22,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:22,226 INFO L82 PathProgramCache]: Analyzing trace with hash 465285246, now seen corresponding path program 1 times [2020-11-29 18:43:22,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:22,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538258215] [2020-11-29 18:43:22,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:22,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538258215] [2020-11-29 18:43:22,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271359844] [2020-11-29 18:43:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eb99fad-fe58-4efd-a7c6-40bb344c0af8/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 [2020-11-29 18:43:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:22,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:43:22,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:43:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:22,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:43:22,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:43:22,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083002218] [2020-11-29 18:43:22,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:22,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:22,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:22,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:43:22,497 INFO L87 Difference]: Start difference. First operand 146 states and 174 transitions. Second operand 4 states. [2020-11-29 18:43:22,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:22,806 INFO L93 Difference]: Finished difference Result 281 states and 324 transitions. [2020-11-29 18:43:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:22,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-29 18:43:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:22,809 INFO L225 Difference]: With dead ends: 281 [2020-11-29 18:43:22,809 INFO L226 Difference]: Without dead ends: 278 [2020-11-29 18:43:22,810 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 [2020-11-29 18:43:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-11-29 18:43:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 133. [2020-11-29 18:43:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-11-29 18:43:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2020-11-29 18:43:22,829 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 13 [2020-11-29 18:43:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:22,830 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2020-11-29 18:43:22,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2020-11-29 18:43:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 18:43:22,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:22,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:23,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-29 18:43:23,053 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]=== [2020-11-29 18:43:23,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:23,053 INFO L82 PathProgramCache]: Analyzing trace with hash -793504392, now seen corresponding path program 1 times [2020-11-29 18:43:23,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:23,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471474978] [2020-11-29 18:43:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:23,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471474978] [2020-11-29 18:43:23,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:23,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 18:43:23,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883548201] [2020-11-29 18:43:23,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:23,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:23,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:23,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:23,199 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand 7 states. [2020-11-29 18:43:23,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:23,632 INFO L93 Difference]: Finished difference Result 293 states and 344 transitions. [2020-11-29 18:43:23,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 18:43:23,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-29 18:43:23,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:23,635 INFO L225 Difference]: With dead ends: 293 [2020-11-29 18:43:23,636 INFO L226 Difference]: Without dead ends: 219 [2020-11-29 18:43:23,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-11-29 18:43:23,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-11-29 18:43:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 177. [2020-11-29 18:43:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-29 18:43:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 216 transitions. [2020-11-29 18:43:23,657 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 216 transitions. Word has length 15 [2020-11-29 18:43:23,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:23,657 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 216 transitions. [2020-11-29 18:43:23,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 216 transitions. [2020-11-29 18:43:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 18:43:23,664 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:23,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:23,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:43:23,665 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]=== [2020-11-29 18:43:23,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:23,668 INFO L82 PathProgramCache]: Analyzing trace with hash -47207071, now seen corresponding path program 1 times [2020-11-29 18:43:23,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:23,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098686222] [2020-11-29 18:43:23,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:23,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098686222] [2020-11-29 18:43:23,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:23,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:23,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091991889] [2020-11-29 18:43:23,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:23,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:23,759 INFO L87 Difference]: Start difference. First operand 177 states and 216 transitions. Second operand 4 states. [2020-11-29 18:43:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:23,907 INFO L93 Difference]: Finished difference Result 284 states and 338 transitions. [2020-11-29 18:43:23,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:23,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-29 18:43:23,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:23,911 INFO L225 Difference]: With dead ends: 284 [2020-11-29 18:43:23,911 INFO L226 Difference]: Without dead ends: 282 [2020-11-29 18:43:23,912 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 [2020-11-29 18:43:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-29 18:43:23,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 182. [2020-11-29 18:43:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-29 18:43:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 220 transitions. [2020-11-29 18:43:23,933 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 220 transitions. Word has length 15 [2020-11-29 18:43:23,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:23,934 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 220 transitions. [2020-11-29 18:43:23,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 220 transitions. [2020-11-29 18:43:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 18:43:23,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:23,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:43:23,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:43:23,936 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]=== [2020-11-29 18:43:23,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:23,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1418335763, now seen corresponding path program 1 times [2020-11-29 18:43:23,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:23,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127110374] [2020-11-29 18:43:23,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:23,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127110374] [2020-11-29 18:43:23,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:23,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:23,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366197401] [2020-11-29 18:43:23,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:23,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:23,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:23,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:23,997 INFO L87 Difference]: Start difference. First operand 182 states and 220 transitions. Second operand 4 states. [2020-11-29 18:43:24,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:24,154 INFO L93 Difference]: Finished difference Result 373 states and 439 transitions. [2020-11-29 18:43:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:24,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-29 18:43:24,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:24,158 INFO L225 Difference]: With dead ends: 373 [2020-11-29 18:43:24,158 INFO L226 Difference]: Without dead ends: 370 [2020-11-29 18:43:24,159 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 [2020-11-29 18:43:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-29 18:43:24,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 167. [2020-11-29 18:43:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-11-29 18:43:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 204 transitions. [2020-11-29 18:43:24,189 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 204 transitions. Word has length 15 [2020-11-29 18:43:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:24,190 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 204 transitions. [2020-11-29 18:43:24,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 204 transitions. [2020-11-29 18:43:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:43:24,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:24,191 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] [2020-11-29 18:43:24,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:43:24,192 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]=== [2020-11-29 18:43:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1101296279, now seen corresponding path program 1 times [2020-11-29 18:43:24,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:24,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828648346] [2020-11-29 18:43:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:24,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828648346] [2020-11-29 18:43:24,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:24,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:43:24,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753591849] [2020-11-29 18:43:24,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:43:24,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:24,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:43:24,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:43:24,415 INFO L87 Difference]: Start difference. First operand 167 states and 204 transitions. Second operand 6 states. [2020-11-29 18:43:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:24,700 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2020-11-29 18:43:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:43:24,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-11-29 18:43:24,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:24,706 INFO L225 Difference]: With dead ends: 286 [2020-11-29 18:43:24,706 INFO L226 Difference]: Without dead ends: 285 [2020-11-29 18:43:24,707 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 [2020-11-29 18:43:24,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-29 18:43:24,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 183. [2020-11-29 18:43:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-11-29 18:43:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2020-11-29 18:43:24,731 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 21 [2020-11-29 18:43:24,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:24,732 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2020-11-29 18:43:24,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:43:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2020-11-29 18:43:24,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:43:24,733 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:24,737 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] [2020-11-29 18:43:24,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 18:43:24,738 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]=== [2020-11-29 18:43:24,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:24,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1783760179, now seen corresponding path program 1 times [2020-11-29 18:43:24,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:24,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448767569] [2020-11-29 18:43:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:24,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448767569] [2020-11-29 18:43:24,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:24,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 18:43:24,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465444442] [2020-11-29 18:43:24,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:24,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:24,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:24,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:24,858 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand 7 states. [2020-11-29 18:43:25,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:25,127 INFO L93 Difference]: Finished difference Result 225 states and 259 transitions. [2020-11-29 18:43:25,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 18:43:25,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-29 18:43:25,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:25,129 INFO L225 Difference]: With dead ends: 225 [2020-11-29 18:43:25,130 INFO L226 Difference]: Without dead ends: 170 [2020-11-29 18:43:25,132 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 [2020-11-29 18:43:25,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-11-29 18:43:25,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135. [2020-11-29 18:43:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-29 18:43:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 162 transitions. [2020-11-29 18:43:25,151 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 162 transitions. Word has length 23 [2020-11-29 18:43:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:25,151 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 162 transitions. [2020-11-29 18:43:25,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 162 transitions. [2020-11-29 18:43:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:43:25,152 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:25,152 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] [2020-11-29 18:43:25,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 18:43:25,153 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]=== [2020-11-29 18:43:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:25,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1387825709, now seen corresponding path program 1 times [2020-11-29 18:43:25,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:25,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947343609] [2020-11-29 18:43:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:25,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947343609] [2020-11-29 18:43:25,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:25,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 18:43:25,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64588685] [2020-11-29 18:43:25,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:25,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:25,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:25,278 INFO L87 Difference]: Start difference. First operand 135 states and 162 transitions. Second operand 7 states. [2020-11-29 18:43:25,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:25,474 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2020-11-29 18:43:25,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:43:25,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-29 18:43:25,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:25,477 INFO L225 Difference]: With dead ends: 195 [2020-11-29 18:43:25,477 INFO L226 Difference]: Without dead ends: 167 [2020-11-29 18:43:25,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:43:25,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-29 18:43:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 141. [2020-11-29 18:43:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-11-29 18:43:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-11-29 18:43:25,494 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 23 [2020-11-29 18:43:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:25,494 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-11-29 18:43:25,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-11-29 18:43:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:43:25,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:25,495 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] [2020-11-29 18:43:25,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 18:43:25,496 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]=== [2020-11-29 18:43:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:25,496 INFO L82 PathProgramCache]: Analyzing trace with hash -322402664, now seen corresponding path program 1 times [2020-11-29 18:43:25,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:25,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194227358] [2020-11-29 18:43:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:25,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194227358] [2020-11-29 18:43:25,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:25,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:43:25,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650141352] [2020-11-29 18:43:25,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:25,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:25,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:25,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:25,697 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 7 states. [2020-11-29 18:43:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:26,015 INFO L93 Difference]: Finished difference Result 259 states and 294 transitions. [2020-11-29 18:43:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:43:26,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-29 18:43:26,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:26,018 INFO L225 Difference]: With dead ends: 259 [2020-11-29 18:43:26,018 INFO L226 Difference]: Without dead ends: 227 [2020-11-29 18:43:26,019 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 [2020-11-29 18:43:26,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-29 18:43:26,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 144. [2020-11-29 18:43:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-29 18:43:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 171 transitions. [2020-11-29 18:43:26,037 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 171 transitions. Word has length 23 [2020-11-29 18:43:26,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:26,037 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 171 transitions. [2020-11-29 18:43:26,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2020-11-29 18:43:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:43:26,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:26,038 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] [2020-11-29 18:43:26,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 18:43:26,039 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]=== [2020-11-29 18:43:26,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:26,039 INFO L82 PathProgramCache]: Analyzing trace with hash -322343082, now seen corresponding path program 1 times [2020-11-29 18:43:26,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:26,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031079339] [2020-11-29 18:43:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:26,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031079339] [2020-11-29 18:43:26,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:26,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:43:26,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968068351] [2020-11-29 18:43:26,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:26,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:26,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:26,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:26,183 INFO L87 Difference]: Start difference. First operand 144 states and 171 transitions. Second operand 7 states. [2020-11-29 18:43:28,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:28,710 INFO L93 Difference]: Finished difference Result 410 states and 466 transitions. [2020-11-29 18:43:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 18:43:28,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-29 18:43:28,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:28,714 INFO L225 Difference]: With dead ends: 410 [2020-11-29 18:43:28,715 INFO L226 Difference]: Without dead ends: 409 [2020-11-29 18:43:28,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-11-29 18:43:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-29 18:43:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 170. [2020-11-29 18:43:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-29 18:43:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 205 transitions. [2020-11-29 18:43:28,738 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 205 transitions. Word has length 23 [2020-11-29 18:43:28,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:28,738 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 205 transitions. [2020-11-29 18:43:28,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2020-11-29 18:43:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:43:28,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:28,740 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] [2020-11-29 18:43:28,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 18:43:28,740 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]=== [2020-11-29 18:43:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:28,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1977052851, now seen corresponding path program 1 times [2020-11-29 18:43:28,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:28,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878359477] [2020-11-29 18:43:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:28,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878359477] [2020-11-29 18:43:28,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:28,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:43:28,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137894748] [2020-11-29 18:43:28,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:28,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:28,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:28,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:28,964 INFO L87 Difference]: Start difference. First operand 170 states and 205 transitions. Second operand 7 states. [2020-11-29 18:43:29,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:29,462 INFO L93 Difference]: Finished difference Result 461 states and 517 transitions. [2020-11-29 18:43:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 18:43:29,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-11-29 18:43:29,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:29,467 INFO L225 Difference]: With dead ends: 461 [2020-11-29 18:43:29,468 INFO L226 Difference]: Without dead ends: 460 [2020-11-29 18:43:29,469 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 [2020-11-29 18:43:29,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-11-29 18:43:29,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 213. [2020-11-29 18:43:29,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-11-29 18:43:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 263 transitions. [2020-11-29 18:43:29,498 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 263 transitions. Word has length 25 [2020-11-29 18:43:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:29,498 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 263 transitions. [2020-11-29 18:43:29,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 263 transitions. [2020-11-29 18:43:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:43:29,499 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:29,500 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] [2020-11-29 18:43:29,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 18:43:29,500 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]=== [2020-11-29 18:43:29,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:29,501 INFO L82 PathProgramCache]: Analyzing trace with hash -591306022, now seen corresponding path program 1 times [2020-11-29 18:43:29,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:29,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514065383] [2020-11-29 18:43:29,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:29,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514065383] [2020-11-29 18:43:29,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:29,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 18:43:29,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901037876] [2020-11-29 18:43:29,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:43:29,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:29,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:43:29,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:43:29,722 INFO L87 Difference]: Start difference. First operand 213 states and 263 transitions. Second operand 8 states. [2020-11-29 18:43:30,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:30,502 INFO L93 Difference]: Finished difference Result 494 states and 551 transitions. [2020-11-29 18:43:30,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 18:43:30,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-29 18:43:30,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:30,506 INFO L225 Difference]: With dead ends: 494 [2020-11-29 18:43:30,507 INFO L226 Difference]: Without dead ends: 427 [2020-11-29 18:43:30,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-11-29 18:43:30,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-11-29 18:43:30,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 210. [2020-11-29 18:43:30,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-29 18:43:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2020-11-29 18:43:30,539 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 25 [2020-11-29 18:43:30,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:30,541 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2020-11-29 18:43:30,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:43:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2020-11-29 18:43:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:43:30,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:30,542 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] [2020-11-29 18:43:30,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 18:43:30,543 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]=== [2020-11-29 18:43:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:30,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1716642380, now seen corresponding path program 1 times [2020-11-29 18:43:30,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:30,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922844286] [2020-11-29 18:43:30,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:30,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922844286] [2020-11-29 18:43:30,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:30,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:43:30,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342222312] [2020-11-29 18:43:30,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:30,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:30,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:30,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:30,735 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 7 states. [2020-11-29 18:43:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:31,161 INFO L93 Difference]: Finished difference Result 314 states and 377 transitions. [2020-11-29 18:43:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:43:31,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-11-29 18:43:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:31,165 INFO L225 Difference]: With dead ends: 314 [2020-11-29 18:43:31,166 INFO L226 Difference]: Without dead ends: 313 [2020-11-29 18:43:31,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:43:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-11-29 18:43:31,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 210. [2020-11-29 18:43:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-29 18:43:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 255 transitions. [2020-11-29 18:43:31,196 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 255 transitions. Word has length 25 [2020-11-29 18:43:31,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:31,196 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 255 transitions. [2020-11-29 18:43:31,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:31,197 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 255 transitions. [2020-11-29 18:43:31,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:43:31,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:31,198 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] [2020-11-29 18:43:31,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 18:43:31,198 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]=== [2020-11-29 18:43:31,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:31,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1572233071, now seen corresponding path program 1 times [2020-11-29 18:43:31,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:31,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559267845] [2020-11-29 18:43:31,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:31,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559267845] [2020-11-29 18:43:31,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:31,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 18:43:31,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484993795] [2020-11-29 18:43:31,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:43:31,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:31,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:43:31,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:43:31,316 INFO L87 Difference]: Start difference. First operand 210 states and 255 transitions. Second operand 7 states. [2020-11-29 18:43:31,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:31,561 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2020-11-29 18:43:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:43:31,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-11-29 18:43:31,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:31,563 INFO L225 Difference]: With dead ends: 242 [2020-11-29 18:43:31,564 INFO L226 Difference]: Without dead ends: 196 [2020-11-29 18:43:31,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:43:31,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-29 18:43:31,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 190. [2020-11-29 18:43:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-29 18:43:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 231 transitions. [2020-11-29 18:43:31,590 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 231 transitions. Word has length 27 [2020-11-29 18:43:31,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:31,590 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 231 transitions. [2020-11-29 18:43:31,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:43:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 231 transitions. [2020-11-29 18:43:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:43:31,592 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:31,592 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] [2020-11-29 18:43:31,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 18:43:31,600 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]=== [2020-11-29 18:43:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:31,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2118741572, now seen corresponding path program 1 times [2020-11-29 18:43:31,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:31,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347972767] [2020-11-29 18:43:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:32,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347972767] [2020-11-29 18:43:32,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:32,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-29 18:43:32,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203761684] [2020-11-29 18:43:32,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 18:43:32,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 18:43:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:43:32,050 INFO L87 Difference]: Start difference. First operand 190 states and 231 transitions. Second operand 11 states. [2020-11-29 18:43:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:35,402 INFO L93 Difference]: Finished difference Result 318 states and 366 transitions. [2020-11-29 18:43:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-29 18:43:35,403 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-11-29 18:43:35,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:35,406 INFO L225 Difference]: With dead ends: 318 [2020-11-29 18:43:35,406 INFO L226 Difference]: Without dead ends: 315 [2020-11-29 18:43:35,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-11-29 18:43:35,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-11-29 18:43:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 203. [2020-11-29 18:43:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-11-29 18:43:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2020-11-29 18:43:35,434 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 27 [2020-11-29 18:43:35,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:35,434 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2020-11-29 18:43:35,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 18:43:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2020-11-29 18:43:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:43:35,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:35,437 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] [2020-11-29 18:43:35,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-29 18:43:35,437 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]=== [2020-11-29 18:43:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:35,438 INFO L82 PathProgramCache]: Analyzing trace with hash 350457026, now seen corresponding path program 1 times [2020-11-29 18:43:35,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:35,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496165759] [2020-11-29 18:43:35,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:43:35,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:43:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:43:35,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:43:35,530 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:43:35,530 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:43:35,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-29 18:43:35,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:43:35 BoogieIcfgContainer [2020-11-29 18:43:35,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:43:35,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:43:35,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:43:35,615 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:43:35,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:19" (3/4) ... [2020-11-29 18:43:35,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:43:35,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:43:35,631 INFO L168 Benchmark]: Toolchain (without parser) took 17428.87 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 78.0 MB in the beginning and 76.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:35,633 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 104.9 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:43:35,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.04 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 77.5 MB in the end (delta: 250.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:35,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 74.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:35,637 INFO L168 Benchmark]: Boogie Preprocessor took 46.24 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 73.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:35,637 INFO L168 Benchmark]: RCFGBuilder took 1026.95 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 72.8 MB in the beginning and 103.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:35,638 INFO L168 Benchmark]: TraceAbstraction took 15881.20 ms. Allocated memory was 142.6 MB in the beginning and 172.0 MB in the end (delta: 29.4 MB). Free memory was 103.5 MB in the beginning and 76.5 MB in the end (delta: 27.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:35,638 INFO L168 Benchmark]: Witness Printer took 6.25 ms. Allocated memory is still 172.0 MB. Free memory is still 76.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:43:35,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 104.9 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.04 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 77.5 MB in the end (delta: 250.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 74.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.24 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 73.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1026.95 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 72.8 MB in the beginning and 103.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15881.20 ms. Allocated memory was 142.6 MB in the beginning and 172.0 MB in the end (delta: 29.4 MB). Free memory was 103.5 MB in the beginning and 76.5 MB in the end (delta: 27.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.25 ms. Allocated memory is still 172.0 MB. Free memory is still 76.5 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: 15.7s, OverallIterations: 22, TraceHistogramMax: 2, AutomataDifference: 11.4s, 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, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.9s 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: 0.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 2015 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s 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...