./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.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_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e1064ca8851049d7703c5646c80faf613ee8a93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:25:11,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:25:11,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:25:11,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:25:11,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:25:11,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:25:11,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:25:11,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:25:11,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:25:11,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:25:11,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:25:11,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:25:11,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:25:11,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:25:11,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:25:11,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:25:11,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:25:11,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:25:11,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:25:11,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:25:12,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:25:12,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:25:12,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:25:12,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:25:12,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:25:12,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:25:12,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:25:12,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:25:12,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:25:12,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:25:12,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:25:12,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:25:12,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:25:12,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:25:12,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:25:12,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:25:12,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:25:12,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:25:12,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:25:12,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:25:12,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:25:12,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-28 07:25:12,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:25:12,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:25:12,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:25:12,082 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:25:12,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:25:12,083 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:25:12,083 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:25:12,083 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:25:12,084 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:25:12,084 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:25:12,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:25:12,085 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:25:12,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:25:12,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:25:12,086 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:25:12,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:25:12,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:25:12,088 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:25:12,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:25:12,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:25:12,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:25:12,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:25:12,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:25:12,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:25:12,089 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:25:12,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:25:12,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:25:12,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:25:12,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:25:12,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:25:12,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:25:12,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:25:12,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:25:12,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:25:12,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:25:12,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:25:12,095 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:25:12,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:25:12,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:25:12,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:25:12,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:25:12,096 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e1064ca8851049d7703c5646c80faf613ee8a93 [2020-11-28 07:25:12,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:25:12,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:25:12,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:25:12,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:25:12,409 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:25:12,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2020-11-28 07:25:12,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/data/ce80007ad/62e7b332a37a40388de0dddad241714b/FLAGf7885071e [2020-11-28 07:25:13,050 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:25:13,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2020-11-28 07:25:13,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/data/ce80007ad/62e7b332a37a40388de0dddad241714b/FLAGf7885071e [2020-11-28 07:25:13,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/data/ce80007ad/62e7b332a37a40388de0dddad241714b [2020-11-28 07:25:13,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:25:13,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:25:13,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:25:13,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:25:13,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:25:13,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:13,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f48eda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13, skipping insertion in model container [2020-11-28 07:25:13,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:13,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:25:13,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:25:13,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:25:13,803 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:25:13,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:25:13,925 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:25:13,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13 WrapperNode [2020-11-28 07:25:13,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:25:13,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:25:13,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:25:13,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:25:13,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:13,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:25:14,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:25:14,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:25:14,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:25:14,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... [2020-11-28 07:25:14,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:25:14,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:25:14,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:25:14,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:25:14,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:25:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:25:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:25:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:25:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:25:15,705 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:25:15,705 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:25:15,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:25:15 BoogieIcfgContainer [2020-11-28 07:25:15,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:25:15,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:25:15,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:25:15,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:25:15,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:25:13" (1/3) ... [2020-11-28 07:25:15,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f6eed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:25:15, skipping insertion in model container [2020-11-28 07:25:15,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:25:13" (2/3) ... [2020-11-28 07:25:15,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f6eed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:25:15, skipping insertion in model container [2020-11-28 07:25:15,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:25:15" (3/3) ... [2020-11-28 07:25:15,726 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2020-11-28 07:25:15,738 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:25:15,742 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 42 error locations. [2020-11-28 07:25:15,754 INFO L253 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-11-28 07:25:15,781 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:25:15,781 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:25:15,782 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:25:15,782 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:25:15,782 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:25:15,782 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:25:15,782 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:25:15,783 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:25:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-11-28 07:25:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:25:15,814 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:15,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:15,816 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:15,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:15,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1685350906, now seen corresponding path program 1 times [2020-11-28 07:25:15,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:15,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543160543] [2020-11-28 07:25:15,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:16,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543160543] [2020-11-28 07:25:16,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:25:16,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:25:16,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807220134] [2020-11-28 07:25:16,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:25:16,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:16,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:25:16,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:16,112 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-11-28 07:25:16,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:16,330 INFO L93 Difference]: Finished difference Result 386 states and 593 transitions. [2020-11-28 07:25:16,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:25:16,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-28 07:25:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:16,345 INFO L225 Difference]: With dead ends: 386 [2020-11-28 07:25:16,346 INFO L226 Difference]: Without dead ends: 165 [2020-11-28 07:25:16,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:16,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-11-28 07:25:16,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-11-28 07:25:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-11-28 07:25:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2020-11-28 07:25:16,411 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 9 [2020-11-28 07:25:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:16,412 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2020-11-28 07:25:16,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:25:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2020-11-28 07:25:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 07:25:16,420 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:16,420 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:16,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:25:16,421 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:16,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1149694699, now seen corresponding path program 1 times [2020-11-28 07:25:16,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:16,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125532928] [2020-11-28 07:25:16,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:16,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125532928] [2020-11-28 07:25:16,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:25:16,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:25:16,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322799958] [2020-11-28 07:25:16,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:25:16,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:16,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:25:16,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:25:16,532 INFO L87 Difference]: Start difference. First operand 165 states and 208 transitions. Second operand 4 states. [2020-11-28 07:25:16,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:16,866 INFO L93 Difference]: Finished difference Result 320 states and 406 transitions. [2020-11-28 07:25:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:25:16,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-28 07:25:16,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:16,869 INFO L225 Difference]: With dead ends: 320 [2020-11-28 07:25:16,869 INFO L226 Difference]: Without dead ends: 260 [2020-11-28 07:25:16,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:25:16,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-28 07:25:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 251. [2020-11-28 07:25:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-28 07:25:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2020-11-28 07:25:16,906 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 14 [2020-11-28 07:25:16,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:16,906 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2020-11-28 07:25:16,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:25:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2020-11-28 07:25:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:25:16,908 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:16,908 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:16,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:25:16,909 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:16,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:16,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1671198313, now seen corresponding path program 1 times [2020-11-28 07:25:16,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:16,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932994874] [2020-11-28 07:25:16,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:17,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932994874] [2020-11-28 07:25:17,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:25:17,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:25:17,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310477119] [2020-11-28 07:25:17,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:25:17,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:17,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:25:17,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,044 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand 3 states. [2020-11-28 07:25:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:17,172 INFO L93 Difference]: Finished difference Result 354 states and 486 transitions. [2020-11-28 07:25:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:25:17,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-28 07:25:17,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:17,177 INFO L225 Difference]: With dead ends: 354 [2020-11-28 07:25:17,180 INFO L226 Difference]: Without dead ends: 346 [2020-11-28 07:25:17,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-28 07:25:17,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 341. [2020-11-28 07:25:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-11-28 07:25:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2020-11-28 07:25:17,217 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 16 [2020-11-28 07:25:17,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:17,218 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2020-11-28 07:25:17,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:25:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2020-11-28 07:25:17,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:25:17,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:17,220 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:17,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 07:25:17,221 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:17,222 INFO L82 PathProgramCache]: Analyzing trace with hash -954528744, now seen corresponding path program 1 times [2020-11-28 07:25:17,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:17,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921957454] [2020-11-28 07:25:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 07:25:17,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921957454] [2020-11-28 07:25:17,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:25:17,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:25:17,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014247303] [2020-11-28 07:25:17,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:25:17,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:17,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:25:17,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,323 INFO L87 Difference]: Start difference. First operand 341 states and 472 transitions. Second operand 3 states. [2020-11-28 07:25:17,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:17,387 INFO L93 Difference]: Finished difference Result 704 states and 984 transitions. [2020-11-28 07:25:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:25:17,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 07:25:17,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:17,391 INFO L225 Difference]: With dead ends: 704 [2020-11-28 07:25:17,391 INFO L226 Difference]: Without dead ends: 365 [2020-11-28 07:25:17,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-11-28 07:25:17,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2020-11-28 07:25:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-11-28 07:25:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 505 transitions. [2020-11-28 07:25:17,415 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 505 transitions. Word has length 24 [2020-11-28 07:25:17,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:17,415 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 505 transitions. [2020-11-28 07:25:17,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:25:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 505 transitions. [2020-11-28 07:25:17,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 07:25:17,418 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:17,418 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:17,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 07:25:17,418 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:17,419 INFO L82 PathProgramCache]: Analyzing trace with hash -646233165, now seen corresponding path program 1 times [2020-11-28 07:25:17,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:17,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132510796] [2020-11-28 07:25:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 07:25:17,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132510796] [2020-11-28 07:25:17,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:25:17,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:25:17,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606514254] [2020-11-28 07:25:17,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:25:17,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:17,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:25:17,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,505 INFO L87 Difference]: Start difference. First operand 365 states and 505 transitions. Second operand 3 states. [2020-11-28 07:25:17,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:17,624 INFO L93 Difference]: Finished difference Result 366 states and 506 transitions. [2020-11-28 07:25:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:25:17,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-28 07:25:17,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:17,626 INFO L225 Difference]: With dead ends: 366 [2020-11-28 07:25:17,626 INFO L226 Difference]: Without dead ends: 349 [2020-11-28 07:25:17,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-11-28 07:25:17,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 348. [2020-11-28 07:25:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-11-28 07:25:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 488 transitions. [2020-11-28 07:25:17,637 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 488 transitions. Word has length 27 [2020-11-28 07:25:17,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:17,638 INFO L481 AbstractCegarLoop]: Abstraction has 348 states and 488 transitions. [2020-11-28 07:25:17,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:25:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 488 transitions. [2020-11-28 07:25:17,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 07:25:17,646 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:17,648 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:17,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 07:25:17,649 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:17,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:17,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1441607023, now seen corresponding path program 1 times [2020-11-28 07:25:17,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:17,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869436137] [2020-11-28 07:25:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 07:25:17,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869436137] [2020-11-28 07:25:17,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:25:17,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:25:17,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517061074] [2020-11-28 07:25:17,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:25:17,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:17,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:25:17,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,743 INFO L87 Difference]: Start difference. First operand 348 states and 488 transitions. Second operand 3 states. [2020-11-28 07:25:17,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:17,762 INFO L93 Difference]: Finished difference Result 697 states and 977 transitions. [2020-11-28 07:25:17,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:25:17,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-28 07:25:17,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:17,768 INFO L225 Difference]: With dead ends: 697 [2020-11-28 07:25:17,768 INFO L226 Difference]: Without dead ends: 348 [2020-11-28 07:25:17,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:25:17,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-11-28 07:25:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2020-11-28 07:25:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-11-28 07:25:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2020-11-28 07:25:17,782 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 28 [2020-11-28 07:25:17,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:17,789 INFO L481 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2020-11-28 07:25:17,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:25:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2020-11-28 07:25:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 07:25:17,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:17,793 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:17,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 07:25:17,795 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:17,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1441608689, now seen corresponding path program 1 times [2020-11-28 07:25:17,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:17,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627190682] [2020-11-28 07:25:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:17,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627190682] [2020-11-28 07:25:17,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536355384] [2020-11-28 07:25:17,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:25:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:18,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:25:18,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:25:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:18,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:25:18,140 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-28 07:25:18,140 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 07:25:18,205 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-28 07:25:18,207 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 07:25:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:18,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:25:18,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 3] total 8 [2020-11-28 07:25:18,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761032116] [2020-11-28 07:25:18,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:25:18,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:18,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:25:18,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:25:18,248 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand 4 states. [2020-11-28 07:25:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:18,332 INFO L93 Difference]: Finished difference Result 348 states and 485 transitions. [2020-11-28 07:25:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:25:18,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-11-28 07:25:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:18,335 INFO L225 Difference]: With dead ends: 348 [2020-11-28 07:25:18,335 INFO L226 Difference]: Without dead ends: 305 [2020-11-28 07:25:18,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:25:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-28 07:25:18,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 211. [2020-11-28 07:25:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-11-28 07:25:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 300 transitions. [2020-11-28 07:25:18,345 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 300 transitions. Word has length 28 [2020-11-28 07:25:18,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:18,346 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 300 transitions. [2020-11-28 07:25:18,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:25:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2020-11-28 07:25:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 07:25:18,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:25:18,347 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:25:18,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-28 07:25:18,548 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.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_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.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:25:18,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:25:18,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1888475917, now seen corresponding path program 1 times [2020-11-28 07:25:18,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:25:18,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038265148] [2020-11-28 07:25:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:25:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:18,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038265148] [2020-11-28 07:25:18,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557693363] [2020-11-28 07:25:18,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:25:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:25:18,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:25:18,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:25:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:18,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:25:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:25:18,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [198096844] [2020-11-28 07:25:18,823 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2020-11-28 07:25:18,823 INFO L166 IcfgInterpreter]: Building call graph [2020-11-28 07:25:18,827 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-28 07:25:18,831 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-28 07:25:18,832 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-28 07:25:19,544 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2020-11-28 07:25:20,135 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 07:25:20,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-28 07:25:20,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2020-11-28 07:25:20,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324534898] [2020-11-28 07:25:20,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 07:25:20,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:25:20,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 07:25:20,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:25:20,140 INFO L87 Difference]: Start difference. First operand 211 states and 300 transitions. Second operand 7 states. [2020-11-28 07:25:20,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:25:20,272 INFO L93 Difference]: Finished difference Result 216 states and 306 transitions. [2020-11-28 07:25:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:25:20,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-11-28 07:25:20,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:25:20,274 INFO L225 Difference]: With dead ends: 216 [2020-11-28 07:25:20,274 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:25:20,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:25:20,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:25:20,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:25:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:25:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:25:20,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-11-28 07:25:20,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:25:20,276 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:25:20,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 07:25:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:25:20,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:25:20,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:25:20,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:25:20,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,636 INFO L274 CegarLoopResult]: For program point L498(lines 498 513) no Hoare annotation was computed. [2020-11-28 07:25:20,636 INFO L274 CegarLoopResult]: For program point L465(lines 465 564) no Hoare annotation was computed. [2020-11-28 07:25:20,636 INFO L274 CegarLoopResult]: For program point L432(lines 432 443) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point L366(lines 366 381) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point L168(lines 168 179) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point L532(lines 532 543) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2020-11-28 07:25:20,637 INFO L274 CegarLoopResult]: For program point L466(lines 466 481) no Hoare annotation was computed. [2020-11-28 07:25:20,638 INFO L274 CegarLoopResult]: For program point L400(lines 400 411) no Hoare annotation was computed. [2020-11-28 07:25:20,638 INFO L274 CegarLoopResult]: For program point L268(lines 268 279) no Hoare annotation was computed. [2020-11-28 07:25:20,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2020-11-28 07:25:20,638 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-28 07:25:20,638 INFO L274 CegarLoopResult]: For program point L136-1(line 136) no Hoare annotation was computed. [2020-11-28 07:25:20,638 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point L500(lines 500 511) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point L368(lines 368 379) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-11-28 07:25:20,639 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L104(lines 104 106) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L468(lines 468 479) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L336-1(line 336) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L204(lines 204 206) no Hoare annotation was computed. [2020-11-28 07:25:20,640 INFO L274 CegarLoopResult]: For program point L72(lines 72 74) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L436-1(line 436) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L304(lines 304 306) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L172(lines 172 174) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2020-11-28 07:25:20,641 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point L404(lines 404 406) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point L272(lines 272 274) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point L504(lines 504 506) no Hoare annotation was computed. [2020-11-28 07:25:20,642 INFO L274 CegarLoopResult]: For program point L372(lines 372 374) no Hoare annotation was computed. [2020-11-28 07:25:20,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2020-11-28 07:25:20,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2020-11-28 07:25:20,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,643 INFO L274 CegarLoopResult]: For program point L472(lines 472 474) no Hoare annotation was computed. [2020-11-28 07:25:20,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2020-11-28 07:25:20,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point L78-2(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point L78-3(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point L46(lines 46 61) no Hoare annotation was computed. [2020-11-28 07:25:20,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,645 INFO L274 CegarLoopResult]: For program point L146(lines 146 161) no Hoare annotation was computed. [2020-11-28 07:25:20,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2020-11-28 07:25:20,645 INFO L274 CegarLoopResult]: For program point L246(lines 246 261) no Hoare annotation was computed. [2020-11-28 07:25:20,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,645 INFO L274 CegarLoopResult]: For program point L114(lines 114 129) no Hoare annotation was computed. [2020-11-28 07:25:20,645 INFO L274 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2020-11-28 07:25:20,646 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2020-11-28 07:25:20,646 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2020-11-28 07:25:20,646 INFO L274 CegarLoopResult]: For program point L346(lines 346 361) no Hoare annotation was computed. [2020-11-28 07:25:20,646 INFO L274 CegarLoopResult]: For program point L214(lines 214 229) no Hoare annotation was computed. [2020-11-28 07:25:20,646 INFO L274 CegarLoopResult]: For program point L148(lines 148 159) no Hoare annotation was computed. [2020-11-28 07:25:20,646 INFO L274 CegarLoopResult]: For program point L82(lines 82 97) no Hoare annotation was computed. [2020-11-28 07:25:20,647 INFO L277 CegarLoopResult]: At program point L16(lines 16 572) the Hoare annotation is: true [2020-11-28 07:25:20,647 INFO L274 CegarLoopResult]: For program point L446(lines 446 461) no Hoare annotation was computed. [2020-11-28 07:25:20,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L314(lines 314 329) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L248(lines 248 259) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L182(lines 182 197) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L116(lines 116 127) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L546(lines 546 561) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L414(lines 414 429) no Hoare annotation was computed. [2020-11-28 07:25:20,651 INFO L274 CegarLoopResult]: For program point L348(lines 348 359) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L282(lines 282 297) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L216(lines 216 227) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L514(lines 514 529) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L448(lines 448 459) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L382(lines 382 397) no Hoare annotation was computed. [2020-11-28 07:25:20,652 INFO L274 CegarLoopResult]: For program point L316(lines 316 327) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point L184(lines 184 195) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point L52(lines 52 54) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point L548(lines 548 559) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point L482(lines 482 497) no Hoare annotation was computed. [2020-11-28 07:25:20,653 INFO L274 CegarLoopResult]: For program point L416(lines 416 427) no Hoare annotation was computed. [2020-11-28 07:25:20,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:25:20,654 INFO L274 CegarLoopResult]: For program point L284(lines 284 295) no Hoare annotation was computed. [2020-11-28 07:25:20,654 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 07:25:20,655 INFO L274 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-11-28 07:25:20,655 INFO L274 CegarLoopResult]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2020-11-28 07:25:20,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2020-11-28 07:25:20,655 INFO L274 CegarLoopResult]: For program point L516(lines 516 527) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L252-1(line 252) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L120(lines 120 122) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L484(lines 484 495) no Hoare annotation was computed. [2020-11-28 07:25:20,656 INFO L274 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-11-28 07:25:20,657 INFO L274 CegarLoopResult]: For program point L352-1(line 352) no Hoare annotation was computed. [2020-11-28 07:25:20,657 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2020-11-28 07:25:20,657 INFO L274 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-11-28 07:25:20,657 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-28 07:25:20,658 INFO L274 CegarLoopResult]: For program point L88-1(line 88) no Hoare annotation was computed. [2020-11-28 07:25:20,658 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2020-11-28 07:25:20,658 INFO L274 CegarLoopResult]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2020-11-28 07:25:20,658 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 07:25:20,658 INFO L274 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L320(lines 320 322) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 07:25:20,659 INFO L274 CegarLoopResult]: For program point L552-2(line 552) no Hoare annotation was computed. [2020-11-28 07:25:20,660 INFO L274 CegarLoopResult]: For program point L552-3(line 552) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point L420(lines 420 422) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point L288-2(line 288) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point L288-3(line 288) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2020-11-28 07:25:20,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,662 INFO L277 CegarLoopResult]: At program point L553(lines 16 572) the Hoare annotation is: true [2020-11-28 07:25:20,662 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2020-11-28 07:25:20,662 INFO L274 CegarLoopResult]: For program point L520(lines 520 522) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2020-11-28 07:25:20,663 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 07:25:20,664 INFO L274 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-11-28 07:25:20,664 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2020-11-28 07:25:20,664 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 567) the Hoare annotation is: (and (<= ULTIMATE.start_main_~this_buffer_empty~0 1) (<= 0 ULTIMATE.start_main_~this_buffer_empty~0) (<= 0 (+ ULTIMATE.start_main_~this_expect~0 2147483647)) (<= ULTIMATE.start_main_~this_expect~0 16)) [2020-11-28 07:25:20,664 INFO L274 CegarLoopResult]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2020-11-28 07:25:20,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2020-11-28 07:25:20,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,665 INFO L274 CegarLoopResult]: For program point L426-2(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point L426-3(line 426) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point L130(lines 130 145) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point L230(lines 230 245) no Hoare annotation was computed. [2020-11-28 07:25:20,666 INFO L274 CegarLoopResult]: For program point L98(lines 98 113) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point L65(lines 65 164) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point L330(lines 330 345) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point L165(lines 165 264) no Hoare annotation was computed. [2020-11-28 07:25:20,667 INFO L274 CegarLoopResult]: For program point L132(lines 132 143) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L430(lines 430 445) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L298(lines 298 313) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L265(lines 265 364) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L232(lines 232 243) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L166(lines 166 181) no Hoare annotation was computed. [2020-11-28 07:25:20,668 INFO L274 CegarLoopResult]: For program point L100(lines 100 111) no Hoare annotation was computed. [2020-11-28 07:25:20,669 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2020-11-28 07:25:20,669 INFO L270 CegarLoopResult]: At program point L563(lines 26 567) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~this_buffer_empty~0 1)) (.cse1 (<= 0 ULTIMATE.start_main_~this_buffer_empty~0)) (.cse2 (<= 0 (+ ULTIMATE.start_main_~this_expect~0 2147483647)))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_main_~this_expect~0 16)) (and .cse0 .cse1 (<= 3 ULTIMATE.start_main_~q~0) .cse2))) [2020-11-28 07:25:20,669 INFO L274 CegarLoopResult]: For program point L530(lines 530 545) no Hoare annotation was computed. [2020-11-28 07:25:20,669 INFO L274 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-11-28 07:25:20,669 INFO L274 CegarLoopResult]: For program point L365(lines 365 464) no Hoare annotation was computed. [2020-11-28 07:25:20,669 INFO L274 CegarLoopResult]: For program point L332(lines 332 343) no Hoare annotation was computed. [2020-11-28 07:25:20,669 INFO L274 CegarLoopResult]: For program point L266(lines 266 281) no Hoare annotation was computed. [2020-11-28 07:25:20,670 INFO L274 CegarLoopResult]: For program point L200(lines 200 211) no Hoare annotation was computed. [2020-11-28 07:25:20,670 INFO L274 CegarLoopResult]: For program point L68(lines 68 79) no Hoare annotation was computed. [2020-11-28 07:25:20,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:25:20 BoogieIcfgContainer [2020-11-28 07:25:20,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:25:20,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:25:20,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:25:20,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:25:20,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:25:15" (3/4) ... [2020-11-28 07:25:20,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:25:20,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 07:25:20,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:25:20,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:25:20,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:25:20,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34cde8b6-16e2-47ee-9219-bd379397369e/bin/utaipan/witness.graphml [2020-11-28 07:25:20,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:25:20,790 INFO L168 Benchmark]: Toolchain (without parser) took 7396.36 ms. Allocated memory was 86.0 MB in the beginning and 157.3 MB in the end (delta: 71.3 MB). Free memory was 53.9 MB in the beginning and 117.1 MB in the end (delta: -63.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,790 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 44.7 MB in the beginning and 44.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:25:20,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.00 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 53.9 MB in the end (delta: -135.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.34 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 49.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,792 INFO L168 Benchmark]: Boogie Preprocessor took 70.86 ms. Allocated memory is still 86.0 MB. Free memory was 49.3 MB in the beginning and 46.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,792 INFO L168 Benchmark]: RCFGBuilder took 1592.60 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 46.2 MB in the beginning and 68.3 MB in the end (delta: -22.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,793 INFO L168 Benchmark]: TraceAbstraction took 4994.99 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 68.3 MB in the beginning and 120.2 MB in the end (delta: -51.9 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,793 INFO L168 Benchmark]: Witness Printer took 82.96 ms. Allocated memory is still 157.3 MB. Free memory was 119.2 MB in the beginning and 117.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:25:20,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 44.7 MB in the beginning and 44.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.00 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 53.9 MB in the end (delta: -135.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.34 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 49.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.86 ms. Allocated memory is still 86.0 MB. Free memory was 49.3 MB in the beginning and 46.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1592.60 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 46.2 MB in the beginning and 68.3 MB in the end (delta: -22.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4994.99 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 68.3 MB in the beginning and 120.2 MB in the end (delta: -51.9 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.1 GB. * Witness Printer took 82.96 ms. Allocated memory is still 157.3 MB. Free memory was 119.2 MB in the beginning and 117.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((this_buffer_empty <= 1 && 0 <= this_buffer_empty) && 0 <= this_expect + 2147483647) && this_expect <= 16) || (((this_buffer_empty <= 1 && 0 <= this_buffer_empty) && 3 <= q) && 0 <= this_expect + 2147483647) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((this_buffer_empty <= 1 && 0 <= this_buffer_empty) && 0 <= this_expect + 2147483647) && this_expect <= 16 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 42 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1478 SDtfs, 1595 SDslu, 1089 SDs, 0 SdLazy, 335 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 115 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 109 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 48 HoareAnnotationTreeSize, 4 FomulaSimplifications, 209 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 18224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 53/68 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...