./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cf89e99ec222c802fb7936bfc1d20c1ff03ad59 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:22:56,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:22:56,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:22:56,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:22:56,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:22:56,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:22:56,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:22:56,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:22:56,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:22:56,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:22:56,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:22:56,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:22:56,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:22:56,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:22:56,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:22:56,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:22:56,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:22:56,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:22:56,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:22:56,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:22:56,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:22:56,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:22:56,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:22:56,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:22:56,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:22:56,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:22:56,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:22:56,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:22:56,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:22:56,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:22:56,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:22:56,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:22:56,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:22:56,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:22:56,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:22:56,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:22:56,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:22:56,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:22:56,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:22:56,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:22:56,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:22:56,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 23:22:56,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:22:56,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:22:56,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:22:56,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:22:56,665 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:22:56,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:22:56,665 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:22:56,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:22:56,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:22:56,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:22:56,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:22:56,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:22:56,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:22:56,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:22:56,668 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 23:22:56,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:22:56,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:22:56,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:22:56,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:22:56,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:22:56,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:22:56,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:22:56,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:22:56,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:22:56,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:22:56,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:22:56,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:22:56,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:22:56,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:22:56,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:22:56,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:22:56,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cf89e99ec222c802fb7936bfc1d20c1ff03ad59 [2020-11-29 23:22:56,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:22:56,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:22:56,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:22:56,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:22:56,953 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:22:56,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2020-11-29 23:22:57,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/data/6409d6192/d259a5cb037f46dbbd978d6c46ea9aa8/FLAGb6754e661 [2020-11-29 23:22:57,542 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:22:57,543 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2020-11-29 23:22:57,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/data/6409d6192/d259a5cb037f46dbbd978d6c46ea9aa8/FLAGb6754e661 [2020-11-29 23:22:57,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/data/6409d6192/d259a5cb037f46dbbd978d6c46ea9aa8 [2020-11-29 23:22:57,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:22:57,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:22:57,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:22:57,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:22:57,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:22:57,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:22:57" (1/1) ... [2020-11-29 23:22:57,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bffbad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:57, skipping insertion in model container [2020-11-29 23:22:57,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:22:57" (1/1) ... [2020-11-29 23:22:57,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:22:57,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:22:58,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:22:58,231 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:22:58,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:22:58,325 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:22:58,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58 WrapperNode [2020-11-29 23:22:58,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:22:58,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:22:58,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:22:58,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:22:58,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:22:58,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:22:58,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:22:58,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:22:58,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... [2020-11-29 23:22:58,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:22:58,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:22:58,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:22:58,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:22:58,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:22:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:22:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:22:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:22:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:22:58,705 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 23:22:59,475 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-29 23:22:59,476 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-29 23:22:59,485 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:22:59,485 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:22:59,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:22:59 BoogieIcfgContainer [2020-11-29 23:22:59,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:22:59,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:22:59,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:22:59,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:22:59,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:22:57" (1/3) ... [2020-11-29 23:22:59,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44885280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:22:59, skipping insertion in model container [2020-11-29 23:22:59,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:22:58" (2/3) ... [2020-11-29 23:22:59,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44885280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:22:59, skipping insertion in model container [2020-11-29 23:22:59,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:22:59" (3/3) ... [2020-11-29 23:22:59,493 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2020-11-29 23:22:59,502 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:22:59,506 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-29 23:22:59,516 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-29 23:22:59,542 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:22:59,542 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:22:59,542 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:22:59,543 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:22:59,543 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:22:59,543 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:22:59,543 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:22:59,543 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:22:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-11-29 23:22:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:22:59,567 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:22:59,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:22:59,568 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:22:59,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:22:59,572 INFO L82 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2020-11-29 23:22:59,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:22:59,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883972147] [2020-11-29 23:22:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:22:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:22:59,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:22:59,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883972147] [2020-11-29 23:22:59,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:22:59,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:22:59,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700596635] [2020-11-29 23:22:59,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:22:59,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:22:59,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:22:59,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:22:59,835 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-11-29 23:23:00,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:00,169 INFO L93 Difference]: Finished difference Result 325 states and 534 transitions. [2020-11-29 23:23:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:00,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 23:23:00,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:00,197 INFO L225 Difference]: With dead ends: 325 [2020-11-29 23:23:00,207 INFO L226 Difference]: Without dead ends: 156 [2020-11-29 23:23:00,211 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 [2020-11-29 23:23:00,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-29 23:23:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-11-29 23:23:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-29 23:23:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2020-11-29 23:23:00,284 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 17 [2020-11-29 23:23:00,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:00,284 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2020-11-29 23:23:00,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2020-11-29 23:23:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:23:00,285 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:00,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:00,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:23:00,286 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:00,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:00,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1356112173, now seen corresponding path program 1 times [2020-11-29 23:23:00,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:00,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051436843] [2020-11-29 23:23:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:00,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051436843] [2020-11-29 23:23:00,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:00,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:00,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498120788] [2020-11-29 23:23:00,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:00,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:00,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:00,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:00,390 INFO L87 Difference]: Start difference. First operand 156 states and 231 transitions. Second operand 3 states. [2020-11-29 23:23:00,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:00,685 INFO L93 Difference]: Finished difference Result 314 states and 463 transitions. [2020-11-29 23:23:00,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:00,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-29 23:23:00,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:00,689 INFO L225 Difference]: With dead ends: 314 [2020-11-29 23:23:00,690 INFO L226 Difference]: Without dead ends: 166 [2020-11-29 23:23:00,691 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 [2020-11-29 23:23:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-11-29 23:23:00,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 157. [2020-11-29 23:23:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-11-29 23:23:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 232 transitions. [2020-11-29 23:23:00,719 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 232 transitions. Word has length 18 [2020-11-29 23:23:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:00,721 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 232 transitions. [2020-11-29 23:23:00,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2020-11-29 23:23:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:23:00,723 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:00,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:00,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:23:00,725 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:00,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:00,726 INFO L82 PathProgramCache]: Analyzing trace with hash 15331092, now seen corresponding path program 1 times [2020-11-29 23:23:00,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:00,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934076649] [2020-11-29 23:23:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:00,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934076649] [2020-11-29 23:23:00,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:00,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:00,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264973452] [2020-11-29 23:23:00,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:00,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:00,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:00,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:00,806 INFO L87 Difference]: Start difference. First operand 157 states and 232 transitions. Second operand 3 states. [2020-11-29 23:23:01,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:01,072 INFO L93 Difference]: Finished difference Result 316 states and 465 transitions. [2020-11-29 23:23:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:01,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 23:23:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:01,075 INFO L225 Difference]: With dead ends: 316 [2020-11-29 23:23:01,075 INFO L226 Difference]: Without dead ends: 167 [2020-11-29 23:23:01,076 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 [2020-11-29 23:23:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-29 23:23:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 158. [2020-11-29 23:23:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-29 23:23:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 233 transitions. [2020-11-29 23:23:01,093 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 233 transitions. Word has length 19 [2020-11-29 23:23:01,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:01,093 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 233 transitions. [2020-11-29 23:23:01,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 233 transitions. [2020-11-29 23:23:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 23:23:01,094 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:01,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:01,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:23:01,095 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:01,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:01,096 INFO L82 PathProgramCache]: Analyzing trace with hash 953452818, now seen corresponding path program 1 times [2020-11-29 23:23:01,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:01,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804346270] [2020-11-29 23:23:01,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:01,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804346270] [2020-11-29 23:23:01,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:01,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:01,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906564064] [2020-11-29 23:23:01,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:01,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:01,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:01,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:01,194 INFO L87 Difference]: Start difference. First operand 158 states and 233 transitions. Second operand 3 states. [2020-11-29 23:23:01,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:01,425 INFO L93 Difference]: Finished difference Result 318 states and 467 transitions. [2020-11-29 23:23:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:01,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-29 23:23:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:01,428 INFO L225 Difference]: With dead ends: 318 [2020-11-29 23:23:01,428 INFO L226 Difference]: Without dead ends: 168 [2020-11-29 23:23:01,429 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 [2020-11-29 23:23:01,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-11-29 23:23:01,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 159. [2020-11-29 23:23:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-11-29 23:23:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 234 transitions. [2020-11-29 23:23:01,447 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 234 transitions. Word has length 20 [2020-11-29 23:23:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:01,447 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 234 transitions. [2020-11-29 23:23:01,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2020-11-29 23:23:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 23:23:01,452 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:01,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:01,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:23:01,453 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:01,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:01,453 INFO L82 PathProgramCache]: Analyzing trace with hash -476882471, now seen corresponding path program 1 times [2020-11-29 23:23:01,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:01,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470674075] [2020-11-29 23:23:01,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:01,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470674075] [2020-11-29 23:23:01,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:01,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:01,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466426616] [2020-11-29 23:23:01,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:01,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:01,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:01,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:01,519 INFO L87 Difference]: Start difference. First operand 159 states and 234 transitions. Second operand 3 states. [2020-11-29 23:23:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:01,785 INFO L93 Difference]: Finished difference Result 320 states and 469 transitions. [2020-11-29 23:23:01,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:01,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-29 23:23:01,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:01,787 INFO L225 Difference]: With dead ends: 320 [2020-11-29 23:23:01,787 INFO L226 Difference]: Without dead ends: 169 [2020-11-29 23:23:01,788 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 [2020-11-29 23:23:01,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-11-29 23:23:01,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 160. [2020-11-29 23:23:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-29 23:23:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 235 transitions. [2020-11-29 23:23:01,814 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 235 transitions. Word has length 21 [2020-11-29 23:23:01,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:01,814 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 235 transitions. [2020-11-29 23:23:01,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2020-11-29 23:23:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:23:01,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:01,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:01,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:23:01,819 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1380240252, now seen corresponding path program 1 times [2020-11-29 23:23:01,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:01,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142922955] [2020-11-29 23:23:01,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:01,848 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:01,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296282349] [2020-11-29 23:23:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:01,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:23:01,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:02,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142922955] [2020-11-29 23:23:02,024 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:02,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296282349] [2020-11-29 23:23:02,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:02,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:02,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957707413] [2020-11-29 23:23:02,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:02,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:02,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:02,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:02,026 INFO L87 Difference]: Start difference. First operand 160 states and 235 transitions. Second operand 3 states. [2020-11-29 23:23:02,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:02,239 INFO L93 Difference]: Finished difference Result 456 states and 673 transitions. [2020-11-29 23:23:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:02,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-11-29 23:23:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:02,243 INFO L225 Difference]: With dead ends: 456 [2020-11-29 23:23:02,243 INFO L226 Difference]: Without dead ends: 304 [2020-11-29 23:23:02,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:02,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-29 23:23:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2020-11-29 23:23:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-11-29 23:23:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 447 transitions. [2020-11-29 23:23:02,270 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 447 transitions. Word has length 40 [2020-11-29 23:23:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:02,276 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 447 transitions. [2020-11-29 23:23:02,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 447 transitions. [2020-11-29 23:23:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:23:02,284 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:02,284 INFO L422 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:02,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 23:23:02,500 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:02,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:02,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1758785265, now seen corresponding path program 1 times [2020-11-29 23:23:02,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:02,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399962564] [2020-11-29 23:23:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:02,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399962564] [2020-11-29 23:23:02,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:02,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:02,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511879842] [2020-11-29 23:23:02,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:02,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:02,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:02,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:02,589 INFO L87 Difference]: Start difference. First operand 300 states and 447 transitions. Second operand 3 states. [2020-11-29 23:23:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:02,910 INFO L93 Difference]: Finished difference Result 654 states and 988 transitions. [2020-11-29 23:23:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:02,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-29 23:23:02,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:02,915 INFO L225 Difference]: With dead ends: 654 [2020-11-29 23:23:02,917 INFO L226 Difference]: Without dead ends: 362 [2020-11-29 23:23:02,918 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 [2020-11-29 23:23:02,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-11-29 23:23:02,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2020-11-29 23:23:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-11-29 23:23:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 551 transitions. [2020-11-29 23:23:02,942 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 551 transitions. Word has length 45 [2020-11-29 23:23:02,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:02,942 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 551 transitions. [2020-11-29 23:23:02,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 551 transitions. [2020-11-29 23:23:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 23:23:02,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:02,946 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:02,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:23:02,947 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:02,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:02,947 INFO L82 PathProgramCache]: Analyzing trace with hash -23561181, now seen corresponding path program 1 times [2020-11-29 23:23:02,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:02,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840407105] [2020-11-29 23:23:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:02,978 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:02,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711716987] [2020-11-29 23:23:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/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 [2020-11-29 23:23:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:03,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:23:03,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:23:03,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840407105] [2020-11-29 23:23:03,093 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:03,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711716987] [2020-11-29 23:23:03,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:03,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:03,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813445234] [2020-11-29 23:23:03,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:03,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:03,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:03,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:03,095 INFO L87 Difference]: Start difference. First operand 362 states and 551 transitions. Second operand 3 states. [2020-11-29 23:23:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:03,170 INFO L93 Difference]: Finished difference Result 720 states and 1093 transitions. [2020-11-29 23:23:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:03,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-11-29 23:23:03,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:03,175 INFO L225 Difference]: With dead ends: 720 [2020-11-29 23:23:03,175 INFO L226 Difference]: Without dead ends: 537 [2020-11-29 23:23:03,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:03,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-11-29 23:23:03,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 533. [2020-11-29 23:23:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-11-29 23:23:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 816 transitions. [2020-11-29 23:23:03,199 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 816 transitions. Word has length 56 [2020-11-29 23:23:03,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:03,199 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 816 transitions. [2020-11-29 23:23:03,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 816 transitions. [2020-11-29 23:23:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 23:23:03,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:03,202 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:03,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:03,416 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:03,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:03,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1156189689, now seen corresponding path program 1 times [2020-11-29 23:23:03,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:03,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049975607] [2020-11-29 23:23:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:03,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049975607] [2020-11-29 23:23:03,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:03,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:03,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767563433] [2020-11-29 23:23:03,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:03,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:03,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:03,487 INFO L87 Difference]: Start difference. First operand 533 states and 816 transitions. Second operand 3 states. [2020-11-29 23:23:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:03,773 INFO L93 Difference]: Finished difference Result 1112 states and 1695 transitions. [2020-11-29 23:23:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:03,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-11-29 23:23:03,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:03,778 INFO L225 Difference]: With dead ends: 1112 [2020-11-29 23:23:03,779 INFO L226 Difference]: Without dead ends: 587 [2020-11-29 23:23:03,780 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 [2020-11-29 23:23:03,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-11-29 23:23:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2020-11-29 23:23:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-29 23:23:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 879 transitions. [2020-11-29 23:23:03,811 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 879 transitions. Word has length 57 [2020-11-29 23:23:03,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:03,812 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 879 transitions. [2020-11-29 23:23:03,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 879 transitions. [2020-11-29 23:23:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 23:23:03,813 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:03,814 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:03,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:23:03,815 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:03,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:03,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1289299726, now seen corresponding path program 1 times [2020-11-29 23:23:03,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:03,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103139769] [2020-11-29 23:23:03,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:03,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103139769] [2020-11-29 23:23:03,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:03,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:03,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390543735] [2020-11-29 23:23:03,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:03,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:03,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:03,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:03,886 INFO L87 Difference]: Start difference. First operand 581 states and 879 transitions. Second operand 3 states. [2020-11-29 23:23:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:04,139 INFO L93 Difference]: Finished difference Result 1163 states and 1758 transitions. [2020-11-29 23:23:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:04,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-29 23:23:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:04,145 INFO L225 Difference]: With dead ends: 1163 [2020-11-29 23:23:04,145 INFO L226 Difference]: Without dead ends: 590 [2020-11-29 23:23:04,146 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 [2020-11-29 23:23:04,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-11-29 23:23:04,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 584. [2020-11-29 23:23:04,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-11-29 23:23:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 879 transitions. [2020-11-29 23:23:04,172 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 879 transitions. Word has length 58 [2020-11-29 23:23:04,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:04,172 INFO L481 AbstractCegarLoop]: Abstraction has 584 states and 879 transitions. [2020-11-29 23:23:04,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 879 transitions. [2020-11-29 23:23:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 23:23:04,173 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:04,173 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:04,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:23:04,174 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:04,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:04,175 INFO L82 PathProgramCache]: Analyzing trace with hash 3546486, now seen corresponding path program 1 times [2020-11-29 23:23:04,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:04,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008847673] [2020-11-29 23:23:04,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:04,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008847673] [2020-11-29 23:23:04,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:04,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:04,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940302831] [2020-11-29 23:23:04,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:04,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:04,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:04,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:04,247 INFO L87 Difference]: Start difference. First operand 584 states and 879 transitions. Second operand 3 states. [2020-11-29 23:23:04,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:04,579 INFO L93 Difference]: Finished difference Result 1292 states and 1971 transitions. [2020-11-29 23:23:04,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:04,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-11-29 23:23:04,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:04,585 INFO L225 Difference]: With dead ends: 1292 [2020-11-29 23:23:04,586 INFO L226 Difference]: Without dead ends: 716 [2020-11-29 23:23:04,587 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 [2020-11-29 23:23:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-29 23:23:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 710. [2020-11-29 23:23:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2020-11-29 23:23:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1092 transitions. [2020-11-29 23:23:04,619 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1092 transitions. Word has length 71 [2020-11-29 23:23:04,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:04,619 INFO L481 AbstractCegarLoop]: Abstraction has 710 states and 1092 transitions. [2020-11-29 23:23:04,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1092 transitions. [2020-11-29 23:23:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 23:23:04,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:04,621 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2020-11-29 23:23:04,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 23:23:04,621 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:04,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:04,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1399805589, now seen corresponding path program 1 times [2020-11-29 23:23:04,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:04,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717779236] [2020-11-29 23:23:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:04,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717779236] [2020-11-29 23:23:04,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:04,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:04,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136656396] [2020-11-29 23:23:04,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:04,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:04,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:04,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:04,689 INFO L87 Difference]: Start difference. First operand 710 states and 1092 transitions. Second operand 3 states. [2020-11-29 23:23:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:05,038 INFO L93 Difference]: Finished difference Result 1514 states and 2337 transitions. [2020-11-29 23:23:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:05,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-29 23:23:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:05,044 INFO L225 Difference]: With dead ends: 1514 [2020-11-29 23:23:05,044 INFO L226 Difference]: Without dead ends: 812 [2020-11-29 23:23:05,046 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 [2020-11-29 23:23:05,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-11-29 23:23:05,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 791. [2020-11-29 23:23:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2020-11-29 23:23:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1212 transitions. [2020-11-29 23:23:05,093 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1212 transitions. Word has length 72 [2020-11-29 23:23:05,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:05,094 INFO L481 AbstractCegarLoop]: Abstraction has 791 states and 1212 transitions. [2020-11-29 23:23:05,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1212 transitions. [2020-11-29 23:23:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 23:23:05,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:05,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:05,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 23:23:05,096 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:05,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:05,096 INFO L82 PathProgramCache]: Analyzing trace with hash -10581937, now seen corresponding path program 1 times [2020-11-29 23:23:05,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:05,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292222069] [2020-11-29 23:23:05,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:05,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292222069] [2020-11-29 23:23:05,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:05,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:05,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703652028] [2020-11-29 23:23:05,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:05,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:05,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:05,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:05,133 INFO L87 Difference]: Start difference. First operand 791 states and 1212 transitions. Second operand 3 states. [2020-11-29 23:23:05,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:05,492 INFO L93 Difference]: Finished difference Result 1583 states and 2424 transitions. [2020-11-29 23:23:05,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:05,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-29 23:23:05,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:05,498 INFO L225 Difference]: With dead ends: 1583 [2020-11-29 23:23:05,498 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 23:23:05,500 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 [2020-11-29 23:23:05,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 23:23:05,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 794. [2020-11-29 23:23:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-11-29 23:23:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1212 transitions. [2020-11-29 23:23:05,536 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1212 transitions. Word has length 72 [2020-11-29 23:23:05,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:05,536 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1212 transitions. [2020-11-29 23:23:05,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1212 transitions. [2020-11-29 23:23:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 23:23:05,543 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:05,544 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2020-11-29 23:23:05,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 23:23:05,544 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:05,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:05,545 INFO L82 PathProgramCache]: Analyzing trace with hash -302249710, now seen corresponding path program 1 times [2020-11-29 23:23:05,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:05,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744017051] [2020-11-29 23:23:05,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:05,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744017051] [2020-11-29 23:23:05,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:05,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:05,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022328491] [2020-11-29 23:23:05,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:05,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:05,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:05,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:05,590 INFO L87 Difference]: Start difference. First operand 794 states and 1212 transitions. Second operand 3 states. [2020-11-29 23:23:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:05,947 INFO L93 Difference]: Finished difference Result 1601 states and 2448 transitions. [2020-11-29 23:23:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:05,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-11-29 23:23:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:05,954 INFO L225 Difference]: With dead ends: 1601 [2020-11-29 23:23:05,954 INFO L226 Difference]: Without dead ends: 815 [2020-11-29 23:23:05,956 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 [2020-11-29 23:23:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-11-29 23:23:05,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 794. [2020-11-29 23:23:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-11-29 23:23:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1203 transitions. [2020-11-29 23:23:05,993 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1203 transitions. Word has length 73 [2020-11-29 23:23:05,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:05,994 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1203 transitions. [2020-11-29 23:23:05,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1203 transitions. [2020-11-29 23:23:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 23:23:05,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:05,996 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:05,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 23:23:05,996 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:05,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:05,997 INFO L82 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2020-11-29 23:23:05,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:05,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013516841] [2020-11-29 23:23:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:06,017 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:06,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975651963] [2020-11-29 23:23:06,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:06,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:23:06,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 23:23:06,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013516841] [2020-11-29 23:23:06,138 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:06,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975651963] [2020-11-29 23:23:06,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:06,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:06,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132565890] [2020-11-29 23:23:06,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:06,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:06,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:06,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:06,140 INFO L87 Difference]: Start difference. First operand 794 states and 1203 transitions. Second operand 3 states. [2020-11-29 23:23:06,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:06,215 INFO L93 Difference]: Finished difference Result 1584 states and 2397 transitions. [2020-11-29 23:23:06,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:06,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-11-29 23:23:06,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:06,222 INFO L225 Difference]: With dead ends: 1584 [2020-11-29 23:23:06,222 INFO L226 Difference]: Without dead ends: 1056 [2020-11-29 23:23:06,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:06,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-11-29 23:23:06,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1052. [2020-11-29 23:23:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-29 23:23:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1598 transitions. [2020-11-29 23:23:06,269 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1598 transitions. Word has length 77 [2020-11-29 23:23:06,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:06,269 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1598 transitions. [2020-11-29 23:23:06,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1598 transitions. [2020-11-29 23:23:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-29 23:23:06,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:06,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:06,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 23:23:06,493 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:06,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:06,493 INFO L82 PathProgramCache]: Analyzing trace with hash 255966258, now seen corresponding path program 1 times [2020-11-29 23:23:06,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:06,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604432824] [2020-11-29 23:23:06,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:06,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604432824] [2020-11-29 23:23:06,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:06,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:06,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410920439] [2020-11-29 23:23:06,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:06,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:06,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:06,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:06,584 INFO L87 Difference]: Start difference. First operand 1052 states and 1598 transitions. Second operand 3 states. [2020-11-29 23:23:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:06,973 INFO L93 Difference]: Finished difference Result 2280 states and 3476 transitions. [2020-11-29 23:23:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:06,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-11-29 23:23:06,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:06,982 INFO L225 Difference]: With dead ends: 2280 [2020-11-29 23:23:06,982 INFO L226 Difference]: Without dead ends: 1236 [2020-11-29 23:23:06,984 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 [2020-11-29 23:23:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2020-11-29 23:23:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1224. [2020-11-29 23:23:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2020-11-29 23:23:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1874 transitions. [2020-11-29 23:23:07,030 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1874 transitions. Word has length 87 [2020-11-29 23:23:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:07,031 INFO L481 AbstractCegarLoop]: Abstraction has 1224 states and 1874 transitions. [2020-11-29 23:23:07,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1874 transitions. [2020-11-29 23:23:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-29 23:23:07,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:07,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:07,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 23:23:07,033 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:07,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:07,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1223364464, now seen corresponding path program 1 times [2020-11-29 23:23:07,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:07,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970104124] [2020-11-29 23:23:07,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:23:07,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970104124] [2020-11-29 23:23:07,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:07,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:07,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868488559] [2020-11-29 23:23:07,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:07,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:07,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:07,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:07,077 INFO L87 Difference]: Start difference. First operand 1224 states and 1874 transitions. Second operand 3 states. [2020-11-29 23:23:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:07,509 INFO L93 Difference]: Finished difference Result 2500 states and 3840 transitions. [2020-11-29 23:23:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:07,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-11-29 23:23:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:07,517 INFO L225 Difference]: With dead ends: 2500 [2020-11-29 23:23:07,517 INFO L226 Difference]: Without dead ends: 1276 [2020-11-29 23:23:07,520 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 [2020-11-29 23:23:07,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-11-29 23:23:07,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1264. [2020-11-29 23:23:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1264 states. [2020-11-29 23:23:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1950 transitions. [2020-11-29 23:23:07,565 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1950 transitions. Word has length 88 [2020-11-29 23:23:07,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:07,565 INFO L481 AbstractCegarLoop]: Abstraction has 1264 states and 1950 transitions. [2020-11-29 23:23:07,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1950 transitions. [2020-11-29 23:23:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 23:23:07,568 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:07,568 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:07,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 23:23:07,568 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:07,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:07,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1116790719, now seen corresponding path program 1 times [2020-11-29 23:23:07,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:07,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882727327] [2020-11-29 23:23:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 23:23:07,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882727327] [2020-11-29 23:23:07,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:07,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:07,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631613915] [2020-11-29 23:23:07,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:07,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:07,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:07,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:07,622 INFO L87 Difference]: Start difference. First operand 1264 states and 1950 transitions. Second operand 3 states. [2020-11-29 23:23:07,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:07,973 INFO L93 Difference]: Finished difference Result 2668 states and 4124 transitions. [2020-11-29 23:23:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:07,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 23:23:07,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:07,981 INFO L225 Difference]: With dead ends: 2668 [2020-11-29 23:23:07,982 INFO L226 Difference]: Without dead ends: 1412 [2020-11-29 23:23:07,984 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 [2020-11-29 23:23:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2020-11-29 23:23:08,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2020-11-29 23:23:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-11-29 23:23:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2086 transitions. [2020-11-29 23:23:08,030 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2086 transitions. Word has length 98 [2020-11-29 23:23:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:08,031 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 2086 transitions. [2020-11-29 23:23:08,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2086 transitions. [2020-11-29 23:23:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 23:23:08,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:08,033 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:08,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 23:23:08,034 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:08,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:08,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1441074182, now seen corresponding path program 1 times [2020-11-29 23:23:08,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:08,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587015305] [2020-11-29 23:23:08,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 23:23:08,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587015305] [2020-11-29 23:23:08,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:08,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:08,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886059966] [2020-11-29 23:23:08,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:08,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:08,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:08,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:08,077 INFO L87 Difference]: Start difference. First operand 1364 states and 2086 transitions. Second operand 3 states. [2020-11-29 23:23:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:08,436 INFO L93 Difference]: Finished difference Result 2768 states and 4240 transitions. [2020-11-29 23:23:08,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:08,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 23:23:08,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:08,445 INFO L225 Difference]: With dead ends: 2768 [2020-11-29 23:23:08,445 INFO L226 Difference]: Without dead ends: 1412 [2020-11-29 23:23:08,447 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 [2020-11-29 23:23:08,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2020-11-29 23:23:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2020-11-29 23:23:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-11-29 23:23:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2066 transitions. [2020-11-29 23:23:08,518 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2066 transitions. Word has length 99 [2020-11-29 23:23:08,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:08,518 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 2066 transitions. [2020-11-29 23:23:08,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2066 transitions. [2020-11-29 23:23:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-29 23:23:08,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:08,521 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2020-11-29 23:23:08,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 23:23:08,521 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:08,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:08,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1328244108, now seen corresponding path program 1 times [2020-11-29 23:23:08,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:08,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135453316] [2020-11-29 23:23:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:08,535 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:08,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591894586] [2020-11-29 23:23:08,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:08,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:23:08,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 23:23:08,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135453316] [2020-11-29 23:23:08,663 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:08,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591894586] [2020-11-29 23:23:08,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:08,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:08,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83946838] [2020-11-29 23:23:08,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:08,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:08,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:08,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:08,665 INFO L87 Difference]: Start difference. First operand 1364 states and 2066 transitions. Second operand 3 states. [2020-11-29 23:23:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:09,011 INFO L93 Difference]: Finished difference Result 2756 states and 4164 transitions. [2020-11-29 23:23:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:09,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-29 23:23:09,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:09,021 INFO L225 Difference]: With dead ends: 2756 [2020-11-29 23:23:09,021 INFO L226 Difference]: Without dead ends: 1400 [2020-11-29 23:23:09,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:09,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2020-11-29 23:23:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1364. [2020-11-29 23:23:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-11-29 23:23:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1994 transitions. [2020-11-29 23:23:09,103 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1994 transitions. Word has length 117 [2020-11-29 23:23:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:09,104 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 1994 transitions. [2020-11-29 23:23:09,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1994 transitions. [2020-11-29 23:23:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-29 23:23:09,107 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:09,107 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:09,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:09,332 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:09,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:09,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1689064237, now seen corresponding path program 1 times [2020-11-29 23:23:09,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:09,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073482072] [2020-11-29 23:23:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-29 23:23:09,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073482072] [2020-11-29 23:23:09,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:09,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:09,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861134740] [2020-11-29 23:23:09,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:09,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:09,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:09,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:09,389 INFO L87 Difference]: Start difference. First operand 1364 states and 1994 transitions. Second operand 3 states. [2020-11-29 23:23:09,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:09,737 INFO L93 Difference]: Finished difference Result 2828 states and 4136 transitions. [2020-11-29 23:23:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:09,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-29 23:23:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:09,749 INFO L225 Difference]: With dead ends: 2828 [2020-11-29 23:23:09,750 INFO L226 Difference]: Without dead ends: 1472 [2020-11-29 23:23:09,752 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 [2020-11-29 23:23:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-11-29 23:23:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2020-11-29 23:23:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2020-11-29 23:23:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2118 transitions. [2020-11-29 23:23:09,802 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2118 transitions. Word has length 118 [2020-11-29 23:23:09,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:09,803 INFO L481 AbstractCegarLoop]: Abstraction has 1460 states and 2118 transitions. [2020-11-29 23:23:09,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2118 transitions. [2020-11-29 23:23:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-29 23:23:09,805 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:09,806 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:09,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-29 23:23:09,806 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:09,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:09,807 INFO L82 PathProgramCache]: Analyzing trace with hash 582430036, now seen corresponding path program 1 times [2020-11-29 23:23:09,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:09,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485423499] [2020-11-29 23:23:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-29 23:23:09,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485423499] [2020-11-29 23:23:09,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:09,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:09,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965805808] [2020-11-29 23:23:09,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:09,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:09,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:09,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:09,872 INFO L87 Difference]: Start difference. First operand 1460 states and 2118 transitions. Second operand 3 states. [2020-11-29 23:23:10,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:10,329 INFO L93 Difference]: Finished difference Result 2924 states and 4240 transitions. [2020-11-29 23:23:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:10,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-29 23:23:10,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:10,339 INFO L225 Difference]: With dead ends: 2924 [2020-11-29 23:23:10,339 INFO L226 Difference]: Without dead ends: 1472 [2020-11-29 23:23:10,341 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 [2020-11-29 23:23:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-11-29 23:23:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2020-11-29 23:23:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2020-11-29 23:23:10,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2098 transitions. [2020-11-29 23:23:10,393 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2098 transitions. Word has length 119 [2020-11-29 23:23:10,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:10,393 INFO L481 AbstractCegarLoop]: Abstraction has 1460 states and 2098 transitions. [2020-11-29 23:23:10,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2098 transitions. [2020-11-29 23:23:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-29 23:23:10,396 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:10,397 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:10,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-29 23:23:10,397 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:10,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash -790883194, now seen corresponding path program 1 times [2020-11-29 23:23:10,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:10,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352608325] [2020-11-29 23:23:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 23:23:10,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352608325] [2020-11-29 23:23:10,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:10,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:10,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959387568] [2020-11-29 23:23:10,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:10,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:10,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:10,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:10,457 INFO L87 Difference]: Start difference. First operand 1460 states and 2098 transitions. Second operand 3 states. [2020-11-29 23:23:11,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:11,134 INFO L93 Difference]: Finished difference Result 3092 states and 4446 transitions. [2020-11-29 23:23:11,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:11,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-11-29 23:23:11,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:11,146 INFO L225 Difference]: With dead ends: 3092 [2020-11-29 23:23:11,146 INFO L226 Difference]: Without dead ends: 1640 [2020-11-29 23:23:11,148 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 [2020-11-29 23:23:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-11-29 23:23:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2020-11-29 23:23:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1624 states. [2020-11-29 23:23:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2338 transitions. [2020-11-29 23:23:11,203 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2338 transitions. Word has length 127 [2020-11-29 23:23:11,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:11,203 INFO L481 AbstractCegarLoop]: Abstraction has 1624 states and 2338 transitions. [2020-11-29 23:23:11,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2338 transitions. [2020-11-29 23:23:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-29 23:23:11,206 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:11,207 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:11,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-29 23:23:11,207 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:11,208 INFO L82 PathProgramCache]: Analyzing trace with hash 13650500, now seen corresponding path program 1 times [2020-11-29 23:23:11,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:11,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803209083] [2020-11-29 23:23:11,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 23:23:11,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803209083] [2020-11-29 23:23:11,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:11,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:11,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762912618] [2020-11-29 23:23:11,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:11,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:11,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:11,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:11,273 INFO L87 Difference]: Start difference. First operand 1624 states and 2338 transitions. Second operand 3 states. [2020-11-29 23:23:11,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:11,746 INFO L93 Difference]: Finished difference Result 3256 states and 4682 transitions. [2020-11-29 23:23:11,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:11,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-29 23:23:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:11,756 INFO L225 Difference]: With dead ends: 3256 [2020-11-29 23:23:11,756 INFO L226 Difference]: Without dead ends: 1632 [2020-11-29 23:23:11,758 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 [2020-11-29 23:23:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2020-11-29 23:23:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1616. [2020-11-29 23:23:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2020-11-29 23:23:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2322 transitions. [2020-11-29 23:23:11,825 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2322 transitions. Word has length 128 [2020-11-29 23:23:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:11,826 INFO L481 AbstractCegarLoop]: Abstraction has 1616 states and 2322 transitions. [2020-11-29 23:23:11,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2322 transitions. [2020-11-29 23:23:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-29 23:23:11,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:11,832 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:11,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 23:23:11,832 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:11,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:11,833 INFO L82 PathProgramCache]: Analyzing trace with hash -802934786, now seen corresponding path program 1 times [2020-11-29 23:23:11,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:11,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28824507] [2020-11-29 23:23:11,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-29 23:23:11,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28824507] [2020-11-29 23:23:11,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:11,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:11,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585243783] [2020-11-29 23:23:11,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:11,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:11,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:11,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:11,888 INFO L87 Difference]: Start difference. First operand 1616 states and 2322 transitions. Second operand 3 states. [2020-11-29 23:23:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:12,289 INFO L93 Difference]: Finished difference Result 3324 states and 4779 transitions. [2020-11-29 23:23:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:12,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-29 23:23:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:12,299 INFO L225 Difference]: With dead ends: 3324 [2020-11-29 23:23:12,299 INFO L226 Difference]: Without dead ends: 1716 [2020-11-29 23:23:12,301 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 [2020-11-29 23:23:12,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-11-29 23:23:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2020-11-29 23:23:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-29 23:23:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2418 transitions. [2020-11-29 23:23:12,384 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2418 transitions. Word has length 139 [2020-11-29 23:23:12,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:12,384 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 2418 transitions. [2020-11-29 23:23:12,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2418 transitions. [2020-11-29 23:23:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-29 23:23:12,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:12,389 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:12,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-29 23:23:12,390 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:12,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:12,390 INFO L82 PathProgramCache]: Analyzing trace with hash -2125881129, now seen corresponding path program 1 times [2020-11-29 23:23:12,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:12,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504011336] [2020-11-29 23:23:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-29 23:23:12,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504011336] [2020-11-29 23:23:12,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:12,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:12,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111555896] [2020-11-29 23:23:12,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:12,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:12,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:12,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:12,460 INFO L87 Difference]: Start difference. First operand 1700 states and 2418 transitions. Second operand 3 states. [2020-11-29 23:23:12,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:12,882 INFO L93 Difference]: Finished difference Result 3408 states and 4847 transitions. [2020-11-29 23:23:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:12,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-11-29 23:23:12,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:12,891 INFO L225 Difference]: With dead ends: 3408 [2020-11-29 23:23:12,891 INFO L226 Difference]: Without dead ends: 1716 [2020-11-29 23:23:12,894 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 [2020-11-29 23:23:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-11-29 23:23:12,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2020-11-29 23:23:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-29 23:23:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2390 transitions. [2020-11-29 23:23:12,951 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2390 transitions. Word has length 140 [2020-11-29 23:23:12,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:12,951 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 2390 transitions. [2020-11-29 23:23:12,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:12,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2390 transitions. [2020-11-29 23:23:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-29 23:23:12,955 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:12,956 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:12,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 23:23:12,956 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:12,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:12,957 INFO L82 PathProgramCache]: Analyzing trace with hash 791329785, now seen corresponding path program 1 times [2020-11-29 23:23:12,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:12,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874888935] [2020-11-29 23:23:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2020-11-29 23:23:13,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874888935] [2020-11-29 23:23:13,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:13,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:13,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068270017] [2020-11-29 23:23:13,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:13,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:13,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:13,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:13,006 INFO L87 Difference]: Start difference. First operand 1700 states and 2390 transitions. Second operand 3 states. [2020-11-29 23:23:13,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:13,134 INFO L93 Difference]: Finished difference Result 3374 states and 4736 transitions. [2020-11-29 23:23:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:13,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-29 23:23:13,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:13,143 INFO L225 Difference]: With dead ends: 3374 [2020-11-29 23:23:13,144 INFO L226 Difference]: Without dead ends: 1682 [2020-11-29 23:23:13,146 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 [2020-11-29 23:23:13,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2020-11-29 23:23:13,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1678. [2020-11-29 23:23:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2020-11-29 23:23:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2357 transitions. [2020-11-29 23:23:13,203 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2357 transitions. Word has length 155 [2020-11-29 23:23:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:13,204 INFO L481 AbstractCegarLoop]: Abstraction has 1678 states and 2357 transitions. [2020-11-29 23:23:13,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2357 transitions. [2020-11-29 23:23:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-29 23:23:13,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:13,207 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:13,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 23:23:13,208 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:13,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:13,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1730809671, now seen corresponding path program 1 times [2020-11-29 23:23:13,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:13,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457186261] [2020-11-29 23:23:13,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-29 23:23:13,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457186261] [2020-11-29 23:23:13,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499097556] [2020-11-29 23:23:13,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:13,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:23:13,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-29 23:23:13,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:23:13,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 23:23:13,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745862372] [2020-11-29 23:23:13,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:23:13,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:13,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:23:13,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:13,404 INFO L87 Difference]: Start difference. First operand 1678 states and 2357 transitions. Second operand 4 states. [2020-11-29 23:23:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:14,460 INFO L93 Difference]: Finished difference Result 5292 states and 7423 transitions. [2020-11-29 23:23:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:23:14,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2020-11-29 23:23:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:14,470 INFO L225 Difference]: With dead ends: 5292 [2020-11-29 23:23:14,471 INFO L226 Difference]: Without dead ends: 3522 [2020-11-29 23:23:14,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:23:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3522 states. [2020-11-29 23:23:14,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3522 to 2066. [2020-11-29 23:23:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2066 states. [2020-11-29 23:23:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2917 transitions. [2020-11-29 23:23:14,561 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2917 transitions. Word has length 155 [2020-11-29 23:23:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:14,562 INFO L481 AbstractCegarLoop]: Abstraction has 2066 states and 2917 transitions. [2020-11-29 23:23:14,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:23:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2917 transitions. [2020-11-29 23:23:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-29 23:23:14,566 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:14,566 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:14,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-29 23:23:14,784 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:14,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:14,785 INFO L82 PathProgramCache]: Analyzing trace with hash -481927805, now seen corresponding path program 1 times [2020-11-29 23:23:14,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:14,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162945250] [2020-11-29 23:23:14,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-29 23:23:14,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162945250] [2020-11-29 23:23:14,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450183872] [2020-11-29 23:23:14,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:14,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:23:14,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-29 23:23:15,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:23:15,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 23:23:15,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101339249] [2020-11-29 23:23:15,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:23:15,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:15,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:23:15,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:15,026 INFO L87 Difference]: Start difference. First operand 2066 states and 2917 transitions. Second operand 4 states. [2020-11-29 23:23:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:16,048 INFO L93 Difference]: Finished difference Result 5633 states and 7890 transitions. [2020-11-29 23:23:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:23:16,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-11-29 23:23:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:16,060 INFO L225 Difference]: With dead ends: 5633 [2020-11-29 23:23:16,072 INFO L226 Difference]: Without dead ends: 3575 [2020-11-29 23:23:16,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:23:16,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2020-11-29 23:23:16,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 2576. [2020-11-29 23:23:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2576 states. [2020-11-29 23:23:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3494 transitions. [2020-11-29 23:23:16,182 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3494 transitions. Word has length 157 [2020-11-29 23:23:16,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:16,182 INFO L481 AbstractCegarLoop]: Abstraction has 2576 states and 3494 transitions. [2020-11-29 23:23:16,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:23:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3494 transitions. [2020-11-29 23:23:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-29 23:23:16,187 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:16,187 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:16,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-11-29 23:23:16,416 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:16,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:16,417 INFO L82 PathProgramCache]: Analyzing trace with hash -224165000, now seen corresponding path program 1 times [2020-11-29 23:23:16,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:16,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319586709] [2020-11-29 23:23:16,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 23:23:16,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319586709] [2020-11-29 23:23:16,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:16,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:16,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193776633] [2020-11-29 23:23:16,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:16,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:16,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:16,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:16,483 INFO L87 Difference]: Start difference. First operand 2576 states and 3494 transitions. Second operand 3 states. [2020-11-29 23:23:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:16,895 INFO L93 Difference]: Finished difference Result 4365 states and 5920 transitions. [2020-11-29 23:23:16,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:16,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-11-29 23:23:16,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:16,902 INFO L225 Difference]: With dead ends: 4365 [2020-11-29 23:23:16,902 INFO L226 Difference]: Without dead ends: 2346 [2020-11-29 23:23:16,905 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 [2020-11-29 23:23:16,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2020-11-29 23:23:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2346. [2020-11-29 23:23:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2346 states. [2020-11-29 23:23:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3176 transitions. [2020-11-29 23:23:17,008 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3176 transitions. Word has length 164 [2020-11-29 23:23:17,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:17,009 INFO L481 AbstractCegarLoop]: Abstraction has 2346 states and 3176 transitions. [2020-11-29 23:23:17,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3176 transitions. [2020-11-29 23:23:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-29 23:23:17,013 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:17,013 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:17,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-29 23:23:17,013 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:17,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:17,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1734409786, now seen corresponding path program 1 times [2020-11-29 23:23:17,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:17,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964844651] [2020-11-29 23:23:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-29 23:23:17,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964844651] [2020-11-29 23:23:17,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977533624] [2020-11-29 23:23:17,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:17,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:23:17,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-29 23:23:17,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:23:17,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 23:23:17,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579296512] [2020-11-29 23:23:17,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:23:17,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:17,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:23:17,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:17,210 INFO L87 Difference]: Start difference. First operand 2346 states and 3176 transitions. Second operand 4 states. [2020-11-29 23:23:18,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:18,001 INFO L93 Difference]: Finished difference Result 5486 states and 7378 transitions. [2020-11-29 23:23:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:23:18,002 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2020-11-29 23:23:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:18,007 INFO L225 Difference]: With dead ends: 5486 [2020-11-29 23:23:18,007 INFO L226 Difference]: Without dead ends: 3125 [2020-11-29 23:23:18,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:23:18,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2020-11-29 23:23:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 2121. [2020-11-29 23:23:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2121 states. [2020-11-29 23:23:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2854 transitions. [2020-11-29 23:23:18,083 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2854 transitions. Word has length 164 [2020-11-29 23:23:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:18,083 INFO L481 AbstractCegarLoop]: Abstraction has 2121 states and 2854 transitions. [2020-11-29 23:23:18,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:23:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2854 transitions. [2020-11-29 23:23:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-29 23:23:18,088 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:18,088 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:18,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:18,310 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:18,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1887802310, now seen corresponding path program 1 times [2020-11-29 23:23:18,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:18,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061440293] [2020-11-29 23:23:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-11-29 23:23:18,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061440293] [2020-11-29 23:23:18,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:18,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:18,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83087637] [2020-11-29 23:23:18,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:18,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:18,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:18,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:18,379 INFO L87 Difference]: Start difference. First operand 2121 states and 2854 transitions. Second operand 3 states. [2020-11-29 23:23:18,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:18,492 INFO L93 Difference]: Finished difference Result 5130 states and 6841 transitions. [2020-11-29 23:23:18,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:18,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-29 23:23:18,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:18,498 INFO L225 Difference]: With dead ends: 5130 [2020-11-29 23:23:18,499 INFO L226 Difference]: Without dead ends: 3017 [2020-11-29 23:23:18,501 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 [2020-11-29 23:23:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-11-29 23:23:18,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 3013. [2020-11-29 23:23:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3013 states. [2020-11-29 23:23:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 3987 transitions. [2020-11-29 23:23:18,616 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 3987 transitions. Word has length 166 [2020-11-29 23:23:18,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:18,617 INFO L481 AbstractCegarLoop]: Abstraction has 3013 states and 3987 transitions. [2020-11-29 23:23:18,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3987 transitions. [2020-11-29 23:23:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-29 23:23:18,622 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:18,622 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:18,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-11-29 23:23:18,623 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:18,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1582016052, now seen corresponding path program 1 times [2020-11-29 23:23:18,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:18,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349946111] [2020-11-29 23:23:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:18,639 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:18,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819465202] [2020-11-29 23:23:18,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:18,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:23:18,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-11-29 23:23:18,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349946111] [2020-11-29 23:23:18,818 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:18,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819465202] [2020-11-29 23:23:18,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:18,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:18,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933872841] [2020-11-29 23:23:18,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:23:18,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:23:18,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:18,821 INFO L87 Difference]: Start difference. First operand 3013 states and 3987 transitions. Second operand 4 states. [2020-11-29 23:23:19,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:19,553 INFO L93 Difference]: Finished difference Result 4567 states and 5947 transitions. [2020-11-29 23:23:19,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:23:19,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 187 [2020-11-29 23:23:19,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:19,564 INFO L225 Difference]: With dead ends: 4567 [2020-11-29 23:23:19,564 INFO L226 Difference]: Without dead ends: 3840 [2020-11-29 23:23:19,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2020-11-29 23:23:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3710. [2020-11-29 23:23:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3710 states. [2020-11-29 23:23:19,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3710 states and 4866 transitions. [2020-11-29 23:23:19,711 INFO L78 Accepts]: Start accepts. Automaton has 3710 states and 4866 transitions. Word has length 187 [2020-11-29 23:23:19,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:19,712 INFO L481 AbstractCegarLoop]: Abstraction has 3710 states and 4866 transitions. [2020-11-29 23:23:19,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:23:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 4866 transitions. [2020-11-29 23:23:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-29 23:23:19,718 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:19,718 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:19,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2020-11-29 23:23:19,944 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:19,945 INFO L82 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2020-11-29 23:23:19,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:19,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363892965] [2020-11-29 23:23:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:19,961 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:19,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [746523157] [2020-11-29 23:23:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:20,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 23:23:20,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-29 23:23:20,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363892965] [2020-11-29 23:23:20,166 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:20,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746523157] [2020-11-29 23:23:20,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:20,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:23:20,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012757483] [2020-11-29 23:23:20,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:23:20,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:20,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:23:20,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:23:20,167 INFO L87 Difference]: Start difference. First operand 3710 states and 4866 transitions. Second operand 5 states. [2020-11-29 23:23:21,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:21,354 INFO L93 Difference]: Finished difference Result 5547 states and 7243 transitions. [2020-11-29 23:23:21,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:23:21,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-11-29 23:23:21,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:21,369 INFO L225 Difference]: With dead ends: 5547 [2020-11-29 23:23:21,369 INFO L226 Difference]: Without dead ends: 5546 [2020-11-29 23:23:21,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:23:21,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5546 states. [2020-11-29 23:23:21,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5546 to 5035. [2020-11-29 23:23:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-11-29 23:23:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6622 transitions. [2020-11-29 23:23:21,544 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6622 transitions. Word has length 189 [2020-11-29 23:23:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:21,545 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 6622 transitions. [2020-11-29 23:23:21,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:23:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6622 transitions. [2020-11-29 23:23:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-29 23:23:21,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:21,551 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:21,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:21,772 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:21,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:21,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2020-11-29 23:23:21,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:21,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112480240] [2020-11-29 23:23:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:21,791 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:21,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777605018] [2020-11-29 23:23:21,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:21,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:23:21,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:23,085 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2020-11-29 23:23:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-11-29 23:23:23,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112480240] [2020-11-29 23:23:23,128 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:23,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777605018] [2020-11-29 23:23:23,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:23,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:23,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617904606] [2020-11-29 23:23:23,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:23:23,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:23,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:23:23,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:23,130 INFO L87 Difference]: Start difference. First operand 5035 states and 6622 transitions. Second operand 4 states. [2020-11-29 23:23:26,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:26,609 INFO L93 Difference]: Finished difference Result 9337 states and 12295 transitions. [2020-11-29 23:23:26,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:23:26,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2020-11-29 23:23:26,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:26,619 INFO L225 Difference]: With dead ends: 9337 [2020-11-29 23:23:26,619 INFO L226 Difference]: Without dead ends: 5088 [2020-11-29 23:23:26,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:23:26,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2020-11-29 23:23:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5034. [2020-11-29 23:23:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5034 states. [2020-11-29 23:23:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5034 states to 5034 states and 6605 transitions. [2020-11-29 23:23:26,824 INFO L78 Accepts]: Start accepts. Automaton has 5034 states and 6605 transitions. Word has length 190 [2020-11-29 23:23:26,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:26,824 INFO L481 AbstractCegarLoop]: Abstraction has 5034 states and 6605 transitions. [2020-11-29 23:23:26,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:23:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5034 states and 6605 transitions. [2020-11-29 23:23:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-29 23:23:26,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:26,830 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2020-11-29 23:23:27,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:27,044 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:27,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:27,044 INFO L82 PathProgramCache]: Analyzing trace with hash -772079227, now seen corresponding path program 1 times [2020-11-29 23:23:27,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:27,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970310409] [2020-11-29 23:23:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:27,061 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:23:27,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130301079] [2020-11-29 23:23:27,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:27,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:23:27,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-11-29 23:23:27,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970310409] [2020-11-29 23:23:27,220 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:23:27,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130301079] [2020-11-29 23:23:27,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:27,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:27,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207460000] [2020-11-29 23:23:27,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:27,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:27,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:27,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:27,223 INFO L87 Difference]: Start difference. First operand 5034 states and 6605 transitions. Second operand 3 states. [2020-11-29 23:23:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:27,966 INFO L93 Difference]: Finished difference Result 9928 states and 13023 transitions. [2020-11-29 23:23:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:27,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-29 23:23:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:27,973 INFO L225 Difference]: With dead ends: 9928 [2020-11-29 23:23:27,973 INFO L226 Difference]: Without dead ends: 3470 [2020-11-29 23:23:27,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3470 states. [2020-11-29 23:23:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3470 to 3461. [2020-11-29 23:23:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3461 states. [2020-11-29 23:23:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3461 states and 4508 transitions. [2020-11-29 23:23:28,118 INFO L78 Accepts]: Start accepts. Automaton has 3461 states and 4508 transitions. Word has length 197 [2020-11-29 23:23:28,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:28,122 INFO L481 AbstractCegarLoop]: Abstraction has 3461 states and 4508 transitions. [2020-11-29 23:23:28,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3461 states and 4508 transitions. [2020-11-29 23:23:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-29 23:23:28,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:28,125 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:28,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-11-29 23:23:28,340 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:28,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:28,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1185552693, now seen corresponding path program 1 times [2020-11-29 23:23:28,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:28,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397464609] [2020-11-29 23:23:28,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-11-29 23:23:28,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397464609] [2020-11-29 23:23:28,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:28,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:28,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764522083] [2020-11-29 23:23:28,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:28,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:28,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:28,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:28,413 INFO L87 Difference]: Start difference. First operand 3461 states and 4508 transitions. Second operand 3 states. [2020-11-29 23:23:29,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:29,117 INFO L93 Difference]: Finished difference Result 6573 states and 8540 transitions. [2020-11-29 23:23:29,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:29,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-11-29 23:23:29,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:29,121 INFO L225 Difference]: With dead ends: 6573 [2020-11-29 23:23:29,121 INFO L226 Difference]: Without dead ends: 2988 [2020-11-29 23:23:29,124 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 [2020-11-29 23:23:29,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2020-11-29 23:23:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2946. [2020-11-29 23:23:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2946 states. [2020-11-29 23:23:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 3799 transitions. [2020-11-29 23:23:29,252 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 3799 transitions. Word has length 198 [2020-11-29 23:23:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:29,253 INFO L481 AbstractCegarLoop]: Abstraction has 2946 states and 3799 transitions. [2020-11-29 23:23:29,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3799 transitions. [2020-11-29 23:23:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-29 23:23:29,257 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:29,258 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:29,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-11-29 23:23:29,258 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:29,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:29,258 INFO L82 PathProgramCache]: Analyzing trace with hash 668179624, now seen corresponding path program 1 times [2020-11-29 23:23:29,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:29,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245100132] [2020-11-29 23:23:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-11-29 23:23:29,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245100132] [2020-11-29 23:23:29,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:29,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:29,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769586506] [2020-11-29 23:23:29,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:29,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:29,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:29,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:29,392 INFO L87 Difference]: Start difference. First operand 2946 states and 3799 transitions. Second operand 3 states. [2020-11-29 23:23:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:29,914 INFO L93 Difference]: Finished difference Result 6229 states and 7999 transitions. [2020-11-29 23:23:29,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:29,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-11-29 23:23:29,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:29,921 INFO L225 Difference]: With dead ends: 6229 [2020-11-29 23:23:29,922 INFO L226 Difference]: Without dead ends: 3306 [2020-11-29 23:23:29,924 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 [2020-11-29 23:23:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2020-11-29 23:23:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 3286. [2020-11-29 23:23:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3286 states. [2020-11-29 23:23:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 4189 transitions. [2020-11-29 23:23:30,052 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 4189 transitions. Word has length 336 [2020-11-29 23:23:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:30,053 INFO L481 AbstractCegarLoop]: Abstraction has 3286 states and 4189 transitions. [2020-11-29 23:23:30,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 4189 transitions. [2020-11-29 23:23:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-11-29 23:23:30,056 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:30,057 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:30,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-11-29 23:23:30,057 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1247487280, now seen corresponding path program 1 times [2020-11-29 23:23:30,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:30,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519194211] [2020-11-29 23:23:30,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 823 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-11-29 23:23:30,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519194211] [2020-11-29 23:23:30,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:23:30,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:23:30,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139372614] [2020-11-29 23:23:30,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:23:30,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:30,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:23:30,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:23:30,200 INFO L87 Difference]: Start difference. First operand 3286 states and 4189 transitions. Second operand 3 states. [2020-11-29 23:23:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:30,757 INFO L93 Difference]: Finished difference Result 6929 states and 8819 transitions. [2020-11-29 23:23:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:23:30,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 367 [2020-11-29 23:23:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:30,763 INFO L225 Difference]: With dead ends: 6929 [2020-11-29 23:23:30,763 INFO L226 Difference]: Without dead ends: 3666 [2020-11-29 23:23:30,766 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 [2020-11-29 23:23:30,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3666 states. [2020-11-29 23:23:30,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3666 to 3646. [2020-11-29 23:23:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3646 states. [2020-11-29 23:23:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4599 transitions. [2020-11-29 23:23:30,838 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4599 transitions. Word has length 367 [2020-11-29 23:23:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:30,839 INFO L481 AbstractCegarLoop]: Abstraction has 3646 states and 4599 transitions. [2020-11-29 23:23:30,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:23:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4599 transitions. [2020-11-29 23:23:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-11-29 23:23:30,841 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:23:30,841 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:23:30,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-11-29 23:23:30,842 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 23:23:30,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:23:30,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1284808221, now seen corresponding path program 1 times [2020-11-29 23:23:30,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:23:30,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770790336] [2020-11-29 23:23:30,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:23:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-11-29 23:23:31,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770790336] [2020-11-29 23:23:31,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535642522] [2020-11-29 23:23:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:23:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:23:31,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:23:31,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:23:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-11-29 23:23:31,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:23:31,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 23:23:31,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944431721] [2020-11-29 23:23:31,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:23:31,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:23:31,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:23:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:23:31,428 INFO L87 Difference]: Start difference. First operand 3646 states and 4599 transitions. Second operand 6 states. [2020-11-29 23:23:32,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:23:32,086 INFO L93 Difference]: Finished difference Result 4690 states and 5923 transitions. [2020-11-29 23:23:32,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:23:32,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 400 [2020-11-29 23:23:32,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:23:32,089 INFO L225 Difference]: With dead ends: 4690 [2020-11-29 23:23:32,089 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:23:32,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:23:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:23:32,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:23:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:23:32,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:23:32,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2020-11-29 23:23:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:23:32,094 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:23:32,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:23:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:23:32,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:23:32,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-11-29 23:23:32,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:23:32,435 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2020-11-29 23:23:32,767 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 102 [2020-11-29 23:23:33,069 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 113 [2020-11-29 23:23:34,098 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 389 DAG size of output: 250 [2020-11-29 23:23:34,321 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 128 [2020-11-29 23:23:35,214 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 251 [2020-11-29 23:23:37,014 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-11-29 23:23:38,205 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 112 DAG size of output: 23 [2020-11-29 23:23:39,668 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2020-11-29 23:23:41,126 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2020-11-29 23:23:42,601 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2020-11-29 23:23:43,926 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2020-11-29 23:23:45,277 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-11-29 23:23:47,006 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2020-11-29 23:23:48,202 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2020-11-29 23:23:49,594 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2020-11-29 23:23:55,853 WARN L193 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 208 DAG size of output: 97 [2020-11-29 23:23:57,198 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 90 DAG size of output: 53 [2020-11-29 23:23:59,390 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 112 DAG size of output: 23 [2020-11-29 23:24:02,610 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-11-29 23:24:06,615 WARN L193 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 120 DAG size of output: 48 [2020-11-29 23:24:11,349 WARN L193 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 104 DAG size of output: 61 [2020-11-29 23:24:24,014 WARN L193 SmtUtils]: Spent 12.66 s on a formula simplification. DAG size of input: 209 DAG size of output: 97 [2020-11-29 23:24:29,747 WARN L193 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 116 DAG size of output: 14 [2020-11-29 23:24:37,462 WARN L193 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-11-29 23:24:37,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2020-11-29 23:24:37,466 INFO L270 CegarLoopResult]: At program point L399(lines 390 421) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-11-29 23:24:37,466 INFO L270 CegarLoopResult]: At program point L168(lines 167 605) the Hoare annotation is: (let ((.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse7 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse10 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4 .cse8) (and .cse5 .cse1 .cse2 .cse3 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse9 .cse3 .cse7 .cse10 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse10))) [2020-11-29 23:24:37,466 INFO L270 CegarLoopResult]: At program point L135(lines 128 618) the Hoare annotation is: (let ((.cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse18 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse19 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse15 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse18 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse18 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse16 .cse17))) [2020-11-29 23:24:37,466 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L203(lines 203 593) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L170(lines 170 604) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L137(lines 137 615) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L104(lines 104 626) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L270 CegarLoopResult]: At program point L204(lines 200 594) the Hoare annotation is: (let ((.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse2 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse3))) [2020-11-29 23:24:37,467 INFO L270 CegarLoopResult]: At program point L105(lines 104 626) the Hoare annotation is: false [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L502(lines 502 506) no Hoare annotation was computed. [2020-11-29 23:24:37,467 INFO L274 CegarLoopResult]: For program point L502-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L503-1(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L503-2(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L503-3(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L206(lines 206 592) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L173(lines 173 603) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L140(lines 140 614) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L274 CegarLoopResult]: For program point L107(lines 107 625) no Hoare annotation was computed. [2020-11-29 23:24:37,468 INFO L270 CegarLoopResult]: At program point L207(lines 206 592) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-29 23:24:37,468 INFO L270 CegarLoopResult]: At program point L174(lines 170 604) the Hoare annotation is: (let ((.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2020-11-29 23:24:37,469 INFO L270 CegarLoopResult]: At program point L141(lines 137 615) the Hoare annotation is: (let ((.cse16 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse16 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse16 .cse8 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse17))) [2020-11-29 23:24:37,469 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-11-29 23:24:37,469 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2020-11-29 23:24:37,469 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-11-29 23:24:37,469 INFO L274 CegarLoopResult]: For program point L572(lines 572 582) no Hoare annotation was computed. [2020-11-29 23:24:37,469 INFO L274 CegarLoopResult]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2020-11-29 23:24:37,469 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L308-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L176(lines 176 602) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L143(lines 143 613) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L110(lines 110 624) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L270 CegarLoopResult]: At program point L210(lines 209 591) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-11-29 23:24:37,470 INFO L277 CegarLoopResult]: At program point L673(lines 66 675) the Hoare annotation is: true [2020-11-29 23:24:37,470 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L270 CegarLoopResult]: At program point L409(lines 400 420) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L343-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L277 CegarLoopResult]: At program point L674(lines 11 676) the Hoare annotation is: true [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L179(lines 179 601) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L146(lines 146 612) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L113(lines 113 623) no Hoare annotation was computed. [2020-11-29 23:24:37,471 INFO L274 CegarLoopResult]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L270 CegarLoopResult]: At program point L180(lines 176 602) the Hoare annotation is: (let ((.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse5 .cse0 .cse1 .cse4) (and .cse5 .cse0 .cse1 .cse2))) [2020-11-29 23:24:37,472 INFO L270 CegarLoopResult]: At program point L147(lines 143 613) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse13 .cse14))) [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L270 CegarLoopResult]: At program point L214(lines 107 625) the Hoare annotation is: false [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point L182(lines 182 600) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point L149(lines 149 611) no Hoare annotation was computed. [2020-11-29 23:24:37,472 INFO L274 CegarLoopResult]: For program point L116(lines 116 622) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L185(lines 185 599) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L152(lines 152 610) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L119(lines 119 621) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-11-29 23:24:37,473 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L270 CegarLoopResult]: At program point L186(lines 182 600) the Hoare annotation is: (let ((.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse5 .cse0 .cse1 .cse4) (and .cse5 .cse0 .cse1 .cse2))) [2020-11-29 23:24:37,474 INFO L270 CegarLoopResult]: At program point L153(lines 149 611) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse13 .cse14))) [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L188(lines 188 598) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L155(lines 155 609) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L122(lines 122 620) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L270 CegarLoopResult]: At program point L552(lines 66 675) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L274 CegarLoopResult]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-11-29 23:24:37,474 INFO L270 CegarLoopResult]: At program point L123(lines 119 621) the Hoare annotation is: false [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L277 CegarLoopResult]: At program point L686(lines 677 688) the Hoare annotation is: true [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L191(lines 191 597) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L158(lines 158 608) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L125(lines 125 619) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 503) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-29 23:24:37,475 INFO L274 CegarLoopResult]: For program point L291-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,476 INFO L270 CegarLoopResult]: At program point L192(lines 188 598) the Hoare annotation is: (let ((.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse10 .cse9) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse9) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse10) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-29 23:24:37,476 INFO L270 CegarLoopResult]: At program point L159(lines 155 609) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) [2020-11-29 23:24:37,476 INFO L270 CegarLoopResult]: At program point L126(lines 125 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse13 .cse14 .cse15))) [2020-11-29 23:24:37,478 INFO L270 CegarLoopResult]: At program point L589(lines 101 657) the Hoare annotation is: (let ((.cse21 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse16 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse19 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse28 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse15 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse23 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse22 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse26 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse24 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse27 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse19 .cse7 .cse20 .cse8 .cse9 .cse10 .cse11) (and .cse21 .cse1 .cse2 .cse22 .cse8) (and .cse1 .cse2 .cse22 .cse23 .cse8 .cse12) (and .cse13 .cse19 .cse14 .cse24 .cse25 .cse17 .cse18 .cse8) (and .cse26 .cse1 .cse2 .cse22 .cse27 .cse28) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse28 .cse19 .cse7 .cse20 .cse9 .cse10 .cse11) (and .cse26 .cse24 .cse6 .cse27 .cse28) (and .cse21 .cse1 .cse2 .cse15 .cse22 .cse16) (and .cse1 .cse2 .cse15 .cse22 .cse23 .cse16 .cse12) (and .cse13 .cse14 .cse19 .cse24 .cse17 .cse25 .cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse28) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse28 .cse7 .cse20 .cse9 .cse10 .cse11 .cse12) (and .cse15 .cse23 (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse12) (and .cse26 .cse1 .cse2 .cse22 .cse8 .cse27) (and .cse1 .cse2 .cse22 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse7) (and .cse26 .cse24 .cse6 .cse8 .cse27))) [2020-11-29 23:24:37,479 INFO L274 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-11-29 23:24:37,479 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 23:24:37,479 INFO L274 CegarLoopResult]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-11-29 23:24:37,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2020-11-29 23:24:37,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:24:37,479 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point L194(lines 194 596) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point L161(lines 161 607) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point L128(lines 128 618) no Hoare annotation was computed. [2020-11-29 23:24:37,480 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L277 CegarLoopResult]: At program point L658(lines 100 659) the Hoare annotation is: true [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L197(lines 197 595) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L164(lines 164 606) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L131(lines 131 617) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L627(lines 627 655) no Hoare annotation was computed. [2020-11-29 23:24:37,481 INFO L274 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-11-29 23:24:37,482 INFO L274 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-11-29 23:24:37,482 INFO L274 CegarLoopResult]: For program point L264-1(line 264) no Hoare annotation was computed. [2020-11-29 23:24:37,482 INFO L270 CegarLoopResult]: At program point L198(lines 194 596) the Hoare annotation is: (let ((.cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse3 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse1 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse6 .cse9))) [2020-11-29 23:24:37,482 INFO L270 CegarLoopResult]: At program point L165(lines 161 607) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13 .cse14))) [2020-11-29 23:24:37,482 INFO L274 CegarLoopResult]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L628(lines 628 652) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-11-29 23:24:37,483 INFO L274 CegarLoopResult]: For program point L629(lines 629 638) no Hoare annotation was computed. [2020-11-29 23:24:37,484 INFO L274 CegarLoopResult]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2020-11-29 23:24:37,484 INFO L274 CegarLoopResult]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2020-11-29 23:24:37,484 INFO L274 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-11-29 23:24:37,484 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-11-29 23:24:37,484 INFO L270 CegarLoopResult]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse13 .cse14))) [2020-11-29 23:24:37,485 INFO L274 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-11-29 23:24:37,485 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-29 23:24:37,485 INFO L274 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-11-29 23:24:37,485 INFO L274 CegarLoopResult]: For program point L200(lines 200 594) no Hoare annotation was computed. [2020-11-29 23:24:37,485 INFO L274 CegarLoopResult]: For program point L167(lines 167 605) no Hoare annotation was computed. [2020-11-29 23:24:37,485 INFO L274 CegarLoopResult]: For program point L134(lines 134 616) no Hoare annotation was computed. [2020-11-29 23:24:37,486 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 657) the Hoare annotation is: (let ((.cse21 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse16 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse19 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse28 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse15 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse23 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse22 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse26 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse24 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse27 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse19 .cse7 .cse20 .cse8 .cse9 .cse10 .cse11) (and .cse21 .cse1 .cse2 .cse22 .cse8) (and .cse1 .cse2 .cse22 .cse23 .cse8 .cse12) (and .cse13 .cse19 .cse14 .cse24 .cse25 .cse17 .cse18 .cse8) (and .cse26 .cse1 .cse2 .cse22 .cse27 .cse28) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse28 .cse19 .cse7 .cse20 .cse9 .cse10 .cse11) (and .cse26 .cse24 .cse6 .cse27 .cse28) (and .cse21 .cse1 .cse2 .cse15 .cse22 .cse16) (and .cse1 .cse2 .cse15 .cse22 .cse23 .cse16 .cse12) (and .cse13 .cse14 .cse19 .cse24 .cse17 .cse25 .cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse28) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse28 .cse7 .cse20 .cse9 .cse10 .cse11 .cse12) (and .cse15 .cse23 (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse12) (and .cse26 .cse1 .cse2 .cse22 .cse8 .cse27) (and .cse1 .cse2 .cse22 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse7) (and .cse26 .cse24 .cse6 .cse8 .cse27))) [2020-11-29 23:24:37,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:24:37 BoogieIcfgContainer [2020-11-29 23:24:37,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:24:37,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:24:37,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:24:37,541 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:24:37,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:22:59" (3/4) ... [2020-11-29 23:24:37,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:24:37,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:24:37,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:24:37,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:24:37,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:24:37,726 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9631dda5-c204-451e-a91f-99c036e58dd0/bin/uautomizer/witness.graphml [2020-11-29 23:24:37,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:24:37,727 INFO L168 Benchmark]: Toolchain (without parser) took 99813.96 ms. Allocated memory was 125.8 MB in the beginning and 671.1 MB in the end (delta: 545.3 MB). Free memory was 100.2 MB in the beginning and 632.6 MB in the end (delta: -532.4 MB). Peak memory consumption was 403.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,728 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:24:37,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.15 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 98.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.33 ms. Allocated memory is still 125.8 MB. Free memory was 98.4 MB in the beginning and 95.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,729 INFO L168 Benchmark]: Boogie Preprocessor took 38.57 ms. Allocated memory is still 125.8 MB. Free memory was 95.5 MB in the beginning and 93.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,730 INFO L168 Benchmark]: RCFGBuilder took 1037.66 ms. Allocated memory is still 125.8 MB. Free memory was 93.1 MB in the beginning and 79.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,730 INFO L168 Benchmark]: TraceAbstraction took 98052.82 ms. Allocated memory was 125.8 MB in the beginning and 671.1 MB in the end (delta: 545.3 MB). Free memory was 79.6 MB in the beginning and 255.2 MB in the end (delta: -175.5 MB). Peak memory consumption was 387.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,731 INFO L168 Benchmark]: Witness Printer took 185.80 ms. Allocated memory is still 671.1 MB. Free memory was 255.2 MB in the beginning and 632.6 MB in the end (delta: -377.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:24:37,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.15 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 98.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.33 ms. Allocated memory is still 125.8 MB. Free memory was 98.4 MB in the beginning and 95.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.57 ms. Allocated memory is still 125.8 MB. Free memory was 95.5 MB in the beginning and 93.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1037.66 ms. Allocated memory is still 125.8 MB. Free memory was 93.1 MB in the beginning and 79.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 98052.82 ms. Allocated memory was 125.8 MB in the beginning and 671.1 MB in the end (delta: 545.3 MB). Free memory was 79.6 MB in the beginning and 255.2 MB in the end (delta: -175.5 MB). Peak memory consumption was 387.8 MB. Max. memory is 16.1 GB. * Witness Printer took 185.80 ms. Allocated memory is still 671.1 MB. Free memory was 255.2 MB in the beginning and 632.6 MB in the end (delta: -377.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 503]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 503]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 503]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((blastFlag <= 2 && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((8576 <= s__state && s__state <= 8640) && 2 == blastFlag) && !(s__hit == 0)) || (((8576 <= s__state && s__state <= 8640) && blastFlag <= 1) && !(s__hit == 0))) || (((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) && blastFlag <= 1)) || (((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) && 2 == blastFlag) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) || (((((s__s3__tmp__next_state___0 <= 8576 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0)) || (((((!(8192 == s__state) && !(s__state == 8195)) && s__state <= 8448) && 8640 == s__s3__tmp__next_state___0) && blastFlag <= 1) && !(s__hit == 0))) || (((((s__s3__tmp__next_state___0 <= 8576 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && 8576 <= s__s3__tmp__next_state___0) && 2 == blastFlag)) || ((((((!(8192 == s__state) && !(s__state == 8195)) && blastFlag <= 3) && s__state <= 8448) && 8640 == s__s3__tmp__next_state___0) && 3 <= blastFlag) && !(s__hit == 0))) || (((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && blastFlag <= 3) && s__state <= 8448) && 3 <= blastFlag) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && s__s3__tmp__next_state___0 <= 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((!(24576 == s__state) && 8672 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && blastFlag <= 1) || (((((!(24576 == s__state) && blastFlag <= 3) && 8672 <= s__state) && !(12292 == s__state)) && 3 <= blastFlag) && !(s__state == 16384)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((!(24576 == s__state) && !(s__state == 8673)) && blastFlag <= 3) && 8672 <= s__state) && 3 <= blastFlag) && !(12292 == s__state)) && !(s__state == 16384))) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8576 == s__state)) && !(8448 == s__state)) && s__state <= 8640) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1)) || (((((!(8192 == s__state) && !(s__state == 8195)) && s__state <= 8448) && 8640 == s__s3__tmp__next_state___0) && blastFlag <= 1) && !(s__hit == 0))) || (((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && blastFlag <= 1)) || (((((s__s3__tmp__next_state___0 <= 8576 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && 8576 <= s__s3__tmp__next_state___0) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && 2 == blastFlag) && !(8576 == s__state)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && 2 == blastFlag)) || (((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && blastFlag <= 3) && s__state <= 8448) && 3 <= blastFlag)) || ((((((!(8192 == s__state) && !(s__state == 8195)) && blastFlag <= 3) && s__state <= 8448) && 8640 == s__s3__tmp__next_state___0) && 3 <= blastFlag) && !(s__hit == 0))) || ((((((((!(24576 == s__state) && !(s__state == 8673)) && !(8576 == s__state)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && !(s__state == 8672)) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && 2 == blastFlag) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((blastFlag <= 3 && 8640 == s__s3__tmp__next_state___0) && s__state == 8640) && !(s__hit == 0))) || (((((s__s3__tmp__next_state___0 <= 8576 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0)) || ((((!(8192 == s__state) && !(s__state == 8195)) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8640) && !(8448 == s__state))) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((!(24576 == s__state) && !(s__state == 8673)) && !(8576 == s__state)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && 2 == blastFlag) || (((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && blastFlag <= 1) && !(s__state == 8672))) || (((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0))) || ((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8640) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__hit == 0))) || (((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 16384)) && blastFlag <= 1) && !(s__state == 8672)) && !(s__hit == 0)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(s__state == 8481)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((8576 <= s__state && s__state <= 8640) && 2 == blastFlag) && !(s__hit == 0)) || (((8576 <= s__state && s__state <= 8640) && blastFlag <= 1) && !(s__hit == 0))) || (((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) && blastFlag <= 1)) || (((!(8576 == s__state) && 8576 <= s__state) && s__state <= 8640) && 2 == blastFlag) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((blastFlag <= 2 && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && blastFlag <= 1) && !(s__state == 8656)) && !(s__state == 8672)) && !(s__hit == 0)) || (((((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && !(s__state == 8656)) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0))) || (((blastFlag <= 3 && 8640 == s__s3__tmp__next_state___0) && s__state == 8640) && !(s__hit == 0))) || (((((((((!(24576 == s__state) && !(s__state == 8673)) && !(8576 == s__state)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && !(s__state == 8656)) && !(s__state == 8672)) && 2 == blastFlag)) || (((((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && blastFlag <= 1) && !(s__state == 8656)) && !(s__state == 8672)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((!(24576 == s__state) && !(s__state == 8673)) && blastFlag <= 3) && 8672 <= s__state) && 3 <= blastFlag) && !(12292 == s__state)) && !(s__state == 16384))) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8576 == s__state)) && !(8448 == s__state)) && s__state <= 8640) && blastFlag <= 1) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1)) || (((((!(8192 == s__state) && !(s__state == 8195)) && s__state <= 8448) && 8640 == s__s3__tmp__next_state___0) && blastFlag <= 1) && !(s__hit == 0))) || (((((((!(24576 == s__state) && !(8576 == s__state)) && !(s__state == 8673)) && 8576 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 16384)) && blastFlag <= 1)) || (((((s__s3__tmp__next_state___0 <= 8576 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && 8576 <= s__s3__tmp__next_state___0) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && 2 == blastFlag) && !(8576 == s__state)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && 2 == blastFlag)) || (((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && blastFlag <= 3) && s__state <= 8448) && 3 <= blastFlag)) || ((((((!(8192 == s__state) && !(s__state == 8195)) && blastFlag <= 3) && s__state <= 8448) && 8640 == s__s3__tmp__next_state___0) && 3 <= blastFlag) && !(s__hit == 0))) || ((((((((!(24576 == s__state) && !(s__state == 8673)) && !(8576 == s__state)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && !(s__state == 8672)) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && 2 == blastFlag) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((blastFlag <= 3 && 8640 == s__s3__tmp__next_state___0) && s__state == 8640) && !(s__hit == 0))) || (((((s__s3__tmp__next_state___0 <= 8576 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0)) || ((((!(8192 == s__state) && !(s__state == 8195)) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8640) && !(8448 == s__state))) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((8576 <= s__state && s__state <= 8640) && 2 == blastFlag) || ((8576 <= s__state && s__state <= 8640) && blastFlag <= 1) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((blastFlag <= 2 && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 154 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.7s, OverallIterations: 40, TraceHistogramMax: 14, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 65.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7301 SDtfs, 5988 SDslu, 3866 SDs, 0 SdLazy, 4323 SolverSat, 1141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2025 GetRequests, 1971 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5035occurred in iteration=34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 40 MinimizatonAttempts, 4611 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 256 NumberOfFragments, 3072 HoareAnnotationTreeSize, 29 FomulaSimplifications, 189382 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 29 FomulaSimplificationsInter, 55185 FormulaSimplificationTreeSizeReductionInter, 62.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 5877 NumberOfCodeBlocks, 5877 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 5833 ConstructedInterpolants, 0 QuantifiedInterpolants, 1723551 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3898 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 44 InterpolantComputations, 36 PerfectInterpolantSequences, 11045/11093 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...