./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.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_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 3c1b0557200bb93e177956c2673df3bb0520e234 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:36:49,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:36:49,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:36:49,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:36:49,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:36:49,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:36:49,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:36:50,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:36:50,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:36:50,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:36:50,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:36:50,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:36:50,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:36:50,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:36:50,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:36:50,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:36:50,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:36:50,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:36:50,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:36:50,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:36:50,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:36:50,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:36:50,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:36:50,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:36:50,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:36:50,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:36:50,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:36:50,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:36:50,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:36:50,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:36:50,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:36:50,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:36:50,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:36:50,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:36:50,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:36:50,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:36:50,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:36:50,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:36:50,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:36:50,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:36:50,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:36:50,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-30 00:36:50,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:36:50,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:36:50,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:36:50,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:36:50,106 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:36:50,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:36:50,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:36:50,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:36:50,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:36:50,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:36:50,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:36:50,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:36:50,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:36:50,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:36:50,110 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:36:50,110 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:36:50,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:36:50,110 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:36:50,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:36:50,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:36:50,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:36:50,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:36:50,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:36:50,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:36:50,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:36:50,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:36:50,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:36:50,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:36:50,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:36:50,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:36:50,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:36:50,114 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_043a3c9a-467f-4faa-ab6a-e3609f34853b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c1b0557200bb93e177956c2673df3bb0520e234 [2020-11-30 00:36:50,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:36:50,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:36:50,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:36:50,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:36:50,409 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:36:50,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-11-30 00:36:50,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/data/9ce6a4770/217a50398b6d476b81d77d109e1a9f50/FLAGdf5358c49 [2020-11-30 00:36:51,065 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:36:51,066 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-11-30 00:36:51,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/data/9ce6a4770/217a50398b6d476b81d77d109e1a9f50/FLAGdf5358c49 [2020-11-30 00:36:51,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/data/9ce6a4770/217a50398b6d476b81d77d109e1a9f50 [2020-11-30 00:36:51,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:36:51,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:36:51,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:36:51,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:36:51,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:36:51,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4dd553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51, skipping insertion in model container [2020-11-30 00:36:51,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:36:51,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:36:51,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:36:51,790 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:36:51,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:36:51,864 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:36:51,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51 WrapperNode [2020-11-30 00:36:51,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:36:51,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:36:51,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:36:51,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:36:51,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:36:51,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:36:51,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:36:51,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:36:51,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:51,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:52,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:52,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:52,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... [2020-11-30 00:36:52,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:36:52,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:36:52,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:36:52,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:36:52,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:36:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:36:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:36:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:36:52,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:36:52,222 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:36:53,108 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-30 00:36:53,109 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-30 00:36:53,127 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:36:53,129 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:36:53,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:53 BoogieIcfgContainer [2020-11-30 00:36:53,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:36:53,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:36:53,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:36:53,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:36:53,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:36:51" (1/3) ... [2020-11-30 00:36:53,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527a0a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:36:53, skipping insertion in model container [2020-11-30 00:36:53,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:51" (2/3) ... [2020-11-30 00:36:53,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527a0a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:36:53, skipping insertion in model container [2020-11-30 00:36:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:53" (3/3) ... [2020-11-30 00:36:53,146 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2020-11-30 00:36:53,160 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:36:53,171 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-30 00:36:53,182 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-30 00:36:53,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:36:53,207 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:36:53,208 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:36:53,208 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:36:53,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:36:53,208 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:36:53,208 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:36:53,208 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:36:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-11-30 00:36:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:36:53,234 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:53,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:36:53,235 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]=== [2020-11-30 00:36:53,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:53,241 INFO L82 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2020-11-30 00:36:53,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:53,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911712172] [2020-11-30 00:36:53,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:53,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911712172] [2020-11-30 00:36:53,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:53,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:53,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505940586] [2020-11-30 00:36:53,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:53,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:53,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:53,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:53,480 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-11-30 00:36:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:53,870 INFO L93 Difference]: Finished difference Result 325 states and 534 transitions. [2020-11-30 00:36:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:53,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 00:36:53,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:53,882 INFO L225 Difference]: With dead ends: 325 [2020-11-30 00:36:53,882 INFO L226 Difference]: Without dead ends: 156 [2020-11-30 00:36:53,886 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 [2020-11-30 00:36:53,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-30 00:36:53,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-11-30 00:36:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-30 00:36:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2020-11-30 00:36:53,937 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 17 [2020-11-30 00:36:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:53,938 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2020-11-30 00:36:53,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2020-11-30 00:36:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:36:53,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:53,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:36:53,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:36:53,940 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]=== [2020-11-30 00:36:53,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:53,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1356112173, now seen corresponding path program 1 times [2020-11-30 00:36:53,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:53,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186324261] [2020-11-30 00:36:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:53,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186324261] [2020-11-30 00:36:53,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:53,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:53,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105560338] [2020-11-30 00:36:54,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:54,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:54,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:54,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:54,001 INFO L87 Difference]: Start difference. First operand 156 states and 231 transitions. Second operand 3 states. [2020-11-30 00:36:54,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:54,293 INFO L93 Difference]: Finished difference Result 314 states and 463 transitions. [2020-11-30 00:36:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:54,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-30 00:36:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:54,297 INFO L225 Difference]: With dead ends: 314 [2020-11-30 00:36:54,297 INFO L226 Difference]: Without dead ends: 166 [2020-11-30 00:36:54,299 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 [2020-11-30 00:36:54,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-11-30 00:36:54,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 157. [2020-11-30 00:36:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-11-30 00:36:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 232 transitions. [2020-11-30 00:36:54,333 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 232 transitions. Word has length 18 [2020-11-30 00:36:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:54,334 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 232 transitions. [2020-11-30 00:36:54,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2020-11-30 00:36:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:36:54,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:54,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:36:54,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:36:54,338 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]=== [2020-11-30 00:36:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash 15331092, now seen corresponding path program 1 times [2020-11-30 00:36:54,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:54,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193033576] [2020-11-30 00:36:54,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:54,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193033576] [2020-11-30 00:36:54,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:54,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:54,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819998492] [2020-11-30 00:36:54,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:54,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:54,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:54,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:54,455 INFO L87 Difference]: Start difference. First operand 157 states and 232 transitions. Second operand 3 states. [2020-11-30 00:36:54,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:54,754 INFO L93 Difference]: Finished difference Result 316 states and 465 transitions. [2020-11-30 00:36:54,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:54,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:36:54,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:54,757 INFO L225 Difference]: With dead ends: 316 [2020-11-30 00:36:54,757 INFO L226 Difference]: Without dead ends: 167 [2020-11-30 00:36:54,758 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 [2020-11-30 00:36:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-30 00:36:54,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 158. [2020-11-30 00:36:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-30 00:36:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 233 transitions. [2020-11-30 00:36:54,781 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 233 transitions. Word has length 19 [2020-11-30 00:36:54,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:54,782 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 233 transitions. [2020-11-30 00:36:54,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 233 transitions. [2020-11-30 00:36:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:36:54,787 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:54,787 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] [2020-11-30 00:36:54,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:36:54,788 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]=== [2020-11-30 00:36:54,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:54,789 INFO L82 PathProgramCache]: Analyzing trace with hash 953452818, now seen corresponding path program 1 times [2020-11-30 00:36:54,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:54,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134861057] [2020-11-30 00:36:54,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:54,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134861057] [2020-11-30 00:36:54,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:54,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:54,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271385604] [2020-11-30 00:36:54,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:54,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:54,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:54,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:54,857 INFO L87 Difference]: Start difference. First operand 158 states and 233 transitions. Second operand 3 states. [2020-11-30 00:36:55,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:55,091 INFO L93 Difference]: Finished difference Result 318 states and 467 transitions. [2020-11-30 00:36:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:55,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-30 00:36:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:55,094 INFO L225 Difference]: With dead ends: 318 [2020-11-30 00:36:55,094 INFO L226 Difference]: Without dead ends: 168 [2020-11-30 00:36:55,096 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 [2020-11-30 00:36:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-11-30 00:36:55,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 159. [2020-11-30 00:36:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-11-30 00:36:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 234 transitions. [2020-11-30 00:36:55,127 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 234 transitions. Word has length 20 [2020-11-30 00:36:55,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:55,128 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 234 transitions. [2020-11-30 00:36:55,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2020-11-30 00:36:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:36:55,129 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:55,129 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] [2020-11-30 00:36:55,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:36:55,129 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]=== [2020-11-30 00:36:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:55,130 INFO L82 PathProgramCache]: Analyzing trace with hash -476882471, now seen corresponding path program 1 times [2020-11-30 00:36:55,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:55,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587496928] [2020-11-30 00:36:55,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:55,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587496928] [2020-11-30 00:36:55,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:55,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:55,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528708438] [2020-11-30 00:36:55,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:55,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:55,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:55,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:55,189 INFO L87 Difference]: Start difference. First operand 159 states and 234 transitions. Second operand 3 states. [2020-11-30 00:36:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:55,439 INFO L93 Difference]: Finished difference Result 320 states and 469 transitions. [2020-11-30 00:36:55,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:55,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-30 00:36:55,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:55,443 INFO L225 Difference]: With dead ends: 320 [2020-11-30 00:36:55,443 INFO L226 Difference]: Without dead ends: 169 [2020-11-30 00:36:55,444 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 [2020-11-30 00:36:55,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-11-30 00:36:55,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 160. [2020-11-30 00:36:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-30 00:36:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 235 transitions. [2020-11-30 00:36:55,452 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 235 transitions. Word has length 21 [2020-11-30 00:36:55,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:55,452 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 235 transitions. [2020-11-30 00:36:55,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2020-11-30 00:36:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 00:36:55,454 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:55,454 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] [2020-11-30 00:36:55,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:36:55,455 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]=== [2020-11-30 00:36:55,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:55,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1380240252, now seen corresponding path program 1 times [2020-11-30 00:36:55,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:55,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330189027] [2020-11-30 00:36:55,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:55,476 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:36:55,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204110101] [2020-11-30 00:36:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:36:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:55,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:36:55,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:36:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:55,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330189027] [2020-11-30 00:36:55,670 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:36:55,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204110101] [2020-11-30 00:36:55,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:55,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:55,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413486952] [2020-11-30 00:36:55,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:55,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:55,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:55,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:55,673 INFO L87 Difference]: Start difference. First operand 160 states and 235 transitions. Second operand 3 states. [2020-11-30 00:36:55,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:55,886 INFO L93 Difference]: Finished difference Result 456 states and 673 transitions. [2020-11-30 00:36:55,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:55,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-11-30 00:36:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:55,890 INFO L225 Difference]: With dead ends: 456 [2020-11-30 00:36:55,890 INFO L226 Difference]: Without dead ends: 304 [2020-11-30 00:36:55,891 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 [2020-11-30 00:36:55,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-30 00:36:55,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2020-11-30 00:36:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-11-30 00:36:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 447 transitions. [2020-11-30 00:36:55,928 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 447 transitions. Word has length 40 [2020-11-30 00:36:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:55,936 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 447 transitions. [2020-11-30 00:36:55,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 447 transitions. [2020-11-30 00:36:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:36:55,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:55,942 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] [2020-11-30 00:36:56,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-30 00:36:56,169 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]=== [2020-11-30 00:36:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:56,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1758785265, now seen corresponding path program 1 times [2020-11-30 00:36:56,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:56,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979742712] [2020-11-30 00:36:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:56,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979742712] [2020-11-30 00:36:56,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:56,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:56,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711048936] [2020-11-30 00:36:56,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:56,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:56,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:56,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:56,264 INFO L87 Difference]: Start difference. First operand 300 states and 447 transitions. Second operand 3 states. [2020-11-30 00:36:56,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:56,560 INFO L93 Difference]: Finished difference Result 654 states and 988 transitions. [2020-11-30 00:36:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:56,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-30 00:36:56,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:56,563 INFO L225 Difference]: With dead ends: 654 [2020-11-30 00:36:56,563 INFO L226 Difference]: Without dead ends: 362 [2020-11-30 00:36:56,564 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 [2020-11-30 00:36:56,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-11-30 00:36:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2020-11-30 00:36:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-11-30 00:36:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 551 transitions. [2020-11-30 00:36:56,582 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 551 transitions. Word has length 45 [2020-11-30 00:36:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:56,582 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 551 transitions. [2020-11-30 00:36:56,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 551 transitions. [2020-11-30 00:36:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:36:56,586 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:56,586 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] [2020-11-30 00:36:56,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:36:56,586 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]=== [2020-11-30 00:36:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:56,587 INFO L82 PathProgramCache]: Analyzing trace with hash -23561181, now seen corresponding path program 1 times [2020-11-30 00:36:56,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:56,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878591777] [2020-11-30 00:36:56,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:56,611 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:36:56,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371889734] [2020-11-30 00:36:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:36:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:56,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:36:56,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:36:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:56,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878591777] [2020-11-30 00:36:56,741 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:36:56,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371889734] [2020-11-30 00:36:56,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:56,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:56,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966116531] [2020-11-30 00:36:56,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:56,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:56,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:56,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:56,744 INFO L87 Difference]: Start difference. First operand 362 states and 551 transitions. Second operand 3 states. [2020-11-30 00:36:56,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:56,818 INFO L93 Difference]: Finished difference Result 720 states and 1093 transitions. [2020-11-30 00:36:56,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:56,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-11-30 00:36:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:56,824 INFO L225 Difference]: With dead ends: 720 [2020-11-30 00:36:56,824 INFO L226 Difference]: Without dead ends: 537 [2020-11-30 00:36:56,825 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 [2020-11-30 00:36:56,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-11-30 00:36:56,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 533. [2020-11-30 00:36:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-11-30 00:36:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 816 transitions. [2020-11-30 00:36:56,854 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 816 transitions. Word has length 56 [2020-11-30 00:36:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:56,856 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 816 transitions. [2020-11-30 00:36:56,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 816 transitions. [2020-11-30 00:36:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:36:56,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:56,862 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] [2020-11-30 00:36:57,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:36:57,089 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]=== [2020-11-30 00:36:57,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:57,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1156189689, now seen corresponding path program 1 times [2020-11-30 00:36:57,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:57,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499757860] [2020-11-30 00:36:57,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:36:57,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499757860] [2020-11-30 00:36:57,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:57,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:57,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268934630] [2020-11-30 00:36:57,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:57,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:57,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:57,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:57,149 INFO L87 Difference]: Start difference. First operand 533 states and 816 transitions. Second operand 3 states. [2020-11-30 00:36:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:57,458 INFO L93 Difference]: Finished difference Result 1112 states and 1695 transitions. [2020-11-30 00:36:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:57,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-11-30 00:36:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:57,462 INFO L225 Difference]: With dead ends: 1112 [2020-11-30 00:36:57,463 INFO L226 Difference]: Without dead ends: 587 [2020-11-30 00:36:57,464 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 [2020-11-30 00:36:57,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-11-30 00:36:57,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2020-11-30 00:36:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-30 00:36:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 879 transitions. [2020-11-30 00:36:57,490 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 879 transitions. Word has length 57 [2020-11-30 00:36:57,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:57,490 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 879 transitions. [2020-11-30 00:36:57,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 879 transitions. [2020-11-30 00:36:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:36:57,492 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:57,492 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] [2020-11-30 00:36:57,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:36:57,492 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]=== [2020-11-30 00:36:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:57,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1289299726, now seen corresponding path program 1 times [2020-11-30 00:36:57,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:57,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906841856] [2020-11-30 00:36:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:36:57,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906841856] [2020-11-30 00:36:57,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:57,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:57,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605806103] [2020-11-30 00:36:57,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:57,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:57,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:57,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:57,568 INFO L87 Difference]: Start difference. First operand 581 states and 879 transitions. Second operand 3 states. [2020-11-30 00:36:57,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:57,842 INFO L93 Difference]: Finished difference Result 1163 states and 1758 transitions. [2020-11-30 00:36:57,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:57,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-30 00:36:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:57,846 INFO L225 Difference]: With dead ends: 1163 [2020-11-30 00:36:57,847 INFO L226 Difference]: Without dead ends: 590 [2020-11-30 00:36:57,848 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 [2020-11-30 00:36:57,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-11-30 00:36:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 584. [2020-11-30 00:36:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-11-30 00:36:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 879 transitions. [2020-11-30 00:36:57,876 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 879 transitions. Word has length 58 [2020-11-30 00:36:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:57,877 INFO L481 AbstractCegarLoop]: Abstraction has 584 states and 879 transitions. [2020-11-30 00:36:57,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 879 transitions. [2020-11-30 00:36:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-30 00:36:57,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:57,879 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] [2020-11-30 00:36:57,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:36:57,879 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]=== [2020-11-30 00:36:57,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:57,881 INFO L82 PathProgramCache]: Analyzing trace with hash 3546486, now seen corresponding path program 1 times [2020-11-30 00:36:57,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:57,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090084754] [2020-11-30 00:36:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:36:57,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090084754] [2020-11-30 00:36:57,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:57,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:57,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656183074] [2020-11-30 00:36:57,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:57,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:57,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:57,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:57,967 INFO L87 Difference]: Start difference. First operand 584 states and 879 transitions. Second operand 3 states. [2020-11-30 00:36:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:58,289 INFO L93 Difference]: Finished difference Result 1292 states and 1971 transitions. [2020-11-30 00:36:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:58,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-11-30 00:36:58,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:58,295 INFO L225 Difference]: With dead ends: 1292 [2020-11-30 00:36:58,295 INFO L226 Difference]: Without dead ends: 716 [2020-11-30 00:36:58,297 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 [2020-11-30 00:36:58,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-30 00:36:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 710. [2020-11-30 00:36:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2020-11-30 00:36:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1092 transitions. [2020-11-30 00:36:58,328 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1092 transitions. Word has length 71 [2020-11-30 00:36:58,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:58,329 INFO L481 AbstractCegarLoop]: Abstraction has 710 states and 1092 transitions. [2020-11-30 00:36:58,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1092 transitions. [2020-11-30 00:36:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-30 00:36:58,330 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:58,331 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] [2020-11-30 00:36:58,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:36:58,331 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]=== [2020-11-30 00:36:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:58,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1399805589, now seen corresponding path program 1 times [2020-11-30 00:36:58,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:58,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343308845] [2020-11-30 00:36:58,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:36:58,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343308845] [2020-11-30 00:36:58,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:58,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:58,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122315392] [2020-11-30 00:36:58,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:58,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:58,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:58,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:58,401 INFO L87 Difference]: Start difference. First operand 710 states and 1092 transitions. Second operand 3 states. [2020-11-30 00:36:58,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:58,690 INFO L93 Difference]: Finished difference Result 1514 states and 2337 transitions. [2020-11-30 00:36:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:58,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-30 00:36:58,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:58,697 INFO L225 Difference]: With dead ends: 1514 [2020-11-30 00:36:58,697 INFO L226 Difference]: Without dead ends: 812 [2020-11-30 00:36:58,699 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 [2020-11-30 00:36:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-11-30 00:36:58,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 791. [2020-11-30 00:36:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2020-11-30 00:36:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1212 transitions. [2020-11-30 00:36:58,733 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1212 transitions. Word has length 72 [2020-11-30 00:36:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:58,734 INFO L481 AbstractCegarLoop]: Abstraction has 791 states and 1212 transitions. [2020-11-30 00:36:58,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1212 transitions. [2020-11-30 00:36:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-30 00:36:58,738 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:58,740 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] [2020-11-30 00:36:58,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:36:58,741 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]=== [2020-11-30 00:36:58,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:58,741 INFO L82 PathProgramCache]: Analyzing trace with hash -10581937, now seen corresponding path program 1 times [2020-11-30 00:36:58,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:58,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117699528] [2020-11-30 00:36:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:36:58,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117699528] [2020-11-30 00:36:58,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:58,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:58,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192079750] [2020-11-30 00:36:58,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:58,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:58,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:58,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:58,790 INFO L87 Difference]: Start difference. First operand 791 states and 1212 transitions. Second operand 3 states. [2020-11-30 00:36:59,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:59,184 INFO L93 Difference]: Finished difference Result 1583 states and 2424 transitions. [2020-11-30 00:36:59,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:59,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-30 00:36:59,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:59,191 INFO L225 Difference]: With dead ends: 1583 [2020-11-30 00:36:59,191 INFO L226 Difference]: Without dead ends: 800 [2020-11-30 00:36:59,192 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 [2020-11-30 00:36:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-30 00:36:59,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 794. [2020-11-30 00:36:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-11-30 00:36:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1212 transitions. [2020-11-30 00:36:59,244 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1212 transitions. Word has length 72 [2020-11-30 00:36:59,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:59,244 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1212 transitions. [2020-11-30 00:36:59,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1212 transitions. [2020-11-30 00:36:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-30 00:36:59,252 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:59,253 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] [2020-11-30 00:36:59,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:36:59,253 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]=== [2020-11-30 00:36:59,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:59,254 INFO L82 PathProgramCache]: Analyzing trace with hash -302249710, now seen corresponding path program 1 times [2020-11-30 00:36:59,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:59,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570914969] [2020-11-30 00:36:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:36:59,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570914969] [2020-11-30 00:36:59,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:59,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:59,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474009981] [2020-11-30 00:36:59,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:59,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:59,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:59,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:59,299 INFO L87 Difference]: Start difference. First operand 794 states and 1212 transitions. Second operand 3 states. [2020-11-30 00:36:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:36:59,678 INFO L93 Difference]: Finished difference Result 1601 states and 2448 transitions. [2020-11-30 00:36:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:36:59,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-11-30 00:36:59,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:36:59,685 INFO L225 Difference]: With dead ends: 1601 [2020-11-30 00:36:59,685 INFO L226 Difference]: Without dead ends: 815 [2020-11-30 00:36:59,688 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 [2020-11-30 00:36:59,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-11-30 00:36:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 794. [2020-11-30 00:36:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-11-30 00:36:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1203 transitions. [2020-11-30 00:36:59,727 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1203 transitions. Word has length 73 [2020-11-30 00:36:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:36:59,728 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1203 transitions. [2020-11-30 00:36:59,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:36:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1203 transitions. [2020-11-30 00:36:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 00:36:59,730 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:36:59,730 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] [2020-11-30 00:36:59,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:36:59,731 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]=== [2020-11-30 00:36:59,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:59,731 INFO L82 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2020-11-30 00:36:59,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:36:59,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242141584] [2020-11-30 00:36:59,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:36:59,750 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:36:59,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476057112] [2020-11-30 00:36:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:36:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:59,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:36:59,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:36:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:36:59,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242141584] [2020-11-30 00:36:59,907 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:36:59,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476057112] [2020-11-30 00:36:59,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:36:59,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:36:59,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676967508] [2020-11-30 00:36:59,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:36:59,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:36:59,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:36:59,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:36:59,910 INFO L87 Difference]: Start difference. First operand 794 states and 1203 transitions. Second operand 3 states. [2020-11-30 00:37:00,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:00,006 INFO L93 Difference]: Finished difference Result 1584 states and 2397 transitions. [2020-11-30 00:37:00,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:00,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-11-30 00:37:00,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:00,013 INFO L225 Difference]: With dead ends: 1584 [2020-11-30 00:37:00,014 INFO L226 Difference]: Without dead ends: 1056 [2020-11-30 00:37:00,017 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 [2020-11-30 00:37:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-11-30 00:37:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1052. [2020-11-30 00:37:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 00:37:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1598 transitions. [2020-11-30 00:37:00,063 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1598 transitions. Word has length 77 [2020-11-30 00:37:00,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:00,063 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1598 transitions. [2020-11-30 00:37:00,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1598 transitions. [2020-11-30 00:37:00,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-30 00:37:00,065 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:00,066 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] [2020-11-30 00:37:00,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-30 00:37:00,288 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]=== [2020-11-30 00:37:00,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:00,289 INFO L82 PathProgramCache]: Analyzing trace with hash 255966258, now seen corresponding path program 1 times [2020-11-30 00:37:00,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:00,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211402525] [2020-11-30 00:37:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:37:00,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211402525] [2020-11-30 00:37:00,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:00,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:00,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118384399] [2020-11-30 00:37:00,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:00,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:00,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:00,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:00,348 INFO L87 Difference]: Start difference. First operand 1052 states and 1598 transitions. Second operand 3 states. [2020-11-30 00:37:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:00,788 INFO L93 Difference]: Finished difference Result 2280 states and 3476 transitions. [2020-11-30 00:37:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:00,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-11-30 00:37:00,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:00,796 INFO L225 Difference]: With dead ends: 2280 [2020-11-30 00:37:00,797 INFO L226 Difference]: Without dead ends: 1236 [2020-11-30 00:37:00,803 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 [2020-11-30 00:37:00,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2020-11-30 00:37:00,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1224. [2020-11-30 00:37:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2020-11-30 00:37:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1874 transitions. [2020-11-30 00:37:00,856 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1874 transitions. Word has length 87 [2020-11-30 00:37:00,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:00,857 INFO L481 AbstractCegarLoop]: Abstraction has 1224 states and 1874 transitions. [2020-11-30 00:37:00,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1874 transitions. [2020-11-30 00:37:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 00:37:00,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:00,859 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] [2020-11-30 00:37:00,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 00:37:00,859 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]=== [2020-11-30 00:37:00,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:00,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1223364464, now seen corresponding path program 1 times [2020-11-30 00:37:00,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:00,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374998184] [2020-11-30 00:37:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:37:00,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374998184] [2020-11-30 00:37:00,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:00,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:00,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524627906] [2020-11-30 00:37:00,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:00,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:00,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:00,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:00,921 INFO L87 Difference]: Start difference. First operand 1224 states and 1874 transitions. Second operand 3 states. [2020-11-30 00:37:01,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:01,363 INFO L93 Difference]: Finished difference Result 2500 states and 3840 transitions. [2020-11-30 00:37:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:01,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-11-30 00:37:01,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:01,371 INFO L225 Difference]: With dead ends: 2500 [2020-11-30 00:37:01,372 INFO L226 Difference]: Without dead ends: 1276 [2020-11-30 00:37:01,374 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 [2020-11-30 00:37:01,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-11-30 00:37:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1264. [2020-11-30 00:37:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1264 states. [2020-11-30 00:37:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1950 transitions. [2020-11-30 00:37:01,435 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1950 transitions. Word has length 88 [2020-11-30 00:37:01,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:01,436 INFO L481 AbstractCegarLoop]: Abstraction has 1264 states and 1950 transitions. [2020-11-30 00:37:01,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1950 transitions. [2020-11-30 00:37:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 00:37:01,438 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:01,439 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] [2020-11-30 00:37:01,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 00:37:01,439 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]=== [2020-11-30 00:37:01,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:01,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1116790719, now seen corresponding path program 1 times [2020-11-30 00:37:01,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:01,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640664474] [2020-11-30 00:37:01,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 00:37:01,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640664474] [2020-11-30 00:37:01,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:01,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:01,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145445954] [2020-11-30 00:37:01,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:01,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:01,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:01,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:01,490 INFO L87 Difference]: Start difference. First operand 1264 states and 1950 transitions. Second operand 3 states. [2020-11-30 00:37:01,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:01,848 INFO L93 Difference]: Finished difference Result 2668 states and 4124 transitions. [2020-11-30 00:37:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:01,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-30 00:37:01,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:01,858 INFO L225 Difference]: With dead ends: 2668 [2020-11-30 00:37:01,859 INFO L226 Difference]: Without dead ends: 1412 [2020-11-30 00:37:01,861 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 [2020-11-30 00:37:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2020-11-30 00:37:01,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2020-11-30 00:37:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-11-30 00:37:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2086 transitions. [2020-11-30 00:37:01,935 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2086 transitions. Word has length 98 [2020-11-30 00:37:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:01,936 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 2086 transitions. [2020-11-30 00:37:01,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2086 transitions. [2020-11-30 00:37:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-30 00:37:01,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:01,939 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] [2020-11-30 00:37:01,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 00:37:01,939 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]=== [2020-11-30 00:37:01,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:01,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1441074182, now seen corresponding path program 1 times [2020-11-30 00:37:01,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:01,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621962669] [2020-11-30 00:37:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 00:37:01,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621962669] [2020-11-30 00:37:01,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:01,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:01,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106737939] [2020-11-30 00:37:01,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:01,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:02,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:02,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:02,002 INFO L87 Difference]: Start difference. First operand 1364 states and 2086 transitions. Second operand 3 states. [2020-11-30 00:37:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:02,477 INFO L93 Difference]: Finished difference Result 2768 states and 4240 transitions. [2020-11-30 00:37:02,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:02,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-30 00:37:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:02,487 INFO L225 Difference]: With dead ends: 2768 [2020-11-30 00:37:02,487 INFO L226 Difference]: Without dead ends: 1412 [2020-11-30 00:37:02,489 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 [2020-11-30 00:37:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2020-11-30 00:37:02,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2020-11-30 00:37:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-11-30 00:37:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2066 transitions. [2020-11-30 00:37:02,548 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2066 transitions. Word has length 99 [2020-11-30 00:37:02,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:02,548 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 2066 transitions. [2020-11-30 00:37:02,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2066 transitions. [2020-11-30 00:37:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-30 00:37:02,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:02,552 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] [2020-11-30 00:37:02,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 00:37:02,552 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]=== [2020-11-30 00:37:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1328244108, now seen corresponding path program 1 times [2020-11-30 00:37:02,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:02,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945472732] [2020-11-30 00:37:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:02,567 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:37:02,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664306588] [2020-11-30 00:37:02,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:02,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:37:02,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:37:02,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945472732] [2020-11-30 00:37:02,741 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:37:02,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664306588] [2020-11-30 00:37:02,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:02,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:02,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655165415] [2020-11-30 00:37:02,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:02,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:02,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:02,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:02,743 INFO L87 Difference]: Start difference. First operand 1364 states and 2066 transitions. Second operand 3 states. [2020-11-30 00:37:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:03,092 INFO L93 Difference]: Finished difference Result 2756 states and 4164 transitions. [2020-11-30 00:37:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:03,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-30 00:37:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:03,103 INFO L225 Difference]: With dead ends: 2756 [2020-11-30 00:37:03,103 INFO L226 Difference]: Without dead ends: 1400 [2020-11-30 00:37:03,106 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 [2020-11-30 00:37:03,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2020-11-30 00:37:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1364. [2020-11-30 00:37:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-11-30 00:37:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1994 transitions. [2020-11-30 00:37:03,160 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1994 transitions. Word has length 117 [2020-11-30 00:37:03,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:03,160 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 1994 transitions. [2020-11-30 00:37:03,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:03,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1994 transitions. [2020-11-30 00:37:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-30 00:37:03,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:03,163 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] [2020-11-30 00:37:03,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:03,388 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]=== [2020-11-30 00:37:03,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:03,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1689064237, now seen corresponding path program 1 times [2020-11-30 00:37:03,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:03,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688457523] [2020-11-30 00:37:03,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-30 00:37:03,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688457523] [2020-11-30 00:37:03,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:03,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:03,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746400225] [2020-11-30 00:37:03,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:03,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:03,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:03,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:03,459 INFO L87 Difference]: Start difference. First operand 1364 states and 1994 transitions. Second operand 3 states. [2020-11-30 00:37:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:03,791 INFO L93 Difference]: Finished difference Result 2828 states and 4136 transitions. [2020-11-30 00:37:03,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:03,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-30 00:37:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:03,800 INFO L225 Difference]: With dead ends: 2828 [2020-11-30 00:37:03,800 INFO L226 Difference]: Without dead ends: 1472 [2020-11-30 00:37:03,802 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 [2020-11-30 00:37:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-11-30 00:37:03,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2020-11-30 00:37:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2020-11-30 00:37:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2118 transitions. [2020-11-30 00:37:03,853 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2118 transitions. Word has length 118 [2020-11-30 00:37:03,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:03,854 INFO L481 AbstractCegarLoop]: Abstraction has 1460 states and 2118 transitions. [2020-11-30 00:37:03,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2118 transitions. [2020-11-30 00:37:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:37:03,857 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:03,857 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] [2020-11-30 00:37:03,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 00:37:03,857 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]=== [2020-11-30 00:37:03,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:03,858 INFO L82 PathProgramCache]: Analyzing trace with hash 582430036, now seen corresponding path program 1 times [2020-11-30 00:37:03,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:03,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902153568] [2020-11-30 00:37:03,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-30 00:37:03,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902153568] [2020-11-30 00:37:03,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:03,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:03,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938200291] [2020-11-30 00:37:03,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:03,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:03,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:03,922 INFO L87 Difference]: Start difference. First operand 1460 states and 2118 transitions. Second operand 3 states. [2020-11-30 00:37:04,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:04,364 INFO L93 Difference]: Finished difference Result 2924 states and 4240 transitions. [2020-11-30 00:37:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:04,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-30 00:37:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:04,376 INFO L225 Difference]: With dead ends: 2924 [2020-11-30 00:37:04,376 INFO L226 Difference]: Without dead ends: 1472 [2020-11-30 00:37:04,379 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 [2020-11-30 00:37:04,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-11-30 00:37:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2020-11-30 00:37:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2020-11-30 00:37:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2098 transitions. [2020-11-30 00:37:04,439 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2098 transitions. Word has length 119 [2020-11-30 00:37:04,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:04,439 INFO L481 AbstractCegarLoop]: Abstraction has 1460 states and 2098 transitions. [2020-11-30 00:37:04,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2098 transitions. [2020-11-30 00:37:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-30 00:37:04,443 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:04,443 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] [2020-11-30 00:37:04,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 00:37:04,444 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]=== [2020-11-30 00:37:04,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:04,444 INFO L82 PathProgramCache]: Analyzing trace with hash -790883194, now seen corresponding path program 1 times [2020-11-30 00:37:04,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:04,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127098039] [2020-11-30 00:37:04,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:37:04,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127098039] [2020-11-30 00:37:04,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:04,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:04,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838853754] [2020-11-30 00:37:04,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:04,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:04,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:04,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:04,500 INFO L87 Difference]: Start difference. First operand 1460 states and 2098 transitions. Second operand 3 states. [2020-11-30 00:37:05,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:05,007 INFO L93 Difference]: Finished difference Result 3092 states and 4446 transitions. [2020-11-30 00:37:05,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:05,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-11-30 00:37:05,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:05,018 INFO L225 Difference]: With dead ends: 3092 [2020-11-30 00:37:05,018 INFO L226 Difference]: Without dead ends: 1640 [2020-11-30 00:37:05,020 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 [2020-11-30 00:37:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-11-30 00:37:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2020-11-30 00:37:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1624 states. [2020-11-30 00:37:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2338 transitions. [2020-11-30 00:37:05,082 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2338 transitions. Word has length 127 [2020-11-30 00:37:05,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:05,082 INFO L481 AbstractCegarLoop]: Abstraction has 1624 states and 2338 transitions. [2020-11-30 00:37:05,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2338 transitions. [2020-11-30 00:37:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-30 00:37:05,086 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:05,087 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] [2020-11-30 00:37:05,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 00:37:05,087 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]=== [2020-11-30 00:37:05,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:05,088 INFO L82 PathProgramCache]: Analyzing trace with hash 13650500, now seen corresponding path program 1 times [2020-11-30 00:37:05,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:05,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943621784] [2020-11-30 00:37:05,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:37:05,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943621784] [2020-11-30 00:37:05,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:05,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:05,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617642868] [2020-11-30 00:37:05,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:05,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:05,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:05,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:05,164 INFO L87 Difference]: Start difference. First operand 1624 states and 2338 transitions. Second operand 3 states. [2020-11-30 00:37:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:05,750 INFO L93 Difference]: Finished difference Result 3256 states and 4682 transitions. [2020-11-30 00:37:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:05,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-30 00:37:05,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:05,762 INFO L225 Difference]: With dead ends: 3256 [2020-11-30 00:37:05,762 INFO L226 Difference]: Without dead ends: 1632 [2020-11-30 00:37:05,765 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 [2020-11-30 00:37:05,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2020-11-30 00:37:05,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1616. [2020-11-30 00:37:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2020-11-30 00:37:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2322 transitions. [2020-11-30 00:37:05,852 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2322 transitions. Word has length 128 [2020-11-30 00:37:05,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:05,853 INFO L481 AbstractCegarLoop]: Abstraction has 1616 states and 2322 transitions. [2020-11-30 00:37:05,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2322 transitions. [2020-11-30 00:37:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-30 00:37:05,857 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:05,857 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] [2020-11-30 00:37:05,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 00:37:05,858 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]=== [2020-11-30 00:37:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:05,858 INFO L82 PathProgramCache]: Analyzing trace with hash -802934786, now seen corresponding path program 1 times [2020-11-30 00:37:05,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:05,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631978677] [2020-11-30 00:37:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 00:37:05,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631978677] [2020-11-30 00:37:05,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:05,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:05,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349624528] [2020-11-30 00:37:05,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:05,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:05,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:05,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:05,913 INFO L87 Difference]: Start difference. First operand 1616 states and 2322 transitions. Second operand 3 states. [2020-11-30 00:37:06,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:06,452 INFO L93 Difference]: Finished difference Result 3324 states and 4779 transitions. [2020-11-30 00:37:06,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:06,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-30 00:37:06,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:06,463 INFO L225 Difference]: With dead ends: 3324 [2020-11-30 00:37:06,463 INFO L226 Difference]: Without dead ends: 1716 [2020-11-30 00:37:06,466 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 [2020-11-30 00:37:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-11-30 00:37:06,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2020-11-30 00:37:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-30 00:37:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2418 transitions. [2020-11-30 00:37:06,531 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2418 transitions. Word has length 139 [2020-11-30 00:37:06,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:06,532 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 2418 transitions. [2020-11-30 00:37:06,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2418 transitions. [2020-11-30 00:37:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-30 00:37:06,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:06,536 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] [2020-11-30 00:37:06,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-30 00:37:06,537 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]=== [2020-11-30 00:37:06,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:06,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2125881129, now seen corresponding path program 1 times [2020-11-30 00:37:06,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:06,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122377793] [2020-11-30 00:37:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 00:37:06,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122377793] [2020-11-30 00:37:06,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:06,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:06,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798158974] [2020-11-30 00:37:06,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:06,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:06,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:06,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:06,616 INFO L87 Difference]: Start difference. First operand 1700 states and 2418 transitions. Second operand 3 states. [2020-11-30 00:37:07,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:07,093 INFO L93 Difference]: Finished difference Result 3408 states and 4847 transitions. [2020-11-30 00:37:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:07,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-11-30 00:37:07,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:07,105 INFO L225 Difference]: With dead ends: 3408 [2020-11-30 00:37:07,105 INFO L226 Difference]: Without dead ends: 1716 [2020-11-30 00:37:07,108 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 [2020-11-30 00:37:07,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-11-30 00:37:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2020-11-30 00:37:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-30 00:37:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2390 transitions. [2020-11-30 00:37:07,182 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2390 transitions. Word has length 140 [2020-11-30 00:37:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:07,182 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 2390 transitions. [2020-11-30 00:37:07,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2390 transitions. [2020-11-30 00:37:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:37:07,187 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:07,187 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] [2020-11-30 00:37:07,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-30 00:37:07,187 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]=== [2020-11-30 00:37:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:07,188 INFO L82 PathProgramCache]: Analyzing trace with hash 791329785, now seen corresponding path program 1 times [2020-11-30 00:37:07,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:07,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234495537] [2020-11-30 00:37:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2020-11-30 00:37:07,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234495537] [2020-11-30 00:37:07,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:07,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:07,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738555290] [2020-11-30 00:37:07,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:07,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:07,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:07,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:07,239 INFO L87 Difference]: Start difference. First operand 1700 states and 2390 transitions. Second operand 3 states. [2020-11-30 00:37:07,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:07,460 INFO L93 Difference]: Finished difference Result 3374 states and 4736 transitions. [2020-11-30 00:37:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:07,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-30 00:37:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:07,486 INFO L225 Difference]: With dead ends: 3374 [2020-11-30 00:37:07,487 INFO L226 Difference]: Without dead ends: 1682 [2020-11-30 00:37:07,489 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 [2020-11-30 00:37:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2020-11-30 00:37:07,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1678. [2020-11-30 00:37:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2020-11-30 00:37:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2357 transitions. [2020-11-30 00:37:07,569 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2357 transitions. Word has length 155 [2020-11-30 00:37:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:07,569 INFO L481 AbstractCegarLoop]: Abstraction has 1678 states and 2357 transitions. [2020-11-30 00:37:07,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2357 transitions. [2020-11-30 00:37:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:37:07,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:07,575 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] [2020-11-30 00:37:07,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 00:37:07,575 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]=== [2020-11-30 00:37:07,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:07,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1730809671, now seen corresponding path program 1 times [2020-11-30 00:37:07,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:07,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977194818] [2020-11-30 00:37:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 00:37:07,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977194818] [2020-11-30 00:37:07,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938144894] [2020-11-30 00:37:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:07,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:37:07,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 00:37:07,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:37:07,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 00:37:07,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114173002] [2020-11-30 00:37:07,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:37:07,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:07,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:37:07,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:37:07,825 INFO L87 Difference]: Start difference. First operand 1678 states and 2357 transitions. Second operand 4 states. [2020-11-30 00:37:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:09,090 INFO L93 Difference]: Finished difference Result 5292 states and 7423 transitions. [2020-11-30 00:37:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:37:09,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2020-11-30 00:37:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:09,106 INFO L225 Difference]: With dead ends: 5292 [2020-11-30 00:37:09,106 INFO L226 Difference]: Without dead ends: 3522 [2020-11-30 00:37:09,112 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 [2020-11-30 00:37:09,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3522 states. [2020-11-30 00:37:09,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3522 to 2066. [2020-11-30 00:37:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2066 states. [2020-11-30 00:37:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2917 transitions. [2020-11-30 00:37:09,190 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2917 transitions. Word has length 155 [2020-11-30 00:37:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:09,191 INFO L481 AbstractCegarLoop]: Abstraction has 2066 states and 2917 transitions. [2020-11-30 00:37:09,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:37:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2917 transitions. [2020-11-30 00:37:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:37:09,195 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:09,196 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] [2020-11-30 00:37:09,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-30 00:37:09,409 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]=== [2020-11-30 00:37:09,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:09,409 INFO L82 PathProgramCache]: Analyzing trace with hash -481927805, now seen corresponding path program 1 times [2020-11-30 00:37:09,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:09,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788321364] [2020-11-30 00:37:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 00:37:09,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788321364] [2020-11-30 00:37:09,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688386070] [2020-11-30 00:37:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:09,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:37:09,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-30 00:37:09,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:37:09,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 00:37:09,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482884521] [2020-11-30 00:37:09,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:37:09,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:09,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:37:09,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:37:09,646 INFO L87 Difference]: Start difference. First operand 2066 states and 2917 transitions. Second operand 4 states. [2020-11-30 00:37:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:10,958 INFO L93 Difference]: Finished difference Result 5633 states and 7890 transitions. [2020-11-30 00:37:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:37:10,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2020-11-30 00:37:10,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:10,968 INFO L225 Difference]: With dead ends: 5633 [2020-11-30 00:37:10,968 INFO L226 Difference]: Without dead ends: 3575 [2020-11-30 00:37:10,972 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 [2020-11-30 00:37:10,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2020-11-30 00:37:11,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 2574. [2020-11-30 00:37:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2574 states. [2020-11-30 00:37:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3492 transitions. [2020-11-30 00:37:11,077 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3492 transitions. Word has length 157 [2020-11-30 00:37:11,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:11,077 INFO L481 AbstractCegarLoop]: Abstraction has 2574 states and 3492 transitions. [2020-11-30 00:37:11,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:37:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3492 transitions. [2020-11-30 00:37:11,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-30 00:37:11,083 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:11,083 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] [2020-11-30 00:37:11,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-11-30 00:37:11,297 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]=== [2020-11-30 00:37:11,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:11,297 INFO L82 PathProgramCache]: Analyzing trace with hash -224165000, now seen corresponding path program 1 times [2020-11-30 00:37:11,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:11,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385387558] [2020-11-30 00:37:11,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:37:11,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385387558] [2020-11-30 00:37:11,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:11,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:11,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509070571] [2020-11-30 00:37:11,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:11,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:11,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:11,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:11,362 INFO L87 Difference]: Start difference. First operand 2574 states and 3492 transitions. Second operand 3 states. [2020-11-30 00:37:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:11,535 INFO L93 Difference]: Finished difference Result 4361 states and 5916 transitions. [2020-11-30 00:37:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:11,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-11-30 00:37:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:11,543 INFO L225 Difference]: With dead ends: 4361 [2020-11-30 00:37:11,543 INFO L226 Difference]: Without dead ends: 2344 [2020-11-30 00:37:11,546 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 [2020-11-30 00:37:11,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2020-11-30 00:37:11,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2344. [2020-11-30 00:37:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2344 states. [2020-11-30 00:37:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3174 transitions. [2020-11-30 00:37:11,630 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3174 transitions. Word has length 164 [2020-11-30 00:37:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:11,631 INFO L481 AbstractCegarLoop]: Abstraction has 2344 states and 3174 transitions. [2020-11-30 00:37:11,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3174 transitions. [2020-11-30 00:37:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-30 00:37:11,636 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:11,636 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] [2020-11-30 00:37:11,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-30 00:37:11,637 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]=== [2020-11-30 00:37:11,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:11,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1734409786, now seen corresponding path program 1 times [2020-11-30 00:37:11,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:11,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163602170] [2020-11-30 00:37:11,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 00:37:11,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163602170] [2020-11-30 00:37:11,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772636896] [2020-11-30 00:37:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:11,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:37:11,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 00:37:11,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:37:11,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 00:37:11,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684910554] [2020-11-30 00:37:11,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:37:11,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:11,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:37:11,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:37:11,918 INFO L87 Difference]: Start difference. First operand 2344 states and 3174 transitions. Second operand 4 states. [2020-11-30 00:37:13,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:13,180 INFO L93 Difference]: Finished difference Result 5788 states and 7788 transitions. [2020-11-30 00:37:13,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:37:13,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2020-11-30 00:37:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:13,189 INFO L225 Difference]: With dead ends: 5788 [2020-11-30 00:37:13,189 INFO L226 Difference]: Without dead ends: 3428 [2020-11-30 00:37:13,193 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 [2020-11-30 00:37:13,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2020-11-30 00:37:13,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 2119. [2020-11-30 00:37:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2119 states. [2020-11-30 00:37:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2852 transitions. [2020-11-30 00:37:13,300 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2852 transitions. Word has length 164 [2020-11-30 00:37:13,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:13,300 INFO L481 AbstractCegarLoop]: Abstraction has 2119 states and 2852 transitions. [2020-11-30 00:37:13,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:37:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2852 transitions. [2020-11-30 00:37:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-30 00:37:13,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:13,306 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] [2020-11-30 00:37:13,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:13,533 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]=== [2020-11-30 00:37:13,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:13,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1887802310, now seen corresponding path program 1 times [2020-11-30 00:37:13,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:13,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197375770] [2020-11-30 00:37:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-11-30 00:37:13,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197375770] [2020-11-30 00:37:13,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:13,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:13,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541059798] [2020-11-30 00:37:13,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:13,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:13,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:13,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:13,614 INFO L87 Difference]: Start difference. First operand 2119 states and 2852 transitions. Second operand 3 states. [2020-11-30 00:37:13,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:13,746 INFO L93 Difference]: Finished difference Result 5124 states and 6835 transitions. [2020-11-30 00:37:13,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:13,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-30 00:37:13,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:13,754 INFO L225 Difference]: With dead ends: 5124 [2020-11-30 00:37:13,755 INFO L226 Difference]: Without dead ends: 3013 [2020-11-30 00:37:13,760 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 [2020-11-30 00:37:13,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2020-11-30 00:37:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3009. [2020-11-30 00:37:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3009 states. [2020-11-30 00:37:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 3983 transitions. [2020-11-30 00:37:13,874 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 3983 transitions. Word has length 166 [2020-11-30 00:37:13,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:13,875 INFO L481 AbstractCegarLoop]: Abstraction has 3009 states and 3983 transitions. [2020-11-30 00:37:13,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3983 transitions. [2020-11-30 00:37:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-30 00:37:13,881 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:13,882 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] [2020-11-30 00:37:13,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-11-30 00:37:13,882 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]=== [2020-11-30 00:37:13,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:13,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1582016052, now seen corresponding path program 1 times [2020-11-30 00:37:13,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:13,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764555144] [2020-11-30 00:37:13,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:13,900 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:37:13,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385400496] [2020-11-30 00:37:13,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:14,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:37:14,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-11-30 00:37:14,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764555144] [2020-11-30 00:37:14,125 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:37:14,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385400496] [2020-11-30 00:37:14,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:14,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:14,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535798079] [2020-11-30 00:37:14,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:37:14,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:14,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:37:14,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:37:14,128 INFO L87 Difference]: Start difference. First operand 3009 states and 3983 transitions. Second operand 4 states. [2020-11-30 00:37:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:14,897 INFO L93 Difference]: Finished difference Result 4680 states and 6099 transitions. [2020-11-30 00:37:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:37:14,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 187 [2020-11-30 00:37:14,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:14,907 INFO L225 Difference]: With dead ends: 4680 [2020-11-30 00:37:14,907 INFO L226 Difference]: Without dead ends: 3798 [2020-11-30 00:37:14,909 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 [2020-11-30 00:37:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3798 states. [2020-11-30 00:37:15,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3798 to 3277. [2020-11-30 00:37:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3277 states. [2020-11-30 00:37:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4317 transitions. [2020-11-30 00:37:15,063 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4317 transitions. Word has length 187 [2020-11-30 00:37:15,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:15,064 INFO L481 AbstractCegarLoop]: Abstraction has 3277 states and 4317 transitions. [2020-11-30 00:37:15,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:37:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4317 transitions. [2020-11-30 00:37:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 00:37:15,069 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:15,070 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] [2020-11-30 00:37:15,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2020-11-30 00:37:15,285 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]=== [2020-11-30 00:37:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:15,285 INFO L82 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2020-11-30 00:37:15,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:15,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086972770] [2020-11-30 00:37:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:15,313 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:37:15,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121065690] [2020-11-30 00:37:15,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:15,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:37:15,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-30 00:37:15,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086972770] [2020-11-30 00:37:15,553 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:37:15,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121065690] [2020-11-30 00:37:15,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:15,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:37:15,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851153444] [2020-11-30 00:37:15,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:37:15,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:15,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:37:15,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:37:15,556 INFO L87 Difference]: Start difference. First operand 3277 states and 4317 transitions. Second operand 5 states. [2020-11-30 00:37:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:16,795 INFO L93 Difference]: Finished difference Result 5121 states and 6712 transitions. [2020-11-30 00:37:16,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:37:16,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-11-30 00:37:16,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:16,808 INFO L225 Difference]: With dead ends: 5121 [2020-11-30 00:37:16,808 INFO L226 Difference]: Without dead ends: 5120 [2020-11-30 00:37:16,810 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 [2020-11-30 00:37:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5120 states. [2020-11-30 00:37:16,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5120 to 4596. [2020-11-30 00:37:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4596 states. [2020-11-30 00:37:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 4596 states and 6067 transitions. [2020-11-30 00:37:16,996 INFO L78 Accepts]: Start accepts. Automaton has 4596 states and 6067 transitions. Word has length 189 [2020-11-30 00:37:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:16,997 INFO L481 AbstractCegarLoop]: Abstraction has 4596 states and 6067 transitions. [2020-11-30 00:37:16,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:37:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4596 states and 6067 transitions. [2020-11-30 00:37:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 00:37:17,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:17,002 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] [2020-11-30 00:37:17,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:17,229 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]=== [2020-11-30 00:37:17,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:17,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2020-11-30 00:37:17,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:17,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444844983] [2020-11-30 00:37:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:17,247 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:37:17,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561913001] [2020-11-30 00:37:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:17,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:37:17,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:18,732 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2020-11-30 00:37:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-11-30 00:37:18,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444844983] [2020-11-30 00:37:18,786 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:37:18,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561913001] [2020-11-30 00:37:18,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:18,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:18,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140694215] [2020-11-30 00:37:18,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:37:18,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:18,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:37:18,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:37:18,790 INFO L87 Difference]: Start difference. First operand 4596 states and 6067 transitions. Second operand 4 states. [2020-11-30 00:37:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:25,172 INFO L93 Difference]: Finished difference Result 8545 states and 11292 transitions. [2020-11-30 00:37:25,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:37:25,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2020-11-30 00:37:25,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:25,185 INFO L225 Difference]: With dead ends: 8545 [2020-11-30 00:37:25,185 INFO L226 Difference]: Without dead ends: 4649 [2020-11-30 00:37:25,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:37:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2020-11-30 00:37:25,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4595. [2020-11-30 00:37:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4595 states. [2020-11-30 00:37:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 4595 states and 6050 transitions. [2020-11-30 00:37:25,341 INFO L78 Accepts]: Start accepts. Automaton has 4595 states and 6050 transitions. Word has length 190 [2020-11-30 00:37:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:25,342 INFO L481 AbstractCegarLoop]: Abstraction has 4595 states and 6050 transitions. [2020-11-30 00:37:25,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:37:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 6050 transitions. [2020-11-30 00:37:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 00:37:25,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:25,346 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] [2020-11-30 00:37:25,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:25,561 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]=== [2020-11-30 00:37:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:25,561 INFO L82 PathProgramCache]: Analyzing trace with hash -772079227, now seen corresponding path program 1 times [2020-11-30 00:37:25,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:25,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371773116] [2020-11-30 00:37:25,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:25,578 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:37:25,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696436174] [2020-11-30 00:37:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:25,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:37:25,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-11-30 00:37:25,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371773116] [2020-11-30 00:37:25,774 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:37:25,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696436174] [2020-11-30 00:37:25,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:25,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:25,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857761085] [2020-11-30 00:37:25,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:25,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:25,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:25,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:25,777 INFO L87 Difference]: Start difference. First operand 4595 states and 6050 transitions. Second operand 3 states. [2020-11-30 00:37:26,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:26,702 INFO L93 Difference]: Finished difference Result 9405 states and 12366 transitions. [2020-11-30 00:37:26,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:26,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-30 00:37:26,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:26,711 INFO L225 Difference]: With dead ends: 9405 [2020-11-30 00:37:26,712 INFO L226 Difference]: Without dead ends: 3462 [2020-11-30 00:37:26,717 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 [2020-11-30 00:37:26,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2020-11-30 00:37:26,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3453. [2020-11-30 00:37:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3453 states. [2020-11-30 00:37:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 4500 transitions. [2020-11-30 00:37:26,832 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 4500 transitions. Word has length 197 [2020-11-30 00:37:26,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:26,833 INFO L481 AbstractCegarLoop]: Abstraction has 3453 states and 4500 transitions. [2020-11-30 00:37:26,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 4500 transitions. [2020-11-30 00:37:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-30 00:37:26,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:26,835 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] [2020-11-30 00:37:27,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-11-30 00:37:27,049 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]=== [2020-11-30 00:37:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:27,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1185552693, now seen corresponding path program 1 times [2020-11-30 00:37:27,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:27,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265659266] [2020-11-30 00:37:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-11-30 00:37:27,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265659266] [2020-11-30 00:37:27,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:27,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:27,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220804369] [2020-11-30 00:37:27,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:27,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:27,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:27,176 INFO L87 Difference]: Start difference. First operand 3453 states and 4500 transitions. Second operand 3 states. [2020-11-30 00:37:28,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:28,009 INFO L93 Difference]: Finished difference Result 6557 states and 8524 transitions. [2020-11-30 00:37:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:28,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-11-30 00:37:28,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:28,017 INFO L225 Difference]: With dead ends: 6557 [2020-11-30 00:37:28,017 INFO L226 Difference]: Without dead ends: 2980 [2020-11-30 00:37:28,021 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 [2020-11-30 00:37:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2020-11-30 00:37:28,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2938. [2020-11-30 00:37:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2938 states. [2020-11-30 00:37:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 3791 transitions. [2020-11-30 00:37:28,125 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 3791 transitions. Word has length 198 [2020-11-30 00:37:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:28,125 INFO L481 AbstractCegarLoop]: Abstraction has 2938 states and 3791 transitions. [2020-11-30 00:37:28,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 3791 transitions. [2020-11-30 00:37:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-30 00:37:28,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:28,128 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] [2020-11-30 00:37:28,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-11-30 00:37:28,129 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]=== [2020-11-30 00:37:28,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:28,129 INFO L82 PathProgramCache]: Analyzing trace with hash 668179624, now seen corresponding path program 1 times [2020-11-30 00:37:28,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:28,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280074264] [2020-11-30 00:37:28,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-11-30 00:37:28,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280074264] [2020-11-30 00:37:28,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:28,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:28,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216168072] [2020-11-30 00:37:28,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:28,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:28,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:28,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:28,335 INFO L87 Difference]: Start difference. First operand 2938 states and 3791 transitions. Second operand 3 states. [2020-11-30 00:37:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:29,090 INFO L93 Difference]: Finished difference Result 6213 states and 7983 transitions. [2020-11-30 00:37:29,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:29,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-11-30 00:37:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:29,100 INFO L225 Difference]: With dead ends: 6213 [2020-11-30 00:37:29,100 INFO L226 Difference]: Without dead ends: 3298 [2020-11-30 00:37:29,104 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 [2020-11-30 00:37:29,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2020-11-30 00:37:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3278. [2020-11-30 00:37:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3278 states. [2020-11-30 00:37:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 4181 transitions. [2020-11-30 00:37:29,218 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 4181 transitions. Word has length 336 [2020-11-30 00:37:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:29,219 INFO L481 AbstractCegarLoop]: Abstraction has 3278 states and 4181 transitions. [2020-11-30 00:37:29,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 4181 transitions. [2020-11-30 00:37:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-11-30 00:37:29,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:29,223 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] [2020-11-30 00:37:29,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-11-30 00:37:29,223 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]=== [2020-11-30 00:37:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1247487280, now seen corresponding path program 1 times [2020-11-30 00:37:29,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:29,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966654061] [2020-11-30 00:37:29,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 823 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-11-30 00:37:29,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966654061] [2020-11-30 00:37:29,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:29,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:37:29,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038532722] [2020-11-30 00:37:29,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:29,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:29,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:29,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:29,426 INFO L87 Difference]: Start difference. First operand 3278 states and 4181 transitions. Second operand 3 states. [2020-11-30 00:37:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:30,214 INFO L93 Difference]: Finished difference Result 6662 states and 8484 transitions. [2020-11-30 00:37:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:30,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 367 [2020-11-30 00:37:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:30,219 INFO L225 Difference]: With dead ends: 6662 [2020-11-30 00:37:30,219 INFO L226 Difference]: Without dead ends: 3407 [2020-11-30 00:37:30,222 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 [2020-11-30 00:37:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2020-11-30 00:37:30,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3103. [2020-11-30 00:37:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-11-30 00:37:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3948 transitions. [2020-11-30 00:37:30,301 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3948 transitions. Word has length 367 [2020-11-30 00:37:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:30,302 INFO L481 AbstractCegarLoop]: Abstraction has 3103 states and 3948 transitions. [2020-11-30 00:37:30,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3948 transitions. [2020-11-30 00:37:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-11-30 00:37:30,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:30,306 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] [2020-11-30 00:37:30,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-11-30 00:37:30,307 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]=== [2020-11-30 00:37:30,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:30,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1284808221, now seen corresponding path program 1 times [2020-11-30 00:37:30,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:30,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064655583] [2020-11-30 00:37:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:30,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-11-30 00:37:30,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064655583] [2020-11-30 00:37:30,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394248358] [2020-11-30 00:37:30,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/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 [2020-11-30 00:37:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:30,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:37:30,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:30,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-11-30 00:37:30,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:37:30,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-30 00:37:30,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070125403] [2020-11-30 00:37:30,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:37:30,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:37:30,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:37:30,834 INFO L87 Difference]: Start difference. First operand 3103 states and 3948 transitions. Second operand 6 states. [2020-11-30 00:37:31,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:31,956 INFO L93 Difference]: Finished difference Result 4147 states and 5272 transitions. [2020-11-30 00:37:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:37:31,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 400 [2020-11-30 00:37:31,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:31,959 INFO L225 Difference]: With dead ends: 4147 [2020-11-30 00:37:31,959 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:37:31,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:37:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:37:31,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:37:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:37:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:37:31,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2020-11-30 00:37:31,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:31,964 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:37:31,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:37:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:37:31,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:37:32,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-11-30 00:37:32,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:37:32,275 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2020-11-30 00:37:32,405 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2020-11-30 00:37:33,754 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 433 DAG size of output: 289 [2020-11-30 00:37:34,067 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2020-11-30 00:37:34,174 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2020-11-30 00:37:34,424 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 115 [2020-11-30 00:37:34,707 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2020-11-30 00:37:35,826 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 434 DAG size of output: 290 [2020-11-30 00:37:38,577 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-11-30 00:37:41,181 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 122 DAG size of output: 23 [2020-11-30 00:37:48,839 WARN L193 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 241 DAG size of output: 96 [2020-11-30 00:37:52,281 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2020-11-30 00:37:55,793 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2020-11-30 00:37:59,170 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2020-11-30 00:38:01,494 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2020-11-30 00:38:04,523 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-11-30 00:38:09,341 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2020-11-30 00:38:12,527 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2020-11-30 00:38:16,263 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-11-30 00:38:19,272 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 90 DAG size of output: 53 [2020-11-30 00:38:25,237 WARN L193 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 122 DAG size of output: 23 [2020-11-30 00:38:33,626 WARN L193 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-11-30 00:38:40,667 WARN L193 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 125 DAG size of output: 48 [2020-11-30 00:38:49,070 WARN L193 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2020-11-30 00:39:06,529 WARN L193 SmtUtils]: Spent 17.46 s on a formula simplification. DAG size of input: 242 DAG size of output: 96 [2020-11-30 00:39:13,812 WARN L193 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 129 DAG size of output: 14 [2020-11-30 00:39:23,861 WARN L193 SmtUtils]: Spent 10.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 50 [2020-11-30 00:39:23,864 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2020-11-30 00:39:23,864 INFO L274 CegarLoopResult]: For program point L663(lines 663 667) no Hoare annotation was computed. [2020-11-30 00:39:23,864 INFO L274 CegarLoopResult]: For program point L630(lines 630 639) no Hoare annotation was computed. [2020-11-30 00:39:23,864 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2020-11-30 00:39:23,865 INFO L274 CegarLoopResult]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2020-11-30 00:39:23,865 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))) [2020-11-30 00:39:23,866 INFO L270 CegarLoopResult]: At program point L168(lines 167 606) 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))) [2020-11-30 00:39:23,866 INFO L270 CegarLoopResult]: At program point L135(lines 128 619) 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))) [2020-11-30 00:39:23,866 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L203(lines 203 594) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L170(lines 170 605) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L137(lines 137 616) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L104(lines 104 627) no Hoare annotation was computed. [2020-11-30 00:39:23,867 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-11-30 00:39:23,868 INFO L270 CegarLoopResult]: At program point L204(lines 200 595) 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))) [2020-11-30 00:39:23,868 INFO L270 CegarLoopResult]: At program point L105(lines 104 627) the Hoare annotation is: false [2020-11-30 00:39:23,868 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-30 00:39:23,868 INFO L274 CegarLoopResult]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,868 INFO L274 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-11-30 00:39:23,868 INFO L274 CegarLoopResult]: For program point L206(lines 206 593) no Hoare annotation was computed. [2020-11-30 00:39:23,868 INFO L274 CegarLoopResult]: For program point L173(lines 173 604) no Hoare annotation was computed. [2020-11-30 00:39:23,868 INFO L274 CegarLoopResult]: For program point L140(lines 140 615) no Hoare annotation was computed. [2020-11-30 00:39:23,869 INFO L274 CegarLoopResult]: For program point L107(lines 107 626) no Hoare annotation was computed. [2020-11-30 00:39:23,869 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,869 INFO L274 CegarLoopResult]: For program point L504-1(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,870 INFO L274 CegarLoopResult]: For program point L504-2(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,870 INFO L274 CegarLoopResult]: For program point L504-3(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,871 INFO L270 CegarLoopResult]: At program point L207(lines 206 593) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 00:39:23,871 INFO L270 CegarLoopResult]: At program point L174(lines 170 605) 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)))) [2020-11-30 00:39:23,871 INFO L270 CegarLoopResult]: At program point L141(lines 137 616) 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))) [2020-11-30 00:39:23,871 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point L176(lines 176 603) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point L143(lines 143 614) no Hoare annotation was computed. [2020-11-30 00:39:23,872 INFO L274 CegarLoopResult]: For program point L110(lines 110 625) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L573(lines 573 583) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L270 CegarLoopResult]: At program point L210(lines 209 592) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-11-30 00:39:23,873 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))) [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L274 CegarLoopResult]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,873 INFO L277 CegarLoopResult]: At program point L674(lines 66 676) the Hoare annotation is: true [2020-11-30 00:39:23,874 INFO L274 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-11-30 00:39:23,874 INFO L274 CegarLoopResult]: For program point L542(lines 542 547) no Hoare annotation was computed. [2020-11-30 00:39:23,874 INFO L274 CegarLoopResult]: For program point L179(lines 179 602) no Hoare annotation was computed. [2020-11-30 00:39:23,874 INFO L274 CegarLoopResult]: For program point L146(lines 146 613) no Hoare annotation was computed. [2020-11-30 00:39:23,874 INFO L274 CegarLoopResult]: For program point L113(lines 113 624) no Hoare annotation was computed. [2020-11-30 00:39:23,874 INFO L277 CegarLoopResult]: At program point L675(lines 11 677) the Hoare annotation is: true [2020-11-30 00:39:23,874 INFO L274 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-11-30 00:39:23,875 INFO L274 CegarLoopResult]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-11-30 00:39:23,875 INFO L270 CegarLoopResult]: At program point L180(lines 176 603) 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))) [2020-11-30 00:39:23,875 INFO L270 CegarLoopResult]: At program point L147(lines 143 614) 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))) [2020-11-30 00:39:23,875 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,875 INFO L274 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-11-30 00:39:23,875 INFO L270 CegarLoopResult]: At program point L214(lines 107 626) the Hoare annotation is: false [2020-11-30 00:39:23,875 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L182(lines 182 601) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L149(lines 149 612) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L116(lines 116 623) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-11-30 00:39:23,876 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-11-30 00:39:23,877 INFO L274 CegarLoopResult]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2020-11-30 00:39:23,877 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:39:23,877 INFO L274 CegarLoopResult]: For program point L185(lines 185 600) no Hoare annotation was computed. [2020-11-30 00:39:23,877 INFO L274 CegarLoopResult]: For program point L152(lines 152 611) no Hoare annotation was computed. [2020-11-30 00:39:23,877 INFO L274 CegarLoopResult]: For program point L119(lines 119 622) no Hoare annotation was computed. [2020-11-30 00:39:23,877 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-11-30 00:39:23,878 INFO L274 CegarLoopResult]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-11-30 00:39:23,878 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-11-30 00:39:23,878 INFO L274 CegarLoopResult]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-11-30 00:39:23,878 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-11-30 00:39:23,878 INFO L270 CegarLoopResult]: At program point L186(lines 182 601) 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))) [2020-11-30 00:39:23,879 INFO L270 CegarLoopResult]: At program point L153(lines 149 612) 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))) [2020-11-30 00:39:23,879 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,879 INFO L274 CegarLoopResult]: For program point L188(lines 188 599) no Hoare annotation was computed. [2020-11-30 00:39:23,879 INFO L274 CegarLoopResult]: For program point L155(lines 155 610) no Hoare annotation was computed. [2020-11-30 00:39:23,880 INFO L274 CegarLoopResult]: For program point L122(lines 122 621) no Hoare annotation was computed. [2020-11-30 00:39:23,880 INFO L274 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-11-30 00:39:23,880 INFO L274 CegarLoopResult]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-11-30 00:39:23,880 INFO L274 CegarLoopResult]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-11-30 00:39:23,880 INFO L270 CegarLoopResult]: At program point L123(lines 119 622) the Hoare annotation is: false [2020-11-30 00:39:23,880 INFO L270 CegarLoopResult]: At program point L553(lines 66 676) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 00:39:23,881 INFO L274 CegarLoopResult]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-11-30 00:39:23,881 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:39:23,881 INFO L274 CegarLoopResult]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-11-30 00:39:23,881 INFO L274 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-11-30 00:39:23,881 INFO L274 CegarLoopResult]: For program point L191(lines 191 598) no Hoare annotation was computed. [2020-11-30 00:39:23,881 INFO L274 CegarLoopResult]: For program point L158(lines 158 609) no Hoare annotation was computed. [2020-11-30 00:39:23,882 INFO L274 CegarLoopResult]: For program point L125(lines 125 620) no Hoare annotation was computed. [2020-11-30 00:39:23,882 INFO L277 CegarLoopResult]: At program point L687(lines 678 689) the Hoare annotation is: true [2020-11-30 00:39:23,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2020-11-30 00:39:23,882 INFO L274 CegarLoopResult]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-11-30 00:39:23,882 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-30 00:39:23,882 INFO L274 CegarLoopResult]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,883 INFO L270 CegarLoopResult]: At program point L192(lines 188 599) 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))) [2020-11-30 00:39:23,883 INFO L270 CegarLoopResult]: At program point L159(lines 155 610) 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))) [2020-11-30 00:39:23,884 INFO L270 CegarLoopResult]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (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 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (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))) [2020-11-30 00:39:23,884 INFO L274 CegarLoopResult]: For program point L523(lines 523 528) no Hoare annotation was computed. [2020-11-30 00:39:23,884 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:39:23,884 INFO L274 CegarLoopResult]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-11-30 00:39:23,884 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2020-11-30 00:39:23,884 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:39:23,885 INFO L270 CegarLoopResult]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse19 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse27 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse21 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse7 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse25 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse28 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse26 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse23 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse15 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse7 .cse8 .cse20 .cse15) (and .cse7 .cse8 .cse20 .cse13) (and .cse7 .cse8 .cse20 .cse21 .cse15 .cse22) (and .cse0 .cse12 .cse1 .cse23 .cse24 .cse4 .cse5 .cse15) (and .cse25 .cse7 .cse8 .cse20 .cse26 .cse27) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse27 .cse12 .cse13 .cse14 .cse16 .cse17 .cse18) (and .cse25 .cse23 .cse28 .cse26 .cse27) (and .cse19 .cse7 .cse8 .cse2 .cse20 .cse3) (and .cse7 .cse8 .cse2 .cse20 .cse21 .cse3 .cse22) (and .cse0 .cse1 .cse12 .cse23 .cse4 .cse24 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse27) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse27 .cse13 .cse14 .cse16 .cse17 .cse18 .cse22) (and .cse2 .cse21 (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse22) (and .cse25 .cse7 .cse8 .cse20 .cse15 .cse26) (and .cse25 .cse23 .cse28 .cse15 .cse26) (and .cse0 .cse1 .cse23 .cse4 .cse24 .cse5 .cse15 .cse22))) [2020-11-30 00:39:23,885 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-30 00:39:23,886 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-11-30 00:39:23,886 INFO L274 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-11-30 00:39:23,886 INFO L274 CegarLoopResult]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-11-30 00:39:23,886 INFO L274 CegarLoopResult]: For program point L194(lines 194 597) no Hoare annotation was computed. [2020-11-30 00:39:23,886 INFO L274 CegarLoopResult]: For program point L161(lines 161 608) no Hoare annotation was computed. [2020-11-30 00:39:23,886 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2020-11-30 00:39:23,887 INFO L274 CegarLoopResult]: For program point L128(lines 128 619) no Hoare annotation was computed. [2020-11-30 00:39:23,887 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-11-30 00:39:23,887 INFO L274 CegarLoopResult]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-11-30 00:39:23,887 INFO L277 CegarLoopResult]: At program point L659(lines 100 660) the Hoare annotation is: true [2020-11-30 00:39:23,887 INFO L274 CegarLoopResult]: For program point L197(lines 197 596) no Hoare annotation was computed. [2020-11-30 00:39:23,887 INFO L274 CegarLoopResult]: For program point L164(lines 164 607) no Hoare annotation was computed. [2020-11-30 00:39:23,888 INFO L274 CegarLoopResult]: For program point L131(lines 131 618) no Hoare annotation was computed. [2020-11-30 00:39:23,888 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:39:23,888 INFO L274 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-11-30 00:39:23,888 INFO L274 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-11-30 00:39:23,888 INFO L274 CegarLoopResult]: For program point L264-1(line 264) no Hoare annotation was computed. [2020-11-30 00:39:23,889 INFO L270 CegarLoopResult]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~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))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 .cse1 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse6) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 00:39:23,889 INFO L270 CegarLoopResult]: At program point L165(lines 161 608) 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))) [2020-11-30 00:39:23,889 INFO L274 CegarLoopResult]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,889 INFO L274 CegarLoopResult]: For program point L628(lines 628 656) no Hoare annotation was computed. [2020-11-30 00:39:23,890 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-11-30 00:39:23,890 INFO L274 CegarLoopResult]: For program point L629(lines 629 653) no Hoare annotation was computed. [2020-11-30 00:39:23,890 INFO L274 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-11-30 00:39:23,890 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-11-30 00:39:23,890 INFO L274 CegarLoopResult]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2020-11-30 00:39:23,890 INFO L274 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-11-30 00:39:23,891 INFO L274 CegarLoopResult]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2020-11-30 00:39:23,891 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-11-30 00:39:23,891 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))) [2020-11-30 00:39:23,891 INFO L274 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-11-30 00:39:23,891 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-30 00:39:23,892 INFO L274 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-11-30 00:39:23,892 INFO L274 CegarLoopResult]: For program point L200(lines 200 595) no Hoare annotation was computed. [2020-11-30 00:39:23,892 INFO L274 CegarLoopResult]: For program point L167(lines 167 606) no Hoare annotation was computed. [2020-11-30 00:39:23,892 INFO L274 CegarLoopResult]: For program point L134(lines 134 617) no Hoare annotation was computed. [2020-11-30 00:39:23,893 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse19 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse27 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse21 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse7 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse25 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse28 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse26 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse23 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse15 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse7 .cse8 .cse20 .cse15) (and .cse7 .cse8 .cse20 .cse13) (and .cse7 .cse8 .cse20 .cse21 .cse15 .cse22) (and .cse0 .cse12 .cse1 .cse23 .cse24 .cse4 .cse5 .cse15) (and .cse25 .cse7 .cse8 .cse20 .cse26 .cse27) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse27 .cse12 .cse13 .cse14 .cse16 .cse17 .cse18) (and .cse25 .cse23 .cse28 .cse26 .cse27) (and .cse19 .cse7 .cse8 .cse2 .cse20 .cse3) (and .cse7 .cse8 .cse2 .cse20 .cse21 .cse3 .cse22) (and .cse0 .cse1 .cse12 .cse23 .cse4 .cse24 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse27) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse27 .cse13 .cse14 .cse16 .cse17 .cse18 .cse22) (and .cse2 .cse21 (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse22) (and .cse25 .cse7 .cse8 .cse20 .cse15 .cse26) (and .cse25 .cse23 .cse28 .cse15 .cse26) (and .cse0 .cse1 .cse23 .cse4 .cse24 .cse5 .cse15 .cse22))) [2020-11-30 00:39:23,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:39:23 BoogieIcfgContainer [2020-11-30 00:39:23,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:39:23,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:39:23,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:39:23,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:39:23,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:53" (3/4) ... [2020-11-30 00:39:23,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:39:24,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:39:24,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:39:24,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:39:24,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:39:24,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_043a3c9a-467f-4faa-ab6a-e3609f34853b/bin/uautomizer/witness.graphml [2020-11-30 00:39:24,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:39:24,160 INFO L168 Benchmark]: Toolchain (without parser) took 152747.35 ms. Allocated memory was 86.0 MB in the beginning and 604.0 MB in the end (delta: 518.0 MB). Free memory was 53.9 MB in the beginning and 441.6 MB in the end (delta: -387.7 MB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,161 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:39:24,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.16 ms. Allocated memory is still 86.0 MB. Free memory was 53.8 MB in the beginning and 59.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.12 ms. Allocated memory is still 86.0 MB. Free memory was 59.1 MB in the beginning and 56.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,162 INFO L168 Benchmark]: Boogie Preprocessor took 39.15 ms. Allocated memory is still 86.0 MB. Free memory was 56.4 MB in the beginning and 54.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,163 INFO L168 Benchmark]: RCFGBuilder took 1112.12 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 54.0 MB in the beginning and 53.4 MB in the end (delta: 577.4 kB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,163 INFO L168 Benchmark]: TraceAbstraction took 150852.30 ms. Allocated memory was 104.9 MB in the beginning and 604.0 MB in the end (delta: 499.1 MB). Free memory was 52.9 MB in the beginning and 455.3 MB in the end (delta: -402.4 MB). Peak memory consumption was 342.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,164 INFO L168 Benchmark]: Witness Printer took 169.99 ms. Allocated memory is still 604.0 MB. Free memory was 455.3 MB in the beginning and 441.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:24,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 463.16 ms. Allocated memory is still 86.0 MB. Free memory was 53.8 MB in the beginning and 59.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.12 ms. Allocated memory is still 86.0 MB. Free memory was 59.1 MB in the beginning and 56.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.15 ms. Allocated memory is still 86.0 MB. Free memory was 56.4 MB in the beginning and 54.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1112.12 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 54.0 MB in the beginning and 53.4 MB in the end (delta: 577.4 kB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 150852.30 ms. Allocated memory was 104.9 MB in the beginning and 604.0 MB in the end (delta: 499.1 MB). Free memory was 52.9 MB in the beginning and 455.3 MB in the end (delta: -402.4 MB). Peak memory consumption was 342.0 MB. Max. memory is 16.1 GB. * Witness Printer took 169.99 ms. Allocated memory is still 604.0 MB. Free memory was 455.3 MB in the beginning and 441.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 504]: 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: 504]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 504]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 504]: 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: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(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) && !(8448 == s__state))) || (((((!(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)) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0)) || (((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && blastFlag <= 1) && !(s__hit == 0)) - 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: 66]: 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)) && !(8497 == s__state)) && !(8560 == 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) - 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: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(12292 == s__state) - 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 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) && blastFlag <= 3) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8672)) && !(s__hit == 0)) - 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: 66]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - 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: (((((((((((((((((((((!(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) && !(8448 == s__state))) || (((((!(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)) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && s__state <= 8576) && blastFlag <= 1) && 8576 <= s__s3__tmp__next_state___0)) || (((((((!(24576 == s__state) && !(s__state == 8673)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__state == 8657)) && !(s__state == 16384)) && blastFlag <= 1) && !(s__hit == 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: 38.9s, OverallIterations: 40, TraceHistogramMax: 14, AutomataDifference: 26.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 111.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7300 SDtfs, 5977 SDslu, 3955 SDs, 0 SdLazy, 4438 SolverSat, 1139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2025 GetRequests, 1971 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4596occurred 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, 5606 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 250 NumberOfFragments, 2823 HoareAnnotationTreeSize, 29 FomulaSimplifications, 304155 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 29 FomulaSimplificationsInter, 91043 FormulaSimplificationTreeSizeReductionInter, 107.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 5877 NumberOfCodeBlocks, 5877 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 5833 ConstructedInterpolants, 0 QuantifiedInterpolants, 1723551 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3902 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...