./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:39:51,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:39:51,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:39:51,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:39:51,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:39:51,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:39:51,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:39:51,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:39:51,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:39:51,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:39:51,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:39:51,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:39:51,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:39:51,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:39:51,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:39:51,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:39:51,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:39:51,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:39:51,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:39:51,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:39:51,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:39:51,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:39:51,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:39:51,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:39:52,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:39:52,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:39:52,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:39:52,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:39:52,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:39:52,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:39:52,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:39:52,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:39:52,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:39:52,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:39:52,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:39:52,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:39:52,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:39:52,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:39:52,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:39:52,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:39:52,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:39:52,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-12-01 15:39:52,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:39:52,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:39:52,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:39:52,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:39:52,051 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:39:52,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:39:52,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:39:52,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:39:52,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:39:52,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:39:52,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:39:52,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:39:52,055 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:39:52,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:39:52,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:39:52,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:39:52,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:39:52,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:39:52,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:39:52,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:39:52,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:39:52,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:39:52,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:39:52,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:39:52,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:39:52,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:39:52,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:39:52,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:39:52,060 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_c11a43f4-b9e0-4b80-8c87-599468eb020b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-12-01 15:39:52,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:39:52,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:39:52,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:39:52,436 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:39:52,437 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:39:52,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-01 15:39:52,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/data/238f5fe0f/a87bed2c80cb4aac82df6aacb138e8cf/FLAGfcd97f02c [2020-12-01 15:39:53,399 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:39:53,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-01 15:39:53,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/data/238f5fe0f/a87bed2c80cb4aac82df6aacb138e8cf/FLAGfcd97f02c [2020-12-01 15:39:53,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/data/238f5fe0f/a87bed2c80cb4aac82df6aacb138e8cf [2020-12-01 15:39:53,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:39:53,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:39:53,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:39:53,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:39:53,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:39:53,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:39:53" (1/1) ... [2020-12-01 15:39:53,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a71d63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:53, skipping insertion in model container [2020-12-01 15:39:53,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:39:53" (1/1) ... [2020-12-01 15:39:53,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:39:53,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:39:54,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:39:54,877 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:39:55,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:39:55,634 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:39:55,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55 WrapperNode [2020-12-01 15:39:55,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:39:55,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:39:55,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:39:55,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:39:55,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:39:55,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:39:55,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:39:55,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:39:55,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... [2020-12-01 15:39:55,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:39:55,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:39:55,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:39:55,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:39:55,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:39:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:39:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:39:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-12-01 15:39:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:39:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:39:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:39:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:39:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:39:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:39:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:39:56,960 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:39:56,960 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-01 15:39:56,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:39:56 BoogieIcfgContainer [2020-12-01 15:39:56,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:39:56,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:39:56,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:39:56,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:39:56,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:39:53" (1/3) ... [2020-12-01 15:39:56,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5831c347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:39:56, skipping insertion in model container [2020-12-01 15:39:56,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:55" (2/3) ... [2020-12-01 15:39:56,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5831c347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:39:56, skipping insertion in model container [2020-12-01 15:39:56,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:39:56" (3/3) ... [2020-12-01 15:39:56,978 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2020-12-01 15:39:57,002 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:39:57,007 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-12-01 15:39:57,041 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-12-01 15:39:57,071 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:39:57,071 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:39:57,071 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:39:57,072 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:39:57,072 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:39:57,072 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:39:57,072 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:39:57,073 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:39:57,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-12-01 15:39:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 15:39:57,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:57,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-01 15:39:57,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:39:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:57,108 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-12-01 15:39:57,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:57,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026368270] [2020-12-01 15:39:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:57,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026368270] [2020-12-01 15:39:57,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:57,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:57,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227745251] [2020-12-01 15:39:57,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:57,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:57,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:57,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:57,592 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 3 states. [2020-12-01 15:39:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:57,677 INFO L93 Difference]: Finished difference Result 98 states and 116 transitions. [2020-12-01 15:39:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:57,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-01 15:39:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:57,702 INFO L225 Difference]: With dead ends: 98 [2020-12-01 15:39:57,704 INFO L226 Difference]: Without dead ends: 49 [2020-12-01 15:39:57,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:57,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-01 15:39:57,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-01 15:39:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-01 15:39:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-12-01 15:39:57,755 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 4 [2020-12-01 15:39:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:57,756 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-12-01 15:39:57,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-12-01 15:39:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:39:57,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:57,758 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-12-01 15:39:57,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:39:57,759 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:39:57,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:57,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1809705867, now seen corresponding path program 1 times [2020-12-01 15:39:57,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:57,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83120222] [2020-12-01 15:39:57,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 15:39:57,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83120222] [2020-12-01 15:39:57,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:57,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:57,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625177535] [2020-12-01 15:39:57,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:57,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:57,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:57,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:57,991 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 3 states. [2020-12-01 15:39:58,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:58,023 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-12-01 15:39:58,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:58,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-01 15:39:58,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:58,027 INFO L225 Difference]: With dead ends: 49 [2020-12-01 15:39:58,028 INFO L226 Difference]: Without dead ends: 48 [2020-12-01 15:39:58,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-01 15:39:58,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-12-01 15:39:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-01 15:39:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2020-12-01 15:39:58,048 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 7 [2020-12-01 15:39:58,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:58,049 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2020-12-01 15:39:58,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2020-12-01 15:39:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 15:39:58,053 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:58,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2020-12-01 15:39:58,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:39:58,054 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:39:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 266307074, now seen corresponding path program 1 times [2020-12-01 15:39:58,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:58,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753227453] [2020-12-01 15:39:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:58,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753227453] [2020-12-01 15:39:58,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313367593] [2020-12-01 15:39:58,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:39:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:58,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:39:58,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:39:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:58,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:39:58,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-01 15:39:58,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950847049] [2020-12-01 15:39:58,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:39:58,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:58,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:39:58,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:58,530 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 4 states. [2020-12-01 15:39:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:58,575 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2020-12-01 15:39:58,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:39:58,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-01 15:39:58,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:58,579 INFO L225 Difference]: With dead ends: 48 [2020-12-01 15:39:58,580 INFO L226 Difference]: Without dead ends: 47 [2020-12-01 15:39:58,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-01 15:39:58,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-12-01 15:39:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-01 15:39:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-12-01 15:39:58,591 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 8 [2020-12-01 15:39:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:58,592 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-12-01 15:39:58,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:39:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-12-01 15:39:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 15:39:58,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:58,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:58,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-01 15:39:58,818 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:39:58,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:58,819 INFO L82 PathProgramCache]: Analyzing trace with hash -334468778, now seen corresponding path program 1 times [2020-12-01 15:39:58,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:58,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581227641] [2020-12-01 15:39:58,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:58,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581227641] [2020-12-01 15:39:58,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15565700] [2020-12-01 15:39:58,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:39:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:59,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:39:59,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:39:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:59,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:39:59,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-01 15:39:59,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697542573] [2020-12-01 15:39:59,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:39:59,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:59,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:39:59,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:59,149 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 5 states. [2020-12-01 15:39:59,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:59,203 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2020-12-01 15:39:59,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:39:59,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-01 15:39:59,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:59,206 INFO L225 Difference]: With dead ends: 89 [2020-12-01 15:39:59,206 INFO L226 Difference]: Without dead ends: 50 [2020-12-01 15:39:59,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:59,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-12-01 15:39:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-12-01 15:39:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-01 15:39:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2020-12-01 15:39:59,214 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 9 [2020-12-01 15:39:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:59,214 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2020-12-01 15:39:59,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:39:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2020-12-01 15:39:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 15:39:59,215 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:59,215 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:59,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:39:59,439 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:39:59,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:59,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1759164880, now seen corresponding path program 2 times [2020-12-01 15:39:59,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:59,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197852715] [2020-12-01 15:39:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:59,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197852715] [2020-12-01 15:39:59,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010540675] [2020-12-01 15:39:59,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:39:59,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-01 15:39:59,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 15:39:59,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 15:39:59,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:39:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:39:59,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:39:59,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-01 15:39:59,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713629575] [2020-12-01 15:39:59,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:39:59,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:59,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:39:59,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:39:59,857 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 4 states. [2020-12-01 15:39:59,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:59,963 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2020-12-01 15:39:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:39:59,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-01 15:39:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:59,966 INFO L225 Difference]: With dead ends: 48 [2020-12-01 15:39:59,966 INFO L226 Difference]: Without dead ends: 40 [2020-12-01 15:39:59,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:39:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-01 15:39:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-01 15:39:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-01 15:39:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-12-01 15:39:59,987 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 12 [2020-12-01 15:39:59,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:59,987 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-12-01 15:39:59,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:39:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-12-01 15:39:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:39:59,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:59,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:00,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:40:00,190 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:00,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash -172633462, now seen corresponding path program 1 times [2020-12-01 15:40:00,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:00,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230577341] [2020-12-01 15:40:00,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:40:00,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230577341] [2020-12-01 15:40:00,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:00,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:40:00,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401066385] [2020-12-01 15:40:00,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:40:00,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:00,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:40:00,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:00,309 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 3 states. [2020-12-01 15:40:00,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:00,350 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2020-12-01 15:40:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:40:00,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-01 15:40:00,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:00,361 INFO L225 Difference]: With dead ends: 64 [2020-12-01 15:40:00,361 INFO L226 Difference]: Without dead ends: 43 [2020-12-01 15:40:00,364 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 [2020-12-01 15:40:00,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-01 15:40:00,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-01 15:40:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-01 15:40:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-12-01 15:40:00,376 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 22 [2020-12-01 15:40:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:00,378 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-12-01 15:40:00,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:40:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-12-01 15:40:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 15:40:00,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:00,380 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:00,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:40:00,381 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:00,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1845883481, now seen corresponding path program 1 times [2020-12-01 15:40:00,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:00,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511420679] [2020-12-01 15:40:00,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:40:00,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511420679] [2020-12-01 15:40:00,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:00,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:40:00,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996131274] [2020-12-01 15:40:00,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:40:00,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:00,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:40:00,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:00,529 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 3 states. [2020-12-01 15:40:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:00,576 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2020-12-01 15:40:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:40:00,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-01 15:40:00,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:00,579 INFO L225 Difference]: With dead ends: 67 [2020-12-01 15:40:00,579 INFO L226 Difference]: Without dead ends: 65 [2020-12-01 15:40:00,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:00,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-01 15:40:00,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 52. [2020-12-01 15:40:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-01 15:40:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2020-12-01 15:40:00,597 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 25 [2020-12-01 15:40:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:00,598 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2020-12-01 15:40:00,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:40:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-12-01 15:40:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 15:40:00,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:00,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:00,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:40:00,601 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:00,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1845883426, now seen corresponding path program 1 times [2020-12-01 15:40:00,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:00,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707034980] [2020-12-01 15:40:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:40:00,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707034980] [2020-12-01 15:40:00,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:00,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:40:00,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56134247] [2020-12-01 15:40:00,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:40:00,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:00,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:40:00,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:00,766 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 3 states. [2020-12-01 15:40:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:00,788 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2020-12-01 15:40:00,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:40:00,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-01 15:40:00,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:00,792 INFO L225 Difference]: With dead ends: 52 [2020-12-01 15:40:00,792 INFO L226 Difference]: Without dead ends: 51 [2020-12-01 15:40:00,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-01 15:40:00,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-01 15:40:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-01 15:40:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2020-12-01 15:40:00,808 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 25 [2020-12-01 15:40:00,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:00,809 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2020-12-01 15:40:00,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:40:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2020-12-01 15:40:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 15:40:00,810 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:00,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:00,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:40:00,811 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:00,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:00,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1387811266, now seen corresponding path program 1 times [2020-12-01 15:40:00,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:00,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523332008] [2020-12-01 15:40:00,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 15:40:00,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523332008] [2020-12-01 15:40:00,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458469858] [2020-12-01 15:40:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:01,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:40:01,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 15:40:01,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:01,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 7 [2020-12-01 15:40:01,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297037375] [2020-12-01 15:40:01,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-01 15:40:01,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:01,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-01 15:40:01,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:40:01,220 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 7 states. [2020-12-01 15:40:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:01,307 INFO L93 Difference]: Finished difference Result 108 states and 124 transitions. [2020-12-01 15:40:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 15:40:01,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-12-01 15:40:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:01,309 INFO L225 Difference]: With dead ends: 108 [2020-12-01 15:40:01,309 INFO L226 Difference]: Without dead ends: 66 [2020-12-01 15:40:01,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:40:01,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-01 15:40:01,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 49. [2020-12-01 15:40:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-01 15:40:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-01 15:40:01,317 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 26 [2020-12-01 15:40:01,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:01,318 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-01 15:40:01,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-01 15:40:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-01 15:40:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 15:40:01,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:01,319 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:01,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:40:01,537 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:01,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1627182508, now seen corresponding path program 1 times [2020-12-01 15:40:01,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:01,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402738451] [2020-12-01 15:40:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 15:40:01,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402738451] [2020-12-01 15:40:01,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:01,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:40:01,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776950177] [2020-12-01 15:40:01,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:40:01,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:01,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:40:01,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:01,633 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-12-01 15:40:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:01,656 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-12-01 15:40:01,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:40:01,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-01 15:40:01,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:01,660 INFO L225 Difference]: With dead ends: 54 [2020-12-01 15:40:01,660 INFO L226 Difference]: Without dead ends: 52 [2020-12-01 15:40:01,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-12-01 15:40:01,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-12-01 15:40:01,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-01 15:40:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2020-12-01 15:40:01,676 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 31 [2020-12-01 15:40:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:01,676 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2020-12-01 15:40:01,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:40:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2020-12-01 15:40:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 15:40:01,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:01,687 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-01 15:40:01,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:40:01,687 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:01,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:01,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1901645191, now seen corresponding path program 1 times [2020-12-01 15:40:01,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:01,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870965102] [2020-12-01 15:40:01,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 15:40:01,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870965102] [2020-12-01 15:40:01,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071548657] [2020-12-01 15:40:01,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:01,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 15:40:01,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 15:40:02,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:02,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6] total 8 [2020-12-01 15:40:02,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654148679] [2020-12-01 15:40:02,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-01 15:40:02,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:02,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 15:40:02,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:40:02,101 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand 8 states. [2020-12-01 15:40:02,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:02,175 INFO L93 Difference]: Finished difference Result 100 states and 114 transitions. [2020-12-01 15:40:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 15:40:02,176 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-12-01 15:40:02,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:02,178 INFO L225 Difference]: With dead ends: 100 [2020-12-01 15:40:02,178 INFO L226 Difference]: Without dead ends: 60 [2020-12-01 15:40:02,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:40:02,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-12-01 15:40:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-12-01 15:40:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-01 15:40:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2020-12-01 15:40:02,208 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 34 [2020-12-01 15:40:02,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:02,209 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2020-12-01 15:40:02,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-01 15:40:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2020-12-01 15:40:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 15:40:02,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:02,211 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:02,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-01 15:40:02,426 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:02,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:02,427 INFO L82 PathProgramCache]: Analyzing trace with hash 71284786, now seen corresponding path program 1 times [2020-12-01 15:40:02,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:02,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145810125] [2020-12-01 15:40:02,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 15:40:02,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145810125] [2020-12-01 15:40:02,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683090015] [2020-12-01 15:40:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:02,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 15:40:02,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 15:40:02,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:02,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2020-12-01 15:40:02,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665974995] [2020-12-01 15:40:02,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-01 15:40:02,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:02,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-01 15:40:02,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:40:02,896 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 9 states. [2020-12-01 15:40:02,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:02,984 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2020-12-01 15:40:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-01 15:40:02,985 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-12-01 15:40:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:02,986 INFO L225 Difference]: With dead ends: 114 [2020-12-01 15:40:02,987 INFO L226 Difference]: Without dead ends: 72 [2020-12-01 15:40:02,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:40:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-01 15:40:02,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2020-12-01 15:40:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-01 15:40:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2020-12-01 15:40:02,998 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 38 [2020-12-01 15:40:02,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:02,999 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2020-12-01 15:40:02,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-01 15:40:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2020-12-01 15:40:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 15:40:03,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:03,004 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:03,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:40:03,231 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:03,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:03,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1472783081, now seen corresponding path program 1 times [2020-12-01 15:40:03,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:03,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539440488] [2020-12-01 15:40:03,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 15:40:03,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539440488] [2020-12-01 15:40:03,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090105654] [2020-12-01 15:40:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:03,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 15:40:03,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 15:40:03,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:03,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8] total 10 [2020-12-01 15:40:03,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941546629] [2020-12-01 15:40:03,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 15:40:03,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:03,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 15:40:03,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-01 15:40:03,632 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 10 states. [2020-12-01 15:40:03,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:03,735 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2020-12-01 15:40:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-01 15:40:03,735 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-12-01 15:40:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:03,739 INFO L225 Difference]: With dead ends: 118 [2020-12-01 15:40:03,740 INFO L226 Difference]: Without dead ends: 70 [2020-12-01 15:40:03,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-01 15:40:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-12-01 15:40:03,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-12-01 15:40:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-01 15:40:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2020-12-01 15:40:03,757 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 41 [2020-12-01 15:40:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:03,757 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2020-12-01 15:40:03,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 15:40:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2020-12-01 15:40:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 15:40:03,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:03,760 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:03,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:40:03,974 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:03,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:03,975 INFO L82 PathProgramCache]: Analyzing trace with hash 312315462, now seen corresponding path program 2 times [2020-12-01 15:40:03,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:03,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853810656] [2020-12-01 15:40:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-12-01 15:40:04,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853810656] [2020-12-01 15:40:04,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549669676] [2020-12-01 15:40:04,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:04,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-01 15:40:04,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 15:40:04,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:40:04,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-12-01 15:40:04,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:04,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-12-01 15:40:04,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631611177] [2020-12-01 15:40:04,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:40:04,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:04,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:40:04,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:40:04,368 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand 4 states. [2020-12-01 15:40:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:04,448 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2020-12-01 15:40:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:40:04,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2020-12-01 15:40:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:04,450 INFO L225 Difference]: With dead ends: 68 [2020-12-01 15:40:04,450 INFO L226 Difference]: Without dead ends: 53 [2020-12-01 15:40:04,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:40:04,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-01 15:40:04,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-01 15:40:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-01 15:40:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2020-12-01 15:40:04,455 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 46 [2020-12-01 15:40:04,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:04,455 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2020-12-01 15:40:04,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:40:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2020-12-01 15:40:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 15:40:04,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:04,456 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:04,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-01 15:40:04,657 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:04,657 INFO L82 PathProgramCache]: Analyzing trace with hash -889966142, now seen corresponding path program 2 times [2020-12-01 15:40:04,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:04,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333386711] [2020-12-01 15:40:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 15:40:04,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333386711] [2020-12-01 15:40:04,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347253063] [2020-12-01 15:40:04,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:04,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-01 15:40:04,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 15:40:04,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:40:04,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-01 15:40:05,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:05,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2020-12-01 15:40:05,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657578712] [2020-12-01 15:40:05,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:40:05,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:05,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:40:05,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:40:05,091 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 6 states. [2020-12-01 15:40:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:05,218 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2020-12-01 15:40:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:40:05,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-12-01 15:40:05,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:05,222 INFO L225 Difference]: With dead ends: 64 [2020-12-01 15:40:05,222 INFO L226 Difference]: Without dead ends: 63 [2020-12-01 15:40:05,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:40:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-01 15:40:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2020-12-01 15:40:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-01 15:40:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2020-12-01 15:40:05,231 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 50 [2020-12-01 15:40:05,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:05,231 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2020-12-01 15:40:05,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:40:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-12-01 15:40:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 15:40:05,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:05,232 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:05,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-01 15:40:05,466 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:40:05,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:05,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1819146527, now seen corresponding path program 1 times [2020-12-01 15:40:05,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:05,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130910903] [2020-12-01 15:40:05,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 15:40:05,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130910903] [2020-12-01 15:40:05,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546760981] [2020-12-01 15:40:05,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/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 [2020-12-01 15:40:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:05,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:40:05,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 15:40:05,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:40:05,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 9] total 11 [2020-12-01 15:40:05,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723638336] [2020-12-01 15:40:05,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-01 15:40:05,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:05,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-01 15:40:05,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-01 15:40:05,982 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 11 states. [2020-12-01 15:40:06,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:06,166 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2020-12-01 15:40:06,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-01 15:40:06,167 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 51 [2020-12-01 15:40:06,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:06,167 INFO L225 Difference]: With dead ends: 87 [2020-12-01 15:40:06,167 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:40:06,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-01 15:40:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:40:06,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:40:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:40:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:40:06,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-12-01 15:40:06,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:06,169 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:40:06,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-01 15:40:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:40:06,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:40:06,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-01 15:40:06,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:40:06,706 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-12-01 15:40:06,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2020-12-01 15:40:06,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,919 INFO L262 CegarLoopResult]: For program point L1894-2(lines 1894 1895) no Hoare annotation was computed. [2020-12-01 15:40:06,920 INFO L262 CegarLoopResult]: For program point L1894-3(line 1894) no Hoare annotation was computed. [2020-12-01 15:40:06,920 INFO L258 CegarLoopResult]: At program point L1894-4(lines 1894 1895) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~j~0 0)) (.cse2 (= ULTIMATE.start_main_~i~4 0)) (.cse0 (<= ULTIMATE.start_main_~argc~0 10000)) (.cse1 (<= 1 ULTIMATE.start_main_~i~3)) (.cse8 (<= 1 ULTIMATE.start_main_~j~0)) (.cse7 (< ULTIMATE.start_main_~i~4 268435454)) (.cse6 (<= 1 ULTIMATE.start_main_~i~4)) (.cse4 (<= 1 ULTIMATE.start_main_~argc~0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse7 .cse6 .cse4 .cse5))) [2020-12-01 15:40:06,921 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2020-12-01 15:40:06,921 INFO L262 CegarLoopResult]: For program point L1886(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,921 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:40:06,921 INFO L262 CegarLoopResult]: For program point L1886-1(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,921 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:40:06,922 INFO L262 CegarLoopResult]: For program point L1886-2(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,922 INFO L265 CegarLoopResult]: At program point L1903(lines 1875 1904) the Hoare annotation is: true [2020-12-01 15:40:06,922 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,922 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2020-12-01 15:40:06,922 INFO L262 CegarLoopResult]: For program point L1887(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,923 INFO L262 CegarLoopResult]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,923 INFO L262 CegarLoopResult]: For program point L1887-2(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,923 INFO L262 CegarLoopResult]: For program point L1887-3(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,923 INFO L262 CegarLoopResult]: For program point L1879-2(lines 1879 1880) no Hoare annotation was computed. [2020-12-01 15:40:06,923 INFO L262 CegarLoopResult]: For program point L1879-3(line 1879) no Hoare annotation was computed. [2020-12-01 15:40:06,924 INFO L258 CegarLoopResult]: At program point L1879-4(lines 1879 1880) the Hoare annotation is: (or (<= 1 ULTIMATE.start_main_~i~3) (= ULTIMATE.start_main_~i~3 0)) [2020-12-01 15:40:06,924 INFO L262 CegarLoopResult]: For program point L1879-5(lines 1879 1880) no Hoare annotation was computed. [2020-12-01 15:40:06,924 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,924 INFO L258 CegarLoopResult]: At program point L1789(lines 1780 1790) the Hoare annotation is: (and (<= ULTIMATE.start_main_~argc~0 10000) (<= 1 ULTIMATE.start_main_~i~3) (<= 1 ULTIMATE.start_main_~argc~0) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2020-12-01 15:40:06,925 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2020-12-01 15:40:06,925 INFO L262 CegarLoopResult]: For program point L1889-2(lines 1889 1896) no Hoare annotation was computed. [2020-12-01 15:40:06,925 INFO L262 CegarLoopResult]: For program point L1889-3(line 1889) no Hoare annotation was computed. [2020-12-01 15:40:06,925 INFO L258 CegarLoopResult]: At program point L1889-4(lines 1889 1896) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~argc~0 10000)) (.cse1 (<= 1 ULTIMATE.start_main_~i~3)) (.cse2 (<= 1 ULTIMATE.start_main_~argc~0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 .cse1 (<= 1 ULTIMATE.start_main_~j~0) (<= 1 ULTIMATE.start_main_~i~4) .cse2 .cse3) (and .cse0 .cse1 (= ULTIMATE.start_main_~i~4 0) .cse2 .cse3))) [2020-12-01 15:40:06,926 INFO L262 CegarLoopResult]: For program point L1889-5(lines 1889 1896) no Hoare annotation was computed. [2020-12-01 15:40:06,926 INFO L262 CegarLoopResult]: For program point L1782(lines 1782 1783) no Hoare annotation was computed. [2020-12-01 15:40:06,926 INFO L262 CegarLoopResult]: For program point L1782-1(lines 1782 1783) no Hoare annotation was computed. [2020-12-01 15:40:06,926 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2020-12-01 15:40:06,926 INFO L262 CegarLoopResult]: For program point L1898-2(lines 1898 1899) no Hoare annotation was computed. [2020-12-01 15:40:06,927 INFO L262 CegarLoopResult]: For program point L1898-3(line 1898) no Hoare annotation was computed. [2020-12-01 15:40:06,927 INFO L258 CegarLoopResult]: At program point L1898-4(lines 1898 1899) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~argc~0 10000)) (.cse1 (<= 1 ULTIMATE.start_main_~i~3)) (.cse2 (<= 1 ULTIMATE.start_main_~argc~0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~i~5 0) .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start_main_~i~5) .cse2 .cse3))) [2020-12-01 15:40:06,927 INFO L262 CegarLoopResult]: For program point L1898-5(lines 1898 1899) no Hoare annotation was computed. [2020-12-01 15:40:06,927 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:40:06,927 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,928 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2020-12-01 15:40:06,928 INFO L258 CegarLoopResult]: At program point L1775(lines 1771 1776) the Hoare annotation is: (and (<= ULTIMATE.start_main_~argc~0 10000) (<= 1 ULTIMATE.start_main_~i~3) (<= 1 ULTIMATE.start_main_~argc~0) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2020-12-01 15:40:06,928 INFO L262 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-12-01 15:40:06,928 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:40:06,929 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,929 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2020-12-01 15:40:06,929 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-01 15:40:06,929 INFO L258 CegarLoopResult]: At program point L1793(lines 1791 1794) the Hoare annotation is: (and (<= ULTIMATE.start_main_~argc~0 10000) (<= 1 ULTIMATE.start_main_~i~3) (<= 1 ULTIMATE.start_main_~argc~0) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2020-12-01 15:40:06,930 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2020-12-01 15:40:06,930 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2020-12-01 15:40:06,930 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2020-12-01 15:40:06,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:40:06 BoogieIcfgContainer [2020-12-01 15:40:06,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:40:06,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:40:06,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:40:06,960 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:40:06,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:39:56" (3/4) ... [2020-12-01 15:40:06,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:40:06,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 15:40:06,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 15:40:06,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 15:40:06,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:40:07,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c11a43f4-b9e0-4b80-8c87-599468eb020b/bin/uautomizer/witness.graphml [2020-12-01 15:40:07,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:40:07,083 INFO L168 Benchmark]: Toolchain (without parser) took 13557.84 ms. Allocated memory was 92.3 MB in the beginning and 201.3 MB in the end (delta: 109.1 MB). Free memory was 62.4 MB in the beginning and 94.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,084 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 92.3 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:40:07,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2104.84 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 62.1 MB in the beginning and 95.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.60 ms. Allocated memory is still 130.0 MB. Free memory was 95.9 MB in the beginning and 92.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,086 INFO L168 Benchmark]: Boogie Preprocessor took 110.64 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 89.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,087 INFO L168 Benchmark]: RCFGBuilder took 1046.63 ms. Allocated memory is still 130.0 MB. Free memory was 89.3 MB in the beginning and 48.7 MB in the end (delta: 40.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,088 INFO L168 Benchmark]: TraceAbstraction took 9989.21 ms. Allocated memory was 130.0 MB in the beginning and 201.3 MB in the end (delta: 71.3 MB). Free memory was 47.6 MB in the beginning and 98.4 MB in the end (delta: -50.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,088 INFO L168 Benchmark]: Witness Printer took 121.95 ms. Allocated memory is still 201.3 MB. Free memory was 98.4 MB in the beginning and 94.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:07,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 92.3 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2104.84 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 62.1 MB in the beginning and 95.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.60 ms. Allocated memory is still 130.0 MB. Free memory was 95.9 MB in the beginning and 92.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.64 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 89.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1046.63 ms. Allocated memory is still 130.0 MB. Free memory was 89.3 MB in the beginning and 48.7 MB in the end (delta: 40.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9989.21 ms. Allocated memory was 130.0 MB in the beginning and 201.3 MB in the end (delta: 71.3 MB). Free memory was 47.6 MB in the beginning and 98.4 MB in the end (delta: -50.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 121.95 ms. Allocated memory is still 201.3 MB. Free memory was 98.4 MB in the beginning and 94.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 1879]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 1894]: Loop Invariant Derived loop invariant: (((((((argc <= 10000 && 1 <= i) && i == 0) && j == 0) && 1 <= argc) && cond == 1) || ((((((argc <= 10000 && 1 <= i) && 1 <= i) && i < 268435454) && j == 0) && 1 <= argc) && cond == 1)) || (((((argc <= 10000 && 1 <= i) && 1 <= j) && i == 0) && 1 <= argc) && cond == 1)) || ((((((argc <= 10000 && 1 <= i) && 1 <= j) && i < 268435454) && 1 <= i) && 1 <= argc) && cond == 1) - InvariantResult [Line: 1780]: Loop Invariant Derived loop invariant: ((argc <= 10000 && 1 <= i) && 1 <= argc) && cond == 1 - InvariantResult [Line: 1889]: Loop Invariant Derived loop invariant: (((((argc <= 10000 && 1 <= i) && 1 <= j) && 1 <= i) && 1 <= argc) && cond == 1) || ((((argc <= 10000 && 1 <= i) && i == 0) && 1 <= argc) && cond == 1) - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: ((((argc <= 10000 && 1 <= i) && 1 <= argc) && i == 0) && cond == 1) || ((((argc <= 10000 && 1 <= i) && 1 <= i) && 1 <= argc) && cond == 1) - InvariantResult [Line: 1791]: Loop Invariant Derived loop invariant: ((argc <= 10000 && 1 <= i) && 1 <= argc) && cond == 1 - InvariantResult [Line: 1771]: Loop Invariant Derived loop invariant: ((argc <= 10000 && 1 <= i) && 1 <= argc) && cond == 1 - InvariantResult [Line: 1875]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.3s, OverallIterations: 16, TraceHistogramMax: 6, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 550 SDtfs, 272 SDslu, 900 SDs, 0 SdLazy, 422 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 56 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 30 NumberOfFragments, 199 HoareAnnotationTreeSize, 8 FomulaSimplifications, 527 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 143 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 744 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 718 ConstructedInterpolants, 0 QuantifiedInterpolants, 45433 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1738 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 26 InterpolantComputations, 8 PerfectInterpolantSequences, 467/672 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...