./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa --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 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:07:38,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:07:38,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:07:38,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:07:38,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:07:38,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:07:38,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:07:38,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:07:38,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:07:38,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:07:38,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:07:38,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:07:38,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:07:38,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:07:38,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:07:38,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:07:38,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:07:38,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:07:38,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:07:38,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:07:38,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:07:38,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:07:38,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:07:38,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:07:38,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:07:38,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:07:38,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:07:38,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:07:38,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:07:38,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:07:38,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:07:38,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:07:38,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:07:38,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:07:38,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:07:38,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:07:38,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:07:38,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:07:38,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:07:38,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:07:38,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:07:38,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-06 20:07:38,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:07:38,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:07:38,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:07:38,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:07:38,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:07:38,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:07:38,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:07:38,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:07:38,131 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:07:38,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:07:38,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:07:38,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:07:38,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:07:38,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:07:38,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:07:38,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:07:38,133 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-06 20:07:38,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:07:38,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:07:38,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:07:38,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:07:38,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:07:38,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:07:38,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:07:38,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:07:38,135 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_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a [2021-12-06 20:07:38,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:07:38,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:07:38,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:07:38,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:07:38,343 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:07:38,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2021-12-06 20:07:38,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/data/7f9200a50/9480bed0c7c24df6ba5b54412557ad82/FLAGd4f3b746f [2021-12-06 20:07:38,748 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:07:38,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2021-12-06 20:07:38,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/data/7f9200a50/9480bed0c7c24df6ba5b54412557ad82/FLAGd4f3b746f [2021-12-06 20:07:38,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/data/7f9200a50/9480bed0c7c24df6ba5b54412557ad82 [2021-12-06 20:07:38,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:07:38,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:07:38,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:07:38,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:07:38,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:07:38,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff3543d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38, skipping insertion in model container [2021-12-06 20:07:38,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:07:38,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:07:38,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:07:38,902 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:07:38,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:07:38,923 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:07:38,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38 WrapperNode [2021-12-06 20:07:38,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:07:38,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:07:38,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:07:38,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:07:38,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,950 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-12-06 20:07:38,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:07:38,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:07:38,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:07:38,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:07:38,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:07:38,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:07:38,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:07:38,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:07:38,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (1/1) ... [2021-12-06 20:07:38,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:07:38,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:38,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:07:38,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:07:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:07:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:07:39,102 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:07:39,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:07:39,197 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:07:39,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:07:39,205 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:07:39,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:07:39 BoogieIcfgContainer [2021-12-06 20:07:39,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:07:39,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:07:39,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:07:39,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:07:39,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:07:38" (1/3) ... [2021-12-06 20:07:39,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53dd176a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:07:39, skipping insertion in model container [2021-12-06 20:07:39,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:07:38" (2/3) ... [2021-12-06 20:07:39,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53dd176a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:07:39, skipping insertion in model container [2021-12-06 20:07:39,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:07:39" (3/3) ... [2021-12-06 20:07:39,218 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2021-12-06 20:07:39,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:07:39,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-12-06 20:07:39,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:07:39,281 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:07:39,282 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-12-06 20:07:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-06 20:07:39,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:39,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-06 20:07:39,303 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2021-12-06 20:07:39,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:39,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142351599] [2021-12-06 20:07:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:39,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:39,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:39,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142351599] [2021-12-06 20:07:39,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142351599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:07:39,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:07:39,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:07:39,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802415146] [2021-12-06 20:07:39,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:07:39,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:07:39,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:39,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:07:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:07:39,466 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:39,501 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2021-12-06 20:07:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:07:39,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-12-06 20:07:39,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:39,512 INFO L225 Difference]: With dead ends: 44 [2021-12-06 20:07:39,512 INFO L226 Difference]: Without dead ends: 31 [2021-12-06 20:07:39,515 INFO L932 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 [2021-12-06 20:07:39,519 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:39,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 62 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-06 20:07:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-12-06 20:07:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.75) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-12-06 20:07:39,553 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 4 [2021-12-06 20:07:39,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:39,554 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-12-06 20:07:39,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-12-06 20:07:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 20:07:39,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:39,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 20:07:39,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:07:39,555 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2021-12-06 20:07:39,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:39,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030457107] [2021-12-06 20:07:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:39,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:39,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:39,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030457107] [2021-12-06 20:07:39,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030457107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:07:39,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:07:39,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:07:39,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677166647] [2021-12-06 20:07:39,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:07:39,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:07:39,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:07:39,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:07:39,584 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:39,593 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2021-12-06 20:07:39,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:07:39,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-12-06 20:07:39,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:39,594 INFO L225 Difference]: With dead ends: 30 [2021-12-06 20:07:39,594 INFO L226 Difference]: Without dead ends: 29 [2021-12-06 20:07:39,594 INFO L932 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 [2021-12-06 20:07:39,595 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 27 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:39,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:39,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-12-06 20:07:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-12-06 20:07:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2021-12-06 20:07:39,600 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 5 [2021-12-06 20:07:39,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:39,600 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-06 20:07:39,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-12-06 20:07:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-06 20:07:39,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:39,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:39,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:07:39,601 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:39,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash 294944169, now seen corresponding path program 1 times [2021-12-06 20:07:39,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:39,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217565693] [2021-12-06 20:07:39,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:39,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:39,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:39,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217565693] [2021-12-06 20:07:39,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217565693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:07:39,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:07:39,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:07:39,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128154006] [2021-12-06 20:07:39,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:07:39,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:07:39,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:39,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:07:39,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:07:39,631 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:39,652 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2021-12-06 20:07:39,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:07:39,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-12-06 20:07:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:39,654 INFO L225 Difference]: With dead ends: 52 [2021-12-06 20:07:39,654 INFO L226 Difference]: Without dead ends: 50 [2021-12-06 20:07:39,654 INFO L932 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 [2021-12-06 20:07:39,655 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 21 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:39,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-12-06 20:07:39,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2021-12-06 20:07:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.7142857142857142) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-12-06 20:07:39,662 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 8 [2021-12-06 20:07:39,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:39,662 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-12-06 20:07:39,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2021-12-06 20:07:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-06 20:07:39,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:39,663 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:39,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:07:39,663 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:39,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:39,664 INFO L85 PathProgramCache]: Analyzing trace with hash 294981328, now seen corresponding path program 1 times [2021-12-06 20:07:39,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:39,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153145252] [2021-12-06 20:07:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:39,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:39,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:39,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153145252] [2021-12-06 20:07:39,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153145252] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:39,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145086308] [2021-12-06 20:07:39,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:39,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:39,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:39,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:39,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:07:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:39,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:07:39,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:39,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:39,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145086308] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:39,785 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:39,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:07:39,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932361107] [2021-12-06 20:07:39,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:39,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:07:39,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:39,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:07:39,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:39,786 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:39,819 INFO L93 Difference]: Finished difference Result 147 states and 203 transitions. [2021-12-06 20:07:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:07:39,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-12-06 20:07:39,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:39,821 INFO L225 Difference]: With dead ends: 147 [2021-12-06 20:07:39,821 INFO L226 Difference]: Without dead ends: 146 [2021-12-06 20:07:39,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:39,822 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 104 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:39,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 136 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-12-06 20:07:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 124. [2021-12-06 20:07:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 115 states have (on average 1.7130434782608697) internal successors, (197), 123 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 197 transitions. [2021-12-06 20:07:39,847 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 197 transitions. Word has length 8 [2021-12-06 20:07:39,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:39,847 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 197 transitions. [2021-12-06 20:07:39,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:39,848 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 197 transitions. [2021-12-06 20:07:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 20:07:39,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:39,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:39,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:07:40,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:40,050 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:40,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:40,053 INFO L85 PathProgramCache]: Analyzing trace with hash 553334702, now seen corresponding path program 1 times [2021-12-06 20:07:40,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:40,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830994433] [2021-12-06 20:07:40,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:40,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830994433] [2021-12-06 20:07:40,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830994433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:07:40,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:07:40,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:07:40,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882316593] [2021-12-06 20:07:40,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:07:40,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:07:40,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:40,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:07:40,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:07:40,163 INFO L87 Difference]: Start difference. First operand 124 states and 197 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:40,218 INFO L93 Difference]: Finished difference Result 213 states and 338 transitions. [2021-12-06 20:07:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:07:40,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 20:07:40,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:40,221 INFO L225 Difference]: With dead ends: 213 [2021-12-06 20:07:40,222 INFO L226 Difference]: Without dead ends: 211 [2021-12-06 20:07:40,222 INFO L932 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 [2021-12-06 20:07:40,224 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 20 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:40,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-12-06 20:07:40,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 206. [2021-12-06 20:07:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 197 states have (on average 1.6598984771573604) internal successors, (327), 205 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 327 transitions. [2021-12-06 20:07:40,246 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 327 transitions. Word has length 9 [2021-12-06 20:07:40,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:40,246 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 327 transitions. [2021-12-06 20:07:40,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 327 transitions. [2021-12-06 20:07:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 20:07:40,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:40,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:40,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:07:40,248 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash -26301678, now seen corresponding path program 1 times [2021-12-06 20:07:40,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:40,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899018081] [2021-12-06 20:07:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:40,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899018081] [2021-12-06 20:07:40,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899018081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:07:40,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:07:40,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:07:40,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947947728] [2021-12-06 20:07:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:07:40,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:07:40,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:40,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:07:40,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:07:40,272 INFO L87 Difference]: Start difference. First operand 206 states and 327 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:40,295 INFO L93 Difference]: Finished difference Result 346 states and 547 transitions. [2021-12-06 20:07:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:07:40,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 20:07:40,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:40,298 INFO L225 Difference]: With dead ends: 346 [2021-12-06 20:07:40,298 INFO L226 Difference]: Without dead ends: 344 [2021-12-06 20:07:40,298 INFO L932 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 [2021-12-06 20:07:40,299 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:40,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-12-06 20:07:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 331. [2021-12-06 20:07:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 322 states have (on average 1.5745341614906831) internal successors, (507), 330 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 507 transitions. [2021-12-06 20:07:40,316 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 507 transitions. Word has length 10 [2021-12-06 20:07:40,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:40,316 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 507 transitions. [2021-12-06 20:07:40,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 507 transitions. [2021-12-06 20:07:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 20:07:40,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:40,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:40,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:07:40,317 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:40,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash -815351945, now seen corresponding path program 1 times [2021-12-06 20:07:40,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:40,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502725853] [2021-12-06 20:07:40,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:40,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502725853] [2021-12-06 20:07:40,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502725853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:07:40,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:07:40,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:07:40,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831779628] [2021-12-06 20:07:40,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:07:40,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:07:40,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:40,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:07:40,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:07:40,336 INFO L87 Difference]: Start difference. First operand 331 states and 507 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:40,357 INFO L93 Difference]: Finished difference Result 550 states and 841 transitions. [2021-12-06 20:07:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:07:40,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-06 20:07:40,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:40,361 INFO L225 Difference]: With dead ends: 550 [2021-12-06 20:07:40,361 INFO L226 Difference]: Without dead ends: 548 [2021-12-06 20:07:40,361 INFO L932 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 [2021-12-06 20:07:40,362 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:40,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:40,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-12-06 20:07:40,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 543. [2021-12-06 20:07:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 534 states have (on average 1.5149812734082397) internal successors, (809), 542 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 809 transitions. [2021-12-06 20:07:40,378 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 809 transitions. Word has length 11 [2021-12-06 20:07:40,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:40,378 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 809 transitions. [2021-12-06 20:07:40,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 809 transitions. [2021-12-06 20:07:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 20:07:40,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:40,379 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-12-06 20:07:40,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:07:40,379 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:40,380 INFO L85 PathProgramCache]: Analyzing trace with hash -329510763, now seen corresponding path program 1 times [2021-12-06 20:07:40,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:40,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091480420] [2021-12-06 20:07:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:40,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091480420] [2021-12-06 20:07:40,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091480420] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:40,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952212402] [2021-12-06 20:07:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:40,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:40,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:40,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:07:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:07:40,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952212402] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:40,484 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:40,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:07:40,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953399898] [2021-12-06 20:07:40,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:40,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:07:40,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:40,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:07:40,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:40,486 INFO L87 Difference]: Start difference. First operand 543 states and 809 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:40,535 INFO L93 Difference]: Finished difference Result 1047 states and 1608 transitions. [2021-12-06 20:07:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:07:40,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-06 20:07:40,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:40,540 INFO L225 Difference]: With dead ends: 1047 [2021-12-06 20:07:40,540 INFO L226 Difference]: Without dead ends: 1045 [2021-12-06 20:07:40,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:40,541 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 118 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:40,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-12-06 20:07:40,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 904. [2021-12-06 20:07:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 895 states have (on average 1.5273743016759778) internal successors, (1367), 903 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1367 transitions. [2021-12-06 20:07:40,570 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1367 transitions. Word has length 15 [2021-12-06 20:07:40,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:40,571 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 1367 transitions. [2021-12-06 20:07:40,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1367 transitions. [2021-12-06 20:07:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 20:07:40,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:40,572 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:40,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:07:40,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:40,774 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:40,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:40,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1722862724, now seen corresponding path program 1 times [2021-12-06 20:07:40,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:40,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653775770] [2021-12-06 20:07:40,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:40,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653775770] [2021-12-06 20:07:40,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653775770] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:40,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793493300] [2021-12-06 20:07:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:40,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:40,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:40,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:07:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:40,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:07:40,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:40,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:41,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793493300] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:41,020 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:41,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:07:41,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413454510] [2021-12-06 20:07:41,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:41,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:07:41,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:41,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:07:41,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:41,022 INFO L87 Difference]: Start difference. First operand 904 states and 1367 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:41,059 INFO L93 Difference]: Finished difference Result 1365 states and 2106 transitions. [2021-12-06 20:07:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:07:41,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-06 20:07:41,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:41,065 INFO L225 Difference]: With dead ends: 1365 [2021-12-06 20:07:41,065 INFO L226 Difference]: Without dead ends: 1363 [2021-12-06 20:07:41,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:41,067 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 84 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:41,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 71 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2021-12-06 20:07:41,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1061. [2021-12-06 20:07:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1053 states have (on average 1.5175688509021843) internal successors, (1598), 1060 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1598 transitions. [2021-12-06 20:07:41,093 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1598 transitions. Word has length 17 [2021-12-06 20:07:41,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:41,093 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 1598 transitions. [2021-12-06 20:07:41,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1598 transitions. [2021-12-06 20:07:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 20:07:41,094 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:41,094 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-12-06 20:07:41,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:07:41,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:41,296 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:41,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:41,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1244341817, now seen corresponding path program 1 times [2021-12-06 20:07:41,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:41,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637896034] [2021-12-06 20:07:41,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:41,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:41,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:41,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637896034] [2021-12-06 20:07:41,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637896034] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:41,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311856060] [2021-12-06 20:07:41,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:41,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:41,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:41,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:07:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:41,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:07:41,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:41,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:41,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311856060] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:41,545 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:41,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:07:41,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200828903] [2021-12-06 20:07:41,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:41,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:07:41,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:41,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:07:41,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:41,546 INFO L87 Difference]: Start difference. First operand 1061 states and 1598 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:41,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:41,609 INFO L93 Difference]: Finished difference Result 2462 states and 3872 transitions. [2021-12-06 20:07:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:07:41,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-06 20:07:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:41,625 INFO L225 Difference]: With dead ends: 2462 [2021-12-06 20:07:41,625 INFO L226 Difference]: Without dead ends: 2460 [2021-12-06 20:07:41,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:41,627 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 121 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:41,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 111 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:41,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2021-12-06 20:07:41,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2130. [2021-12-06 20:07:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2122 states have (on average 1.5221489161168709) internal successors, (3230), 2129 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 3230 transitions. [2021-12-06 20:07:41,676 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 3230 transitions. Word has length 19 [2021-12-06 20:07:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:41,676 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 3230 transitions. [2021-12-06 20:07:41,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 3230 transitions. [2021-12-06 20:07:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 20:07:41,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:41,677 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1] [2021-12-06 20:07:41,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:07:41,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 20:07:41,878 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:41,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:41,878 INFO L85 PathProgramCache]: Analyzing trace with hash -816359916, now seen corresponding path program 2 times [2021-12-06 20:07:41,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:41,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534884730] [2021-12-06 20:07:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:41,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:07:41,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:41,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534884730] [2021-12-06 20:07:41,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534884730] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:41,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420681958] [2021-12-06 20:07:41,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:07:41,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:41,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:41,901 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:41,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 20:07:41,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:07:41,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:07:41,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:07:41,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:07:41,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:07:41,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420681958] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:41,989 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:41,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:07:41,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164501351] [2021-12-06 20:07:41,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:41,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:07:41,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:07:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:41,990 INFO L87 Difference]: Start difference. First operand 2130 states and 3230 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:42,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:42,025 INFO L93 Difference]: Finished difference Result 2130 states and 3230 transitions. [2021-12-06 20:07:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:07:42,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-06 20:07:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:42,034 INFO L225 Difference]: With dead ends: 2130 [2021-12-06 20:07:42,034 INFO L226 Difference]: Without dead ends: 2129 [2021-12-06 20:07:42,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:07:42,036 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 51 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:42,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 55 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2021-12-06 20:07:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1799. [2021-12-06 20:07:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1792 states have (on average 1.4871651785714286) internal successors, (2665), 1798 states have internal predecessors, (2665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2665 transitions. [2021-12-06 20:07:42,076 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2665 transitions. Word has length 20 [2021-12-06 20:07:42,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:42,077 INFO L470 AbstractCegarLoop]: Abstraction has 1799 states and 2665 transitions. [2021-12-06 20:07:42,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2665 transitions. [2021-12-06 20:07:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-06 20:07:42,077 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:42,077 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:07:42,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 20:07:42,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 20:07:42,278 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash -333612156, now seen corresponding path program 1 times [2021-12-06 20:07:42,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:42,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906615403] [2021-12-06 20:07:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:42,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:42,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:42,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906615403] [2021-12-06 20:07:42,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906615403] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:42,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898787914] [2021-12-06 20:07:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:42,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:42,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:42,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:42,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 20:07:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:42,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:07:42,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:42,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:42,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898787914] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:42,387 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:42,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-12-06 20:07:42,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828314972] [2021-12-06 20:07:42,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:42,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:07:42,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:42,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:07:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:42,388 INFO L87 Difference]: Start difference. First operand 1799 states and 2665 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:42,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:42,429 INFO L93 Difference]: Finished difference Result 3111 states and 4689 transitions. [2021-12-06 20:07:42,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:07:42,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-12-06 20:07:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:42,442 INFO L225 Difference]: With dead ends: 3111 [2021-12-06 20:07:42,442 INFO L226 Difference]: Without dead ends: 3109 [2021-12-06 20:07:42,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:07:42,445 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 96 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:42,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 64 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:42,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-12-06 20:07:42,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2296. [2021-12-06 20:07:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2290 states have (on average 1.459825327510917) internal successors, (3343), 2295 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3343 transitions. [2021-12-06 20:07:42,491 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3343 transitions. Word has length 21 [2021-12-06 20:07:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:42,491 INFO L470 AbstractCegarLoop]: Abstraction has 2296 states and 3343 transitions. [2021-12-06 20:07:42,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3343 transitions. [2021-12-06 20:07:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 20:07:42,492 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:42,492 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2021-12-06 20:07:42,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 20:07:42,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 20:07:42,694 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:42,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:42,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1881216384, now seen corresponding path program 1 times [2021-12-06 20:07:42,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:42,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796670541] [2021-12-06 20:07:42,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:42,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:42,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:42,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796670541] [2021-12-06 20:07:42,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796670541] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:42,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874032041] [2021-12-06 20:07:42,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:42,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:42,815 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:42,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 20:07:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:42,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:07:42,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:42,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:43,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874032041] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:43,023 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:43,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 20:07:43,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460860119] [2021-12-06 20:07:43,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:43,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:07:43,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:43,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:07:43,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:07:43,025 INFO L87 Difference]: Start difference. First operand 2296 states and 3343 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:43,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:43,129 INFO L93 Difference]: Finished difference Result 6601 states and 9698 transitions. [2021-12-06 20:07:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:07:43,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-12-06 20:07:43,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:43,154 INFO L225 Difference]: With dead ends: 6601 [2021-12-06 20:07:43,154 INFO L226 Difference]: Without dead ends: 6600 [2021-12-06 20:07:43,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:07:43,159 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 173 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:43,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:43,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6600 states. [2021-12-06 20:07:43,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6600 to 5401. [2021-12-06 20:07:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5401 states, 5395 states have (on average 1.4556070435588508) internal successors, (7853), 5400 states have internal predecessors, (7853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 5401 states and 7853 transitions. [2021-12-06 20:07:43,279 INFO L78 Accepts]: Start accepts. Automaton has 5401 states and 7853 transitions. Word has length 26 [2021-12-06 20:07:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:43,279 INFO L470 AbstractCegarLoop]: Abstraction has 5401 states and 7853 transitions. [2021-12-06 20:07:43,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5401 states and 7853 transitions. [2021-12-06 20:07:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 20:07:43,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:43,280 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2021-12-06 20:07:43,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 20:07:43,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 20:07:43,481 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:43,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash -205460357, now seen corresponding path program 1 times [2021-12-06 20:07:43,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:43,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636657178] [2021-12-06 20:07:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:43,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:43,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:43,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636657178] [2021-12-06 20:07:43,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636657178] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:43,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959270809] [2021-12-06 20:07:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:43,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:43,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:43,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 20:07:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:43,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:07:43,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:43,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:43,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959270809] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:43,654 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:43,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 20:07:43,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414474613] [2021-12-06 20:07:43,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:43,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:07:43,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:43,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:07:43,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:07:43,656 INFO L87 Difference]: Start difference. First operand 5401 states and 7853 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:43,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:43,824 INFO L93 Difference]: Finished difference Result 15529 states and 22802 transitions. [2021-12-06 20:07:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:07:43,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-12-06 20:07:43,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:43,875 INFO L225 Difference]: With dead ends: 15529 [2021-12-06 20:07:43,875 INFO L226 Difference]: Without dead ends: 15528 [2021-12-06 20:07:43,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:07:43,885 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 172 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:43,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 145 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15528 states. [2021-12-06 20:07:44,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15528 to 12718. [2021-12-06 20:07:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12718 states, 12712 states have (on average 1.4511485210824417) internal successors, (18447), 12717 states have internal predecessors, (18447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12718 states to 12718 states and 18447 transitions. [2021-12-06 20:07:44,127 INFO L78 Accepts]: Start accepts. Automaton has 12718 states and 18447 transitions. Word has length 32 [2021-12-06 20:07:44,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:44,127 INFO L470 AbstractCegarLoop]: Abstraction has 12718 states and 18447 transitions. [2021-12-06 20:07:44,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 12718 states and 18447 transitions. [2021-12-06 20:07:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 20:07:44,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:44,129 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2021-12-06 20:07:44,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 20:07:44,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 20:07:44,331 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:44,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:44,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1919460695, now seen corresponding path program 2 times [2021-12-06 20:07:44,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:44,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116327130] [2021-12-06 20:07:44,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:44,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:44,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:44,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116327130] [2021-12-06 20:07:44,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116327130] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:44,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501654565] [2021-12-06 20:07:44,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:07:44,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:44,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:44,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:44,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 20:07:44,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:07:44,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:07:44,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:07:44,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:44,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:44,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501654565] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:44,605 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:44,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 20:07:44,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204886902] [2021-12-06 20:07:44,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:44,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:07:44,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:44,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:07:44,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:07:44,606 INFO L87 Difference]: Start difference. First operand 12718 states and 18447 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:44,992 INFO L93 Difference]: Finished difference Result 43313 states and 64320 transitions. [2021-12-06 20:07:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 20:07:44,993 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-12-06 20:07:44,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:45,061 INFO L225 Difference]: With dead ends: 43313 [2021-12-06 20:07:45,061 INFO L226 Difference]: Without dead ends: 43311 [2021-12-06 20:07:45,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:07:45,083 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 373 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:45,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 227 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:07:45,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43311 states. [2021-12-06 20:07:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43311 to 27376. [2021-12-06 20:07:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27376 states, 27370 states have (on average 1.4275118743149433) internal successors, (39071), 27375 states have internal predecessors, (39071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27376 states to 27376 states and 39071 transitions. [2021-12-06 20:07:45,626 INFO L78 Accepts]: Start accepts. Automaton has 27376 states and 39071 transitions. Word has length 36 [2021-12-06 20:07:45,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:45,627 INFO L470 AbstractCegarLoop]: Abstraction has 27376 states and 39071 transitions. [2021-12-06 20:07:45,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27376 states and 39071 transitions. [2021-12-06 20:07:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 20:07:45,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:45,629 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2021-12-06 20:07:45,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 20:07:45,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 20:07:45,831 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:45,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2018802258, now seen corresponding path program 2 times [2021-12-06 20:07:45,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:45,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452354131] [2021-12-06 20:07:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:45,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:45,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:45,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452354131] [2021-12-06 20:07:45,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452354131] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:45,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821044929] [2021-12-06 20:07:45,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:07:45,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:45,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:45,901 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:45,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 20:07:45,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:07:45,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:07:45,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:07:45,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:45,977 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:45,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:46,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821044929] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:46,080 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:46,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 20:07:46,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762651797] [2021-12-06 20:07:46,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:46,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:07:46,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:46,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:07:46,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:07:46,082 INFO L87 Difference]: Start difference. First operand 27376 states and 39071 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:46,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:46,707 INFO L93 Difference]: Finished difference Result 93113 states and 136146 transitions. [2021-12-06 20:07:46,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 20:07:46,708 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-12-06 20:07:46,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:46,857 INFO L225 Difference]: With dead ends: 93113 [2021-12-06 20:07:46,857 INFO L226 Difference]: Without dead ends: 93111 [2021-12-06 20:07:46,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:07:46,878 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 352 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:46,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 227 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:07:46,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93111 states. [2021-12-06 20:07:47,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93111 to 58898. [2021-12-06 20:07:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58898 states, 58892 states have (on average 1.405063506078924) internal successors, (82747), 58897 states have internal predecessors, (82747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58898 states to 58898 states and 82747 transitions. [2021-12-06 20:07:48,006 INFO L78 Accepts]: Start accepts. Automaton has 58898 states and 82747 transitions. Word has length 46 [2021-12-06 20:07:48,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:48,006 INFO L470 AbstractCegarLoop]: Abstraction has 58898 states and 82747 transitions. [2021-12-06 20:07:48,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 58898 states and 82747 transitions. [2021-12-06 20:07:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 20:07:48,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:48,011 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2021-12-06 20:07:48,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 20:07:48,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:48,213 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:48,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:48,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1183604440, now seen corresponding path program 2 times [2021-12-06 20:07:48,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:48,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202825016] [2021-12-06 20:07:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:48,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:48,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:48,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202825016] [2021-12-06 20:07:48,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202825016] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:48,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893102227] [2021-12-06 20:07:48,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:07:48,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:48,283 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:48,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 20:07:48,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:07:48,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:07:48,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:07:48,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:48,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:48,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893102227] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:48,482 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:48,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2021-12-06 20:07:48,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5330020] [2021-12-06 20:07:48,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:48,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 20:07:48,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:48,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 20:07:48,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:07:48,483 INFO L87 Difference]: Start difference. First operand 58898 states and 82747 transitions. Second operand has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:50,159 INFO L93 Difference]: Finished difference Result 207477 states and 294185 transitions. [2021-12-06 20:07:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:07:50,160 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-12-06 20:07:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:50,445 INFO L225 Difference]: With dead ends: 207477 [2021-12-06 20:07:50,445 INFO L226 Difference]: Without dead ends: 207476 [2021-12-06 20:07:50,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:07:50,477 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 569 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:50,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 306 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:07:50,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207476 states. [2021-12-06 20:07:52,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207476 to 115068. [2021-12-06 20:07:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115068 states, 115062 states have (on average 1.3967860805478785) internal successors, (160717), 115067 states have internal predecessors, (160717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115068 states to 115068 states and 160717 transitions. [2021-12-06 20:07:53,036 INFO L78 Accepts]: Start accepts. Automaton has 115068 states and 160717 transitions. Word has length 58 [2021-12-06 20:07:53,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:07:53,036 INFO L470 AbstractCegarLoop]: Abstraction has 115068 states and 160717 transitions. [2021-12-06 20:07:53,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 115068 states and 160717 transitions. [2021-12-06 20:07:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-06 20:07:53,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:07:53,043 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2021-12-06 20:07:53,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 20:07:53,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 20:07:53,245 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:07:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:07:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash 921640519, now seen corresponding path program 2 times [2021-12-06 20:07:53,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:07:53,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013765674] [2021-12-06 20:07:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:07:53,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:07:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:07:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:53,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:07:53,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013765674] [2021-12-06 20:07:53,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013765674] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:07:53,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106321424] [2021-12-06 20:07:53,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:07:53,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:07:53,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:07:53,343 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:07:53,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 20:07:53,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:07:53,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:07:53,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:07:53,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:07:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:53,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:07:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:07:53,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106321424] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:07:53,589 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:07:53,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2021-12-06 20:07:53,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258274361] [2021-12-06 20:07:53,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:07:53,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 20:07:53,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:07:53,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 20:07:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:07:53,591 INFO L87 Difference]: Start difference. First operand 115068 states and 160717 transitions. Second operand has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:07:57,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:07:57,091 INFO L93 Difference]: Finished difference Result 405129 states and 571169 transitions. [2021-12-06 20:07:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:07:57,092 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-12-06 20:07:57,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:07:57,666 INFO L225 Difference]: With dead ends: 405129 [2021-12-06 20:07:57,667 INFO L226 Difference]: Without dead ends: 405128 [2021-12-06 20:07:57,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:07:57,715 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 438 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:07:57,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 306 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:07:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405128 states. [2021-12-06 20:08:02,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405128 to 224758. [2021-12-06 20:08:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224758 states, 224752 states have (on average 1.3887618352673168) internal successors, (312127), 224757 states have internal predecessors, (312127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:08:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224758 states to 224758 states and 312127 transitions. [2021-12-06 20:08:03,352 INFO L78 Accepts]: Start accepts. Automaton has 224758 states and 312127 transitions. Word has length 72 [2021-12-06 20:08:03,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:08:03,353 INFO L470 AbstractCegarLoop]: Abstraction has 224758 states and 312127 transitions. [2021-12-06 20:08:03,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.533333333333333) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:08:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 224758 states and 312127 transitions. [2021-12-06 20:08:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-06 20:08:03,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:08:03,361 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1] [2021-12-06 20:08:03,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 20:08:03,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 20:08:03,563 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-12-06 20:08:03,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:08:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1950111273, now seen corresponding path program 3 times [2021-12-06 20:08:03,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:08:03,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361488630] [2021-12-06 20:08:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:08:03,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:08:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:08:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:08:03,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:08:03,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361488630] [2021-12-06 20:08:03,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361488630] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:08:03,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746325258] [2021-12-06 20:08:03,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:08:03,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:08:03,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:08:03,676 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:08:03,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 20:08:03,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 20:08:03,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:08:03,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 20:08:03,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:08:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:08:04,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:08:04,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746325258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:08:04,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:08:04,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 24 [2021-12-06 20:08:04,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10271260] [2021-12-06 20:08:04,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:08:04,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:08:04,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:08:04,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:08:04,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-12-06 20:08:04,013 INFO L87 Difference]: Start difference. First operand 224758 states and 312127 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:08:05,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:08:05,390 INFO L93 Difference]: Finished difference Result 243072 states and 336741 transitions. [2021-12-06 20:08:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:08:05,391 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-12-06 20:08:05,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:08:05,391 INFO L225 Difference]: With dead ends: 243072 [2021-12-06 20:08:05,391 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 20:08:05,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-12-06 20:08:05,508 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 144 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:08:05,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 529 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:08:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 20:08:05,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 20:08:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:08:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 20:08:05,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2021-12-06 20:08:05,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:08:05,509 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:08:05,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:08:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:08:05,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 20:08:05,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2021-12-06 20:08:05,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2021-12-06 20:08:05,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2021-12-06 20:08:05,513 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2021-12-06 20:08:05,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 20:08:05,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:08:05,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 20:19:14,544 WARN L227 SmtUtils]: Spent 11.15m on a formula simplification. DAG size of input: 11375 DAG size of output: 2165 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:20:14,156 WARN L227 SmtUtils]: Spent 59.59s on a formula simplification. DAG size of input: 2165 DAG size of output: 367 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:20:14,161 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-12-06 20:20:14,161 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2021-12-06 20:20:14,161 INFO L858 garLoopResultBuilder]: For program point L23(lines 23 31) no Hoare annotation was computed. [2021-12-06 20:20:14,161 INFO L858 garLoopResultBuilder]: For program point L19-2(lines 19 33) no Hoare annotation was computed. [2021-12-06 20:20:14,161 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-12-06 20:20:14,161 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 31) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2021-12-06 20:20:14,162 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 31) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L861 garLoopResultBuilder]: At program point L34(lines 13 35) the Hoare annotation is: true [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2021-12-06 20:20:14,163 INFO L858 garLoopResultBuilder]: For program point L22(lines 22 32) no Hoare annotation was computed. [2021-12-06 20:20:14,164 INFO L854 garLoopResultBuilder]: At program point L22-1(lines 19 33) the Hoare annotation is: (let ((.cse14 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483646))) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 2147483643)) (.cse36 (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) (.cse55 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|))) (.cse47 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse44 (<= |ULTIMATE.start_main_~x~0#1| 2147483643)) (.cse26 (<= 0 (+ 5 |ULTIMATE.start_main_~y~0#1|))) (.cse21 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 4))) (.cse27 (<= 0 (+ 2147483643 |ULTIMATE.start_main_~x~0#1|))) (.cse46 (<= 0 (+ 2147483643 |ULTIMATE.start_main_~y~0#1|))) (.cse37 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483642))) (.cse56 (<= |ULTIMATE.start_main_~y~0#1| 2147483646)) (.cse34 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (.cse20 (<= 0 (+ 5 |ULTIMATE.start_main_~x~0#1|))) (.cse54 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse33 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse23 (<= |ULTIMATE.start_main_~y~0#1| 2147483644)) (.cse40 (<= |ULTIMATE.start_main_~x~0#1| 4)) (.cse18 (<= |ULTIMATE.start_main_~x~0#1| 3)) (.cse38 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483642))) (.cse0 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483641))) (.cse11 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) (.cse12 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse48 (<= 0 (+ 6 |ULTIMATE.start_main_~y~0#1|))) (.cse52 (<= |ULTIMATE.start_main_~y~0#1| 2147483642)) (.cse35 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse9 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse53 (<= |ULTIMATE.start_main_~x~0#1| 2147483645)) (.cse30 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 1))) (.cse31 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse22 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse39 (<= 0 (+ 3 |ULTIMATE.start_main_~y~0#1|))) (.cse45 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483641))) (.cse10 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 4))) (.cse42 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse28 (<= 0 (+ 3 |ULTIMATE.start_main_~x~0#1|))) (.cse16 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse51 (<= 0 (+ 6 |ULTIMATE.start_main_~x~0#1|))) (.cse25 (<= 10 |ULTIMATE.start_main_~i~0#1|)) (.cse17 (<= |ULTIMATE.start_main_~y~0#1| 4)) (.cse24 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (.cse41 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 1))) (.cse29 (<= |ULTIMATE.start_main_~x~0#1| 2147483644)) (.cse3 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse50 (<= |ULTIMATE.start_main_~y~0#1| 2147483645)) (.cse32 (<= 0 (+ 2 |ULTIMATE.start_main_~y~0#1|))) (.cse13 (<= |ULTIMATE.start_main_~y~0#1| 0)) (.cse19 (<= 0 (+ 2 |ULTIMATE.start_main_~x~0#1|))) (.cse4 (<= |ULTIMATE.start_main_~x~0#1| 0)) (.cse15 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse7 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~y~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 2147483646)) (.cse49 (<= |ULTIMATE.start_main_~x~0#1| 2147483642)) (.cse5 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse43 (<= |ULTIMATE.start_main_~y~0#1| 3)) (.cse6 (<= |ULTIMATE.start_main_~N~0#1| 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse4 .cse9 .cse6) (and .cse10 .cse1 .cse2 .cse11 .cse12 .cse13 .cse4 .cse14 .cse6 .cse15) (and .cse16 .cse7 .cse17 .cse1 .cse2 .cse18 .cse6) (and .cse17 .cse1 .cse2 .cse19 .cse4 .cse9 .cse6) (and .cse20 .cse21 .cse2 .cse13 .cse22 .cse4 .cse6) (and .cse16 .cse21 .cse7 .cse2 .cse18 .cse13 .cse6) (and .cse1 .cse2 .cse19 .cse22 .cse4 .cse6 .cse23) (and .cse21 .cse2 .cse13 .cse19 .cse4 .cse9 .cse6) (and .cse10 .cse1 .cse24 .cse2 .cse3 .cse4 .cse6) (and .cse20 .cse25 .cse2 .cse13 .cse26 .cse4 .cse6) (and .cse25 .cse27 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse16 .cse17 .cse1 .cse2 .cse4 .cse28 .cse6) (and .cse7 .cse2 .cse29 .cse13 .cse5 .cse6 .cse30) (and .cse7 .cse2 .cse31 .cse32 .cse33 .cse12 .cse13 .cse6) (and .cse7 .cse25 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483644)) .cse2 .cse12 .cse13 .cse34 .cse4 .cse6) (and .cse16 .cse7 .cse2 .cse13 .cse26 .cse35 .cse6) (and .cse7 .cse25 .cse2 .cse13 .cse36 .cse6 .cse30) (and .cse7 .cse2 .cse33 .cse12 .cse13 .cse22 .cse37 .cse34 .cse6) (and .cse1 .cse38 .cse2 .cse11 .cse12 .cse13 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse39 .cse31 .cse13 .cse4 .cse6) (and .cse20 .cse1 .cse24 .cse2 .cse11 .cse12 .cse13 .cse4 .cse6) (and .cse7 .cse2 .cse31 .cse13 .cse35 .cse6 .cse30) (and .cse7 .cse24 .cse40 .cse2 .cse13 .cse6 .cse30) (and .cse16 .cse8 .cse1 .cse2 .cse41 .cse4 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse31 .cse33 .cse6) (and .cse7 .cse1 .cse2 .cse18 .cse43 .cse9 .cse6) (and .cse1 .cse2 .cse4 .cse28 .cse43 .cse9 .cse6) (and .cse7 .cse2 .cse39 .cse44 .cse13 .cse22 .cse6) (and .cse16 .cse7 .cse45 .cse2 .cse12 .cse13 .cse34 .cse4 .cse6) (and .cse7 .cse2 .cse12 .cse13 .cse22 .cse34 .cse4 .cse46 .cse6) (and .cse2 .cse12 .cse47 .cse13 .cse41 .cse4 .cse6 .cse30) (and .cse7 .cse2 .cse18 .cse13 .cse22 .cse48 .cse6) (and .cse10 .cse25 .cse8 .cse1 .cse2 .cse4 .cse6) (and .cse16 .cse7 .cse42 .cse1 .cse2 .cse49 .cse6) (and .cse7 .cse1 .cse2 .cse18 .cse31 .cse13 .cse6) (and .cse7 .cse1 .cse2 .cse50 .cse33 .cse22 .cse6) (and .cse1 .cse2 .cse11 .cse31 .cse12 .cse13 .cse4 .cse14 .cse28 .cse6) (and .cse7 .cse45 .cse2 .cse13 .cse22 .cse35 .cse6) (and .cse7 .cse25 .cse45 .cse2 .cse18 .cse13 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse50 .cse35 .cse6) (and .cse16 .cse2 .cse51 .cse13 .cse4 .cse6 .cse30) (and .cse7 .cse45 .cse2 .cse33 .cse12 .cse13 .cse34 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse52 .cse33 .cse9 .cse6) (and .cse7 .cse2 .cse29 .cse32 .cse13 .cse22 .cse6) (and .cse7 .cse1 .cse40 .cse2 .cse13 .cse6 .cse15) (and .cse2 .cse39 .cse13 .cse4 .cse28 .cse9 .cse6) (and .cse25 .cse1 .cse2 .cse11 .cse12 .cse13 .cse4 .cse6 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483644))) (and .cse7 .cse1 .cse2 .cse53 .cse3 .cse22 .cse6) (and .cse0 .cse2 .cse13 .cse4 .cse5 .cse6 .cse30) (and .cse7 .cse1 .cse2 .cse33 .cse47 .cse3 .cse6) (and .cse16 .cse7 .cse8 .cse1 .cse2 .cse33 .cse6) (and .cse42 .cse1 .cse2 .cse19 .cse4 .cse6 .cse15) (and .cse2 .cse39 .cse13 .cse41 .cse4 .cse6 .cse15) (and .cse7 .cse17 .cse1 .cse2 .cse4 .cse6 .cse15) (and .cse21 .cse7 .cse40 .cse2 .cse13 .cse5 .cse6) (and .cse24 .cse2 .cse32 .cse13 .cse4 .cse28 .cse6) (and .cse7 .cse1 .cse2 .cse52 .cse18 .cse5 .cse6) (and .cse7 .cse2 .cse49 .cse13 .cse9 .cse6 .cse30) (and .cse21 .cse7 .cse2 .cse49 .cse13 .cse22 .cse6) (and .cse7 .cse1 .cse2 .cse53 .cse13 .cse5 .cse6) (and .cse20 .cse1 .cse2 .cse4 .cse5 .cse43 .cse6) (and .cse8 .cse1 .cse2 .cse19 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse18 .cse22 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse4 .cse6 .cse23) (and .cse16 .cse1 .cse2 .cse52 .cse19 .cse4 .cse6) (and .cse25 .cse38 .cse2 .cse32 .cse13 .cse4 .cse6) (and .cse20 .cse16 .cse2 .cse32 .cse13 .cse4 .cse6) (and .cse7 .cse1 .cse2 .cse18 .cse3 .cse6 .cse15) (and .cse7 .cse1 .cse2 .cse31 .cse4 .cse43 .cse6) (and .cse25 .cse17 .cse1 .cse2 .cse51 .cse4 .cse6) (and .cse21 .cse10 .cse2 .cse13 .cse4 .cse5 .cse6) (and .cse25 .cse1 .cse2 .cse4 .cse28 .cse6 .cse23) (and .cse7 .cse25 .cse2 .cse13 .cse37 .cse35 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse28 .cse6 .cse15) (and .cse7 .cse24 .cse2 .cse13 .cse26 .cse4 .cse6) (and .cse1 .cse2 .cse52 .cse4 .cse5 .cse28 .cse6) (and .cse7 .cse2 .cse32 .cse13 .cse35 .cse6 .cse15) (and .cse16 .cse7 .cse1 .cse40 .cse2 .cse43 .cse6) (and .cse1 .cse2 .cse41 .cse4 .cse5 .cse6 .cse23) (and .cse7 .cse1 .cse2 .cse31 .cse3 .cse35 .cse6) (and .cse2 .cse12 .cse13 .cse22 .cse37 .cse41 .cse34 .cse4 .cse6) (and .cse7 .cse2 .cse32 .cse12 .cse47 .cse13 .cse4 .cse6) (and .cse8 .cse1 .cse2 .cse22 .cse4 .cse28 .cse6) (and .cse7 .cse17 .cse1 .cse2 .cse49 .cse22 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse47 .cse4 .cse6) (and .cse16 .cse7 .cse2 .cse49 .cse32 .cse13 .cse6) (and .cse2 .cse12 .cse13 .cse26 .cse41 .cse34 .cse4 .cse9 .cse6) (and .cse7 .cse54 (<= |ULTIMATE.start_main_~i~0#1| 2147483645) .cse1 .cse33 .cse13 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse35 .cse6 .cse15) (and .cse7 .cse17 .cse1 .cse24 .cse2 .cse33 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse5 .cse35 .cse6) (and .cse21 .cse7 .cse24 .cse2 .cse33 .cse13 .cse6) (and .cse45 .cse2 .cse12 .cse13 .cse41 .cse34 .cse4 .cse5 .cse6) (and .cse16 .cse21 .cse2 .cse13 .cse4 .cse28 .cse6) (and .cse1 .cse2 .cse47 .cse13 .cse19 .cse4 .cse6) (and .cse2 .cse32 .cse51 .cse13 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse44 .cse13 .cse9 .cse6) (and .cse1 .cse2 .cse51 .cse22 .cse4 .cse43 .cse6) (and .cse7 .cse1 .cse2 .cse13 .cse22 .cse36 .cse6) (and .cse2 .cse13 .cse4 .cse28 .cse6 .cse15 .cse30) (and .cse10 .cse2 .cse32 .cse13 .cse4 .cse9 .cse6) (and .cse25 .cse1 .cse2 .cse50 .cse19 .cse4 .cse6) (and .cse25 .cse27 .cse2 .cse13 .cse4 .cse6 .cse30) (and .cse7 .cse40 .cse2 .cse13 .cse22 .cse26 .cse6) (and .cse42 .cse1 .cse2 .cse51 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse55 .cse33 .cse12 .cse13 .cse26 .cse9 .cse6) (and .cse21 .cse7 .cse2 .cse13 .cse35 .cse9 .cse6) (and .cse7 .cse1 .cse2 .cse47 .cse13 .cse35 .cse6) (and .cse7 .cse25 .cse2 .cse49 .cse13 .cse26 .cse6) (and .cse1 .cse24 .cse2 .cse19 .cse4 .cse43 .cse6) (and .cse21 .cse24 .cse2 .cse13 .cse41 .cse4 .cse6) (and .cse7 .cse2 .cse13 .cse48 .cse5 .cse35 .cse6) (and .cse42 .cse25 .cse1 .cse38 .cse2 .cse4 .cse6) (and .cse7 .cse40 .cse2 .cse32 .cse13 .cse9 .cse6) (and .cse0 .cse2 .cse32 .cse13 .cse22 .cse4 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse44 .cse5 .cse6) (and .cse7 .cse42 .cse1 .cse40 .cse2 .cse9 .cse6) (and .cse2 .cse13 .cse19 .cse48 .cse4 .cse5 .cse6) (and .cse21 .cse7 .cse2 .cse12 .cse13 .cse34 .cse4 .cse6 .cse15) (and .cse7 .cse25 .cse8 .cse1 .cse40 .cse2 .cse6) (and .cse7 .cse56 .cse1 .cse2 .cse22 .cse4 .cse6) (and .cse24 .cse2 .cse39 .cse13 .cse19 .cse4 .cse6) (and .cse38 .cse2 .cse13 .cse22 .cse4 .cse6 .cse30) (and .cse7 .cse42 .cse25 .cse1 .cse2 .cse53 .cse6) (and .cse42 .cse0 .cse1 .cse2 .cse22 .cse4 .cse6) (and .cse16 .cse7 .cse2 .cse44 .cse13 .cse6 .cse30) (and .cse7 .cse25 .cse17 .cse1 .cse2 .cse44 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse18 .cse6 .cse23) (and .cse7 .cse25 .cse1 .cse2 .cse3 .cse36 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse29 .cse13 .cse6) (and .cse1 .cse2 .cse41 .cse4 .cse43 .cse6 .cse15) (and .cse25 .cse0 .cse2 .cse39 .cse13 .cse4 .cse6) (and .cse7 .cse2 .cse33 .cse12 .cse47 .cse13 .cse6 .cse30) (and .cse2 .cse31 .cse32 .cse12 .cse13 .cse41 .cse4 .cse6) (and .cse20 .cse25 .cse1 .cse2 .cse52 .cse4 .cse6) (and .cse7 .cse25 .cse2 .cse33 .cse12 .cse13 .cse34 .cse46 .cse6) (and .cse1 .cse2 .cse50 .cse22 .cse41 .cse4 .cse6) (and .cse7 .cse2 .cse55 .cse39 .cse33 .cse12 .cse13 .cse6 .cse15) (and .cse54 .cse1 .cse2 .cse13 .cse41 .cse4 .cse6) (and .cse21 .cse7 .cse25 .cse2 .cse44 .cse13 .cse6) (and .cse25 .cse2 .cse13 .cse19 .cse37 .cse4 .cse6) (and .cse10 .cse1 .cse2 .cse52 .cse22 .cse4 .cse6) (and .cse1 .cse2 .cse52 .cse41 .cse4 .cse9 .cse6) (and .cse7 .cse2 .cse18 .cse13 .cse6 .cse15 .cse30) (and .cse7 .cse1 .cse24 .cse2 .cse35 .cse43 .cse6) (and .cse1 .cse2 .cse47 .cse3 .cse41 .cse4 .cse6) (and .cse25 .cse0 .cse1 .cse2 .cse4 .cse43 .cse6) (and .cse7 .cse42 .cse1 .cse24 .cse2 .cse18 .cse6) (and .cse20 .cse16 .cse42 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse17 .cse1 .cse40 .cse2 .cse5 .cse6) (and .cse7 .cse1 .cse24 .cse2 .cse49 .cse13 .cse6) (and .cse7 .cse1 .cse2 .cse44 .cse22 .cse43 .cse6) (and .cse7 .cse1 .cse2 .cse22 .cse35 .cse6 .cse23) (and .cse16 .cse10 .cse1 .cse2 .cse4 .cse43 .cse6) (and .cse10 .cse42 .cse1 .cse2 .cse4 .cse9 .cse6) (and .cse45 .cse2 .cse13 .cse19 .cse22 .cse4 .cse6) (and .cse7 .cse54 .cse2 .cse12 .cse13 .cse4 .cse6 .cse30) (and .cse2 .cse13 .cse26 .cse4 .cse5 .cse28 .cse6) (and .cse20 .cse2 .cse13 .cse4 .cse9 .cse6 .cse30) (and .cse7 .cse1 .cse2 .cse49 .cse3 .cse9 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse49 .cse52 .cse6) (and .cse7 .cse2 .cse32 .cse44 .cse13 .cse5 .cse6) (and .cse16 .cse2 .cse13 .cse19 .cse26 .cse4 .cse6) (and .cse7 .cse2 .cse18 .cse13 .cse26 .cse5 .cse6) (and .cse7 .cse25 .cse56 .cse1 .cse2 .cse33 .cse6) (and .cse7 .cse25 .cse2 .cse29 .cse39 .cse13 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse44 .cse3 .cse6) (and .cse10 .cse2 .cse13 .cse22 .cse26 .cse4 .cse6) (and .cse21 .cse25 .cse2 .cse51 .cse13 .cse4 .cse6) (and .cse27 .cse1 .cse2 .cse11 .cse12 .cse13 .cse22 .cse4 .cse6) (and .cse25 .cse2 .cse12 .cse13 .cse41 .cse34 .cse4 .cse46 .cse6) (and .cse7 .cse1 .cse24 .cse40 .cse2 .cse3 .cse6) (and .cse7 .cse2 .cse12 .cse13 .cse48 .cse34 .cse4 .cse9 .cse6) (and .cse20 .cse1 .cse2 .cse3 .cse4 .cse9 .cse6) (and .cse7 .cse24 .cse2 .cse18 .cse32 .cse13 .cse6) (and .cse7 .cse42 .cse1 .cse2 .cse29 .cse22 .cse6) (and .cse7 .cse1 .cse40 .cse2 .cse52 .cse22 .cse6) (and .cse7 .cse2 .cse12 .cse13 .cse37 .cse34 .cse4 .cse5 .cse6) (and .cse16 .cse7 .cse1 .cse2 .cse52 .cse35 .cse6) (and .cse16 .cse2 .cse12 .cse13 .cse48 .cse41 .cse34 .cse4 .cse6) (and .cse25 .cse56 .cse1 .cse2 .cse41 .cse4 .cse6) (and .cse20 .cse2 .cse39 .cse13 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse53 .cse13 .cse22 .cse6 .cse30) (and .cse16 .cse7 .cse2 .cse33 .cse12 .cse13 .cse48 .cse34 .cse6) (and .cse7 .cse1 .cse2 .cse33 .cse43 .cse6 .cse15) (and .cse7 .cse1 .cse2 .cse12 .cse13 .cse4 .cse6) (and .cse7 .cse2 .cse49 .cse39 .cse13 .cse5 .cse6) (and .cse20 .cse17 .cse1 .cse2 .cse22 .cse4 .cse6) (and .cse10 .cse25 .cse2 .cse13 .cse48 .cse4 .cse6) (and .cse7 .cse54 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse2 .cse11 .cse51 .cse12 .cse13 .cse4 .cse9 .cse6) (and .cse2 .cse31 .cse13 .cse19 .cse4 .cse6 .cse30) (and .cse16 .cse7 .cse40 .cse2 .cse39 .cse13 .cse6) (and .cse7 .cse1 .cse2 .cse33 .cse5 .cse6 .cse23) (and .cse7 .cse25 .cse1 .cse2 .cse29 .cse43 .cse6) (and .cse7 .cse25 .cse40 .cse2 .cse13 .cse48 .cse6) (and .cse7 .cse2 .cse18 .cse39 .cse13 .cse9 .cse6) (and .cse1 .cse38 .cse2 .cse3 .cse22 .cse4 .cse6) (and .cse16 .cse0 .cse1 .cse2 .cse11 .cse12 .cse13 .cse4 .cse6) (and .cse7 .cse24 .cse2 .cse39 .cse13 .cse35 .cse6) (and .cse2 .cse13 .cse22 .cse48 .cse4 .cse28 .cse6) (and .cse7 .cse1 .cse24 .cse2 .cse52 .cse4 .cse6) (and .cse7 .cse17 .cse1 .cse2 .cse35 .cse9 .cse6) (and .cse7 .cse25 .cse2 .cse32 .cse53 .cse13 .cse6) (and .cse10 .cse24 .cse2 .cse13 .cse4 .cse6 .cse30) (and .cse42 .cse1 .cse2 .cse31 .cse41 .cse4 .cse6) (and .cse1 .cse2 .cse31 .cse19 .cse3 .cse4 .cse6) (and .cse2 .cse39 .cse51 .cse13 .cse22 .cse4 .cse6) (and .cse16 .cse10 .cse2 .cse39 .cse13 .cse4 .cse6) (and .cse25 .cse45 .cse2 .cse13 .cse4 .cse28 .cse6) (and .cse10 .cse17 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse42 .cse1 .cse24 .cse2 .cse4 .cse28 .cse6) (and .cse16 .cse1 .cse2 .cse51 .cse3 .cse4 .cse6) (and .cse7 .cse25 .cse1 .cse2 .cse13 .cse6) (and .cse17 .cse1 .cse24 .cse2 .cse41 .cse4 .cse6) (and .cse7 .cse1 .cse2 .cse29 .cse3 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse50 .cse4 .cse5 .cse6) (and .cse2 .cse32 .cse13 .cse19 .cse4 .cse6 .cse15) (and .cse7 .cse1 .cse2 .cse49 .cse5 .cse43 .cse6))) [2021-12-06 20:20:14,164 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-12-06 20:20:14,167 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:20:14,168 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:20:14,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:20:14 BoogieIcfgContainer [2021-12-06 20:20:14,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:20:14,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:20:14,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:20:14,214 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:20:14,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:07:39" (3/4) ... [2021-12-06 20:20:14,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 20:20:14,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 20:20:14,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 20:20:14,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:20:14,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:20:14,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:20:14,260 INFO L158 Benchmark]: Toolchain (without parser) took 755490.73ms. Allocated memory was 109.1MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 71.5MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2021-12-06 20:20:14,260 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 97.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:20:14,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.24ms. Allocated memory is still 109.1MB. Free memory was 71.3MB in the beginning and 62.5MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:20:14,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.80ms. Allocated memory is still 109.1MB. Free memory was 62.4MB in the beginning and 61.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:20:14,260 INFO L158 Benchmark]: Boogie Preprocessor took 16.53ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 60.1MB in the end (delta: 940.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:20:14,261 INFO L158 Benchmark]: RCFGBuilder took 239.08ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 81.5MB in the end (delta: -21.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-12-06 20:20:14,261 INFO L158 Benchmark]: TraceAbstraction took 755004.13ms. Allocated memory was 109.1MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 81.0MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. [2021-12-06 20:20:14,261 INFO L158 Benchmark]: Witness Printer took 45.34ms. Allocated memory is still 7.5GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 20:20:14,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 97.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.24ms. Allocated memory is still 109.1MB. Free memory was 71.3MB in the beginning and 62.5MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.80ms. Allocated memory is still 109.1MB. Free memory was 62.4MB in the beginning and 61.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.53ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 60.1MB in the end (delta: 940.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 239.08ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 81.5MB in the end (delta: -21.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * TraceAbstraction took 755004.13ms. Allocated memory was 109.1MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 81.0MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. * Witness Printer took 45.34ms. Allocated memory is still 7.5GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 754.9s, OverallIterations: 19, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 728.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2906 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2906 mSDsluCounter, 2725 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2086 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 544 IncrementalHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 639 mSDtfsCounter, 544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 873 GetRequests, 758 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224758occurred in iteration=18, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 328903 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 1854 NumberOfFragments, 5486 HoareAnnotationTreeSize, 2 FomulaSimplifications, 1571019 FormulaSimplificationTreeSizeReduction, 668.8s HoareSimplificationTime, 2 FomulaSimplificationsInter, 81909 FormulaSimplificationTreeSizeReductionInter, 59.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 943 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1269 ConstructedInterpolants, 0 QuantifiedInterpolants, 5061 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1023 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 44 InterpolantComputations, 7 PerfectInterpolantSequences, 459/2682 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= x + 2147483641 && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && 8 <= i) && N <= 10) || ((((((0 <= x && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 0) && 6 <= i) && N <= 10)) || (((((((((0 <= x + 4 && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && 0 <= x + 2147483646) && N <= 10) && 4 <= i)) || ((((((7 <= i && 0 <= x) && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 3) && N <= 10)) || ((((((y <= 4 && 0 <= y) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= 5 + x && 0 <= y + 4) && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= y + 4) && 0 <= x) && i <= 2147483646) && x <= 3) && y <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= 2 + x) && 9 <= i) && x <= 0) && N <= 10) && y <= 2147483644)) || ((((((0 <= y + 4 && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x + 4 && 0 <= y) && 5 <= i) && i <= 2147483646) && y <= 1) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && 10 <= i) && i <= 2147483646) && y <= 0) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= 2147483643 + x) && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && N <= 10)) || ((((((7 <= i && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483644) && y <= 0) && 8 <= i) && N <= 10) && 0 <= y + 1)) || (((((((0 <= x && i <= 2147483646) && 3 <= i) && 0 <= 2 + y) && x <= 1) && 0 <= i) && y <= 0) && N <= 10)) || ((((((((0 <= x && 10 <= i) && 0 <= y + 2147483644) && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && i <= 2147483646) && y <= 0) && 0 <= 5 + y) && x <= 2) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && y <= 0) && x <= 2147483646) && N <= 10) && 0 <= y + 1)) || ((((((((0 <= x && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 9 <= i) && 0 <= y + 2147483642) && 0 <= y + 2147483648) && N <= 10)) || ((((((((0 <= y && 0 <= x + 2147483642) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 3 + y) && 3 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((((0 <= 5 + x && 0 <= y) && 5 <= i) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 3 <= i) && y <= 0) && x <= 2) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 5 <= i) && x <= 4) && i <= 2147483646) && y <= 0) && N <= 10) && 0 <= y + 1)) || ((((((7 <= i && y <= 2147483643) && 0 <= y) && i <= 2147483646) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && 3 <= i) && x <= 1) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 3) && y <= 3) && 6 <= i) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && y <= 3) && 6 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 3 + y) && x <= 2147483643) && y <= 0) && 9 <= i) && N <= 10)) || ((((((((7 <= i && 0 <= x) && 0 <= y + 2147483641) && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= i) && y <= 0) && 9 <= i) && 0 <= y + 2147483648) && x <= 0) && 0 <= 2147483643 + y) && N <= 10)) || (((((((i <= 2147483646 && 0 <= i) && 2 <= i) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && y <= 0) && 9 <= i) && 0 <= 6 + y) && N <= 10)) || ((((((0 <= x + 4 && 10 <= i) && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2147483642) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 3) && 3 <= i) && y <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483645) && x <= 1) && 9 <= i) && N <= 10)) || (((((((((0 <= y && i <= 2147483646) && 0 <= x + 2147483648) && 3 <= i) && 0 <= i) && y <= 0) && x <= 0) && 0 <= x + 2147483646) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && 0 <= y + 2147483641) && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 2) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y + 2147483641) && i <= 2147483646) && x <= 3) && y <= 0) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 2147483645) && x <= 2) && N <= 10)) || ((((((7 <= i && i <= 2147483646) && 0 <= 6 + x) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((((0 <= x && 0 <= y + 2147483641) && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 1) && 6 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483644) && 0 <= 2 + y) && y <= 0) && 9 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && x <= 4) && i <= 2147483646) && y <= 0) && N <= 10) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= 3 + y) && y <= 0) && x <= 0) && 0 <= 3 + x) && 6 <= i) && N <= 10)) || ((((((((10 <= i && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && N <= 10) && 0 <= x + 2147483644)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483645) && y <= 1) && 9 <= i) && N <= 10)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && y <= 0) && x <= 0) && 8 <= i) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 1) && 2 <= i) && y <= 1) && N <= 10)) || ((((((7 <= i && 0 <= x) && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 1) && N <= 10)) || ((((((y <= 2 && 0 <= y) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && N <= 10) && 4 <= i)) || ((((((i <= 2147483646 && 0 <= 3 + y) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= x && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= y + 4 && 0 <= x) && x <= 4) && i <= 2147483646) && y <= 0) && 8 <= i) && N <= 10)) || ((((((5 <= i && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 3) && 8 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483642) && y <= 0) && 6 <= i) && N <= 10) && 0 <= y + 1)) || ((((((0 <= y + 4 && 0 <= x) && i <= 2147483646) && x <= 2147483642) && y <= 0) && 9 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483645) && y <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= 5 + x && 0 <= y) && i <= 2147483646) && x <= 0) && 8 <= i) && y <= 3) && N <= 10)) || ((((((y <= 2147483643 && 0 <= y) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && y <= 2147483643) && 0 <= y) && i <= 2147483646) && x <= 3) && 9 <= i) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10) && y <= 2147483644)) || ((((((7 <= i && 0 <= y) && i <= 2147483646) && y <= 2147483642) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= x + 2147483642) && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && 7 <= i) && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 3) && y <= 1) && N <= 10) && 4 <= i)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 3 <= i) && x <= 0) && y <= 3) && N <= 10)) || ((((((10 <= i && y <= 4) && 0 <= y) && i <= 2147483646) && 0 <= 6 + x) && x <= 0) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x + 4) && i <= 2147483646) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((10 <= i && 0 <= y) && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && y <= 0) && 0 <= y + 2147483642) && x <= 2) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 1) && x <= 0) && 0 <= 3 + x) && N <= 10) && 4 <= i)) || ((((((0 <= x && 5 <= i) && i <= 2147483646) && y <= 0) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 2147483642) && x <= 0) && 8 <= i) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 2) && N <= 10) && 4 <= i)) || ((((((7 <= i && 0 <= x) && 0 <= y) && x <= 4) && i <= 2147483646) && y <= 3) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= x + 1) && x <= 0) && 8 <= i) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 3 <= i) && y <= 1) && x <= 2) && N <= 10)) || ((((((((i <= 2147483646 && 0 <= i) && y <= 0) && 9 <= i) && 0 <= y + 2147483642) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || (((((((0 <= x && i <= 2147483646) && 0 <= 2 + y) && 0 <= i) && 2 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((y <= 2147483643 && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 2147483642) && 9 <= i) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && 2 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && i <= 2147483646) && x <= 2147483642) && 0 <= 2 + y) && y <= 0) && N <= 10)) || ((((((((i <= 2147483646 && 0 <= i) && y <= 0) && 0 <= 5 + y) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x && 1 <= i) && i <= 2147483645) && 0 <= y) && x <= 1) && y <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2) && N <= 10) && 4 <= i)) || ((((((0 <= x && y <= 4) && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 1) && N <= 10)) || ((((((0 <= x && y <= 2147483643) && 0 <= y) && i <= 2147483646) && 8 <= i) && x <= 2) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x) && 5 <= i) && i <= 2147483646) && x <= 1) && y <= 0) && N <= 10)) || ((((((((0 <= y + 2147483641 && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && 8 <= i) && N <= 10)) || ((((((7 <= i && 0 <= y + 4) && i <= 2147483646) && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 2 <= i) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((i <= 2147483646 && 0 <= 2 + y) && 0 <= 6 + x) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483643) && y <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= 6 + x) && 9 <= i) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 2147483646) && N <= 10)) || ((((((i <= 2147483646 && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10) && 4 <= i) && 0 <= y + 1)) || ((((((0 <= x + 4 && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && x <= 0) && 6 <= i) && N <= 10)) || ((((((10 <= i && 0 <= y) && i <= 2147483646) && y <= 2147483645) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= 2147483643 + x) && i <= 2147483646) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && x <= 4) && i <= 2147483646) && y <= 0) && 9 <= i) && 0 <= 5 + y) && N <= 10)) || ((((((y <= 2 && 0 <= y) && i <= 2147483646) && 0 <= 6 + x) && x <= 0) && 8 <= i) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= 2147483647 + y) && x <= 1) && 0 <= i) && y <= 0) && 0 <= 5 + y) && 6 <= i) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x) && i <= 2147483646) && y <= 0) && x <= 2) && 6 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 2 <= i) && y <= 0) && x <= 2) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && x <= 2147483642) && y <= 0) && 0 <= 5 + y) && N <= 10)) || ((((((0 <= y && 5 <= i) && i <= 2147483646) && 0 <= 2 + x) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= y + 4 && 5 <= i) && i <= 2147483646) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && y <= 0) && 0 <= 6 + y) && 8 <= i) && x <= 2) && N <= 10)) || ((((((y <= 2 && 10 <= i) && 0 <= y) && 0 <= x + 2147483642) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((0 <= x && x <= 4) && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x + 2147483641 && i <= 2147483646) && 0 <= 2 + y) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || (((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2147483643) && 8 <= i) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && x <= 4) && i <= 2147483646) && 6 <= i) && N <= 10)) || ((((((i <= 2147483646 && y <= 0) && 0 <= 2 + x) && 0 <= 6 + y) && x <= 0) && 8 <= i) && N <= 10)) || ((((((((0 <= y + 4 && 0 <= x) && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= x && 10 <= i) && y <= 2147483643) && 0 <= y) && x <= 4) && i <= 2147483646) && N <= 10)) || ((((((0 <= x && y <= 2147483646) && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && N <= 10)) || ((((((5 <= i && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10)) || ((((((0 <= x + 2147483642 && i <= 2147483646) && y <= 0) && 9 <= i) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && y <= 2) && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 2147483645) && N <= 10)) || ((((((y <= 2 && 0 <= x + 2147483641) && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && i <= 2147483646) && x <= 2147483643) && y <= 0) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 10 <= i) && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 2147483643) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 3) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 2147483646) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && x <= 2147483644) && y <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 0 <= x + 1) && x <= 0) && y <= 3) && N <= 10) && 4 <= i)) || ((((((10 <= i && 0 <= x + 2147483641) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 0) && N <= 10)) || (((((((0 <= x && i <= 2147483646) && x <= 1) && 0 <= i) && 2 <= i) && y <= 0) && N <= 10) && 0 <= y + 1)) || (((((((i <= 2147483646 && 3 <= i) && 0 <= 2 + y) && 0 <= i) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 0) && N <= 10)) || ((((((((0 <= x && 10 <= i) && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 0 <= y + 2147483648) && 0 <= 2147483643 + y) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 2147483645) && 9 <= i) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= 2147483647 + y) && 0 <= 3 + y) && x <= 1) && 0 <= i) && y <= 0) && N <= 10) && 4 <= i)) || ((((((1 <= i && 0 <= y) && i <= 2147483646) && y <= 0) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= y + 4 && 0 <= x) && 10 <= i) && i <= 2147483646) && x <= 2147483643) && y <= 0) && N <= 10)) || ((((((10 <= i && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && 0 <= y + 2147483642) && x <= 0) && N <= 10)) || ((((((0 <= x + 4 && 0 <= y) && i <= 2147483646) && y <= 2147483642) && 9 <= i) && x <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && y <= 2147483642) && 0 <= x + 1) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && y <= 0) && N <= 10) && 4 <= i) && 0 <= y + 1)) || ((((((0 <= x && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 2) && y <= 3) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 2 <= i) && y <= 1) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= x + 2147483641) && 0 <= y) && i <= 2147483646) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 3) && N <= 10)) || ((((((0 <= 5 + x && 7 <= i) && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 4) && 0 <= y) && x <= 4) && i <= 2147483646) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 2147483642) && y <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483643) && 9 <= i) && y <= 3) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 2) && N <= 10) && y <= 2147483644)) || ((((((7 <= i && 0 <= x + 4) && 0 <= y) && i <= 2147483646) && x <= 0) && y <= 3) && N <= 10)) || ((((((0 <= x + 4 && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= y + 2147483641 && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && 9 <= i) && x <= 0) && N <= 10)) || (((((((0 <= x && 1 <= i) && i <= 2147483646) && 0 <= i) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((i <= 2147483646 && y <= 0) && 0 <= 5 + y) && x <= 0) && 8 <= i) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= 5 + x && i <= 2147483646) && y <= 0) && x <= 0) && 6 <= i) && N <= 10) && 0 <= y + 1)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483642) && y <= 1) && 6 <= i) && N <= 10)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 2147483642) && y <= 2147483642) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && 0 <= 2 + y) && x <= 2147483643) && y <= 0) && 8 <= i) && N <= 10)) || ((((((7 <= i && i <= 2147483646) && y <= 0) && 0 <= 2 + x) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && y <= 0) && 0 <= 5 + y) && 8 <= i) && N <= 10)) || ((((((0 <= x && 10 <= i) && y <= 2147483646) && 0 <= y) && i <= 2147483646) && x <= 1) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && x <= 2147483644) && 0 <= 3 + y) && y <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && x <= 2147483643) && y <= 1) && N <= 10)) || ((((((0 <= x + 4 && i <= 2147483646) && y <= 0) && 9 <= i) && 0 <= 5 + y) && x <= 0) && N <= 10)) || ((((((0 <= y + 4 && 10 <= i) && i <= 2147483646) && 0 <= 6 + x) && y <= 0) && x <= 0) && N <= 10)) || ((((((((0 <= 2147483643 + x && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || ((((((((10 <= i && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && 0 <= 2147483643 + y) && N <= 10)) || ((((((0 <= x && 0 <= y) && 5 <= i) && x <= 4) && i <= 2147483646) && y <= 1) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= 6 + y) && 0 <= y + 2147483648) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= 5 + x && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= x && 5 <= i) && i <= 2147483646) && x <= 3) && 0 <= 2 + y) && y <= 0) && N <= 10)) || ((((((0 <= x && y <= 2) && 0 <= y) && i <= 2147483646) && x <= 2147483644) && 9 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && x <= 4) && i <= 2147483646) && y <= 2147483642) && 9 <= i) && N <= 10)) || ((((((((0 <= x && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= y + 2147483642) && 0 <= y + 2147483648) && x <= 0) && 8 <= i) && N <= 10)) || ((((((7 <= i && 0 <= x) && 0 <= y) && i <= 2147483646) && y <= 2147483642) && x <= 2) && N <= 10)) || ((((((((7 <= i && i <= 2147483646) && 0 <= i) && y <= 0) && 0 <= 6 + y) && 0 <= x + 1) && 0 <= y + 2147483648) && x <= 0) && N <= 10)) || ((((((10 <= i && y <= 2147483646) && 0 <= y) && i <= 2147483646) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= 5 + x && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483645) && y <= 0) && 9 <= i) && N <= 10) && 0 <= y + 1)) || ((((((((7 <= i && 0 <= x) && i <= 2147483646) && x <= 1) && 0 <= i) && y <= 0) && 0 <= 6 + y) && 0 <= y + 2147483648) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 1) && y <= 3) && N <= 10) && 4 <= i)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && 0 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 2147483642) && 0 <= 3 + y) && y <= 0) && 8 <= i) && N <= 10)) || ((((((0 <= 5 + x && y <= 4) && 0 <= y) && i <= 2147483646) && 9 <= i) && x <= 0) && N <= 10)) || ((((((0 <= x + 4 && 10 <= i) && i <= 2147483646) && y <= 0) && 0 <= 6 + y) && x <= 0) && N <= 10)) || ((((((0 <= x && 1 <= i) && 0 <= y) && i <= 2147483646) && y <= 1) && x <= 0) && N <= 10)) || ((((((((0 <= y && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= 6 + x) && 0 <= i) && y <= 0) && x <= 0) && 6 <= i) && N <= 10)) || ((((((i <= 2147483646 && 3 <= i) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((7 <= i && 0 <= x) && x <= 4) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 1) && 8 <= i) && N <= 10) && y <= 2147483644)) || ((((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && x <= 2147483644) && y <= 3) && N <= 10)) || ((((((0 <= x && 10 <= i) && x <= 4) && i <= 2147483646) && y <= 0) && 0 <= 6 + y) && N <= 10)) || ((((((0 <= x && i <= 2147483646) && x <= 3) && 0 <= 3 + y) && y <= 0) && 6 <= i) && N <= 10)) || ((((((0 <= y && 0 <= x + 2147483642) && i <= 2147483646) && y <= 1) && 9 <= i) && x <= 0) && N <= 10)) || ((((((((7 <= i && 0 <= x + 2147483641) && 0 <= y) && i <= 2147483646) && 0 <= x + 2147483648) && 0 <= i) && y <= 0) && x <= 0) && N <= 10)) || ((((((0 <= x && 5 <= i) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 2) && N <= 10)) || ((((((i <= 2147483646 && y <= 0) && 9 <= i) && 0 <= 6 + y) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x && 0 <= y) && 5 <= i) && i <= 2147483646) && y <= 2147483642) && x <= 0) && N <= 10)) || ((((((0 <= x && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 2) && 6 <= i) && N <= 10)) || ((((((0 <= x && 10 <= i) && i <= 2147483646) && 0 <= 2 + y) && x <= 2147483645) && y <= 0) && N <= 10)) || ((((((0 <= x + 4 && 5 <= i) && i <= 2147483646) && y <= 0) && x <= 0) && N <= 10) && 0 <= y + 1)) || ((((((y <= 2 && 0 <= y) && i <= 2147483646) && 3 <= i) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= y && i <= 2147483646) && 3 <= i) && 0 <= 2 + x) && y <= 1) && x <= 0) && N <= 10)) || ((((((i <= 2147483646 && 0 <= 3 + y) && 0 <= 6 + x) && y <= 0) && 9 <= i) && x <= 0) && N <= 10)) || ((((((7 <= i && 0 <= x + 4) && i <= 2147483646) && 0 <= 3 + y) && y <= 0) && x <= 0) && N <= 10)) || ((((((10 <= i && 0 <= y + 2147483641) && i <= 2147483646) && y <= 0) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((0 <= x + 4 && y <= 4) && 0 <= y) && i <= 2147483646) && x <= 0) && 8 <= i) && N <= 10)) || ((((((y <= 2 && 0 <= y) && 5 <= i) && i <= 2147483646) && x <= 0) && 0 <= 3 + x) && N <= 10)) || ((((((7 <= i && 0 <= y) && i <= 2147483646) && 0 <= 6 + x) && y <= 1) && x <= 0) && N <= 10)) || (((((0 <= x && 10 <= i) && 0 <= y) && i <= 2147483646) && y <= 0) && N <= 10)) || ((((((y <= 4 && 0 <= y) && 5 <= i) && i <= 2147483646) && 0 <= x + 1) && x <= 0) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483644) && y <= 1) && 8 <= i) && N <= 10)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && y <= 2147483645) && x <= 0) && 8 <= i) && N <= 10)) || ((((((i <= 2147483646 && 0 <= 2 + y) && y <= 0) && 0 <= 2 + x) && x <= 0) && N <= 10) && 4 <= i)) || ((((((0 <= x && 0 <= y) && i <= 2147483646) && x <= 2147483642) && 8 <= i) && y <= 3) && N <= 10) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 20:20:14,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cefb10a-65cd-4ba6-a643-17d7b4fc5649/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE