./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:06:04,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:06:04,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:06:04,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:06:04,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:06:04,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:06:04,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:06:04,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:06:04,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:06:04,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:06:04,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:06:04,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:06:04,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:06:04,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:06:04,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:06:04,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:06:04,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:06:04,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:06:04,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:06:04,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:06:04,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:06:04,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:06:04,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:06:04,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:06:04,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:06:04,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:06:04,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:06:04,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:06:04,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:06:04,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:06:04,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:06:04,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:06:04,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:06:04,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:06:04,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:06:04,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:06:04,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:06:04,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:06:04,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:06:04,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:06:04,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:06:04,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:06:05,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:06:05,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:06:05,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:06:05,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:06:05,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:06:05,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:06:05,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:06:05,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:06:05,033 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:06:05,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:06:05,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:06:05,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:06:05,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:06:05,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:06:05,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:06:05,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:06:05,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:06:05,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:06:05,037 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:06:05,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:06:05,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:06:05,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:06:05,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:06:05,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:06:05,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:06:05,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:06:05,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:06:05,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:06:05,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:06:05,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:06:05,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:06:05,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:06:05,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:06:05,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:06:05,045 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_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2021-11-20 07:06:05,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:06:05,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:06:05,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:06:05,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:06:05,386 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:06:05,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2021-11-20 07:06:05,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/data/3baedd39d/230277a970a94e1692fe1953cfd1b95c/FLAG096cf83bc [2021-11-20 07:06:06,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:06:06,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2021-11-20 07:06:06,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/data/3baedd39d/230277a970a94e1692fe1953cfd1b95c/FLAG096cf83bc [2021-11-20 07:06:06,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/data/3baedd39d/230277a970a94e1692fe1953cfd1b95c [2021-11-20 07:06:06,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:06:06,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:06:06,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:06:06,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:06:06,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:06:06,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:06:06" (1/1) ... [2021-11-20 07:06:06,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717aa190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:06, skipping insertion in model container [2021-11-20 07:06:06,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:06:06" (1/1) ... [2021-11-20 07:06:06,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:06:06,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:06:07,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[33021,33034] [2021-11-20 07:06:07,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[49681,49694] [2021-11-20 07:06:07,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:06:07,286 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:06:07,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[33021,33034] [2021-11-20 07:06:07,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[49681,49694] [2021-11-20 07:06:07,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:06:07,529 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:06:07,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07 WrapperNode [2021-11-20 07:06:07,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:06:07,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:06:07,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:06:07,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:06:07,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,721 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-20 07:06:07,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:06:07,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:06:07,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:06:07,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:06:07,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:06:07,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:06:07,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:06:07,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:06:07,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (1/1) ... [2021-11-20 07:06:07,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:06:07,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:08,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:06:08,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:06:08,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:06:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:06:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:06:08,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:06:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:06:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:06:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:06:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:06:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:06:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:06:08,415 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:06:08,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:06:10,421 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:06:10,444 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:06:10,444 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-20 07:06:10,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:06:10 BoogieIcfgContainer [2021-11-20 07:06:10,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:06:10,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:06:10,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:06:10,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:06:10,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:06:06" (1/3) ... [2021-11-20 07:06:10,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227b4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:06:10, skipping insertion in model container [2021-11-20 07:06:10,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:06:07" (2/3) ... [2021-11-20 07:06:10,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227b4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:06:10, skipping insertion in model container [2021-11-20 07:06:10,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:06:10" (3/3) ... [2021-11-20 07:06:10,467 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-3.i [2021-11-20 07:06:10,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:06:10,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-20 07:06:10,560 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:06:10,574 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 [2021-11-20 07:06:10,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-20 07:06:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 323 states, 299 states have (on average 1.7123745819397993) internal successors, (512), 314 states have internal predecessors, (512), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 07:06:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 07:06:10,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:10,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:06:10,661 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1126982839, now seen corresponding path program 1 times [2021-11-20 07:06:10,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:10,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452916779] [2021-11-20 07:06:10,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:10,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:10,843 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:10,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607234900] [2021-11-20 07:06:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:10,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:10,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:10,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:10,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:06:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:06:11,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:11,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:11,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:11,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452916779] [2021-11-20 07:06:11,195 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:11,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607234900] [2021-11-20 07:06:11,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607234900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:11,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:11,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:11,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493650574] [2021-11-20 07:06:11,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:11,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:11,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:11,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:11,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:11,258 INFO L87 Difference]: Start difference. First operand has 323 states, 299 states have (on average 1.7123745819397993) internal successors, (512), 314 states have internal predecessors, (512), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-20 07:06:11,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:11,455 INFO L93 Difference]: Finished difference Result 896 states and 1510 transitions. [2021-11-20 07:06:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:11,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-20 07:06:11,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:11,482 INFO L225 Difference]: With dead ends: 896 [2021-11-20 07:06:11,482 INFO L226 Difference]: Without dead ends: 521 [2021-11-20 07:06:11,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:11,494 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 314 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:11,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 861 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-11-20 07:06:11,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 341. [2021-11-20 07:06:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 315 states have (on average 1.3460317460317461) internal successors, (424), 332 states have internal predecessors, (424), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:06:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 456 transitions. [2021-11-20 07:06:11,592 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 456 transitions. Word has length 6 [2021-11-20 07:06:11,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:11,593 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 456 transitions. [2021-11-20 07:06:11,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-20 07:06:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2021-11-20 07:06:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 07:06:11,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:11,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:06:11,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:11,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:11,811 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:11,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1126331241, now seen corresponding path program 1 times [2021-11-20 07:06:11,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:11,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869012449] [2021-11-20 07:06:11,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:11,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:11,848 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:11,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2012787267] [2021-11-20 07:06:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:11,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:11,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:11,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:11,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:06:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:12,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:12,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:12,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:12,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869012449] [2021-11-20 07:06:12,110 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:12,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012787267] [2021-11-20 07:06:12,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012787267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:12,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:12,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:06:12,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89173518] [2021-11-20 07:06:12,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:12,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:12,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:12,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:12,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:12,114 INFO L87 Difference]: Start difference. First operand 341 states and 456 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-20 07:06:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:12,192 INFO L93 Difference]: Finished difference Result 522 states and 688 transitions. [2021-11-20 07:06:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:12,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-20 07:06:12,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:12,198 INFO L225 Difference]: With dead ends: 522 [2021-11-20 07:06:12,198 INFO L226 Difference]: Without dead ends: 519 [2021-11-20 07:06:12,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:12,201 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 308 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:12,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 719 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-11-20 07:06:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 345. [2021-11-20 07:06:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 319 states have (on average 1.3385579937304075) internal successors, (427), 336 states have internal predecessors, (427), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:06:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 459 transitions. [2021-11-20 07:06:12,229 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 459 transitions. Word has length 6 [2021-11-20 07:06:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:12,230 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 459 transitions. [2021-11-20 07:06:12,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-20 07:06:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 459 transitions. [2021-11-20 07:06:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:06:12,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:12,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:12,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:12,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:12,455 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)] === [2021-11-20 07:06:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:12,456 INFO L85 PathProgramCache]: Analyzing trace with hash 765811442, now seen corresponding path program 1 times [2021-11-20 07:06:12,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:12,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219167881] [2021-11-20 07:06:12,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:12,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:12,494 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:12,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863736174] [2021-11-20 07:06:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:12,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:12,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:12,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:12,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:06:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:12,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:13,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:13,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:13,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219167881] [2021-11-20 07:06:13,134 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:13,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863736174] [2021-11-20 07:06:13,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863736174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:13,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:13,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:13,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988231764] [2021-11-20 07:06:13,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:13,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:13,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:13,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:13,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:13,143 INFO L87 Difference]: Start difference. First operand 345 states and 459 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2021-11-20 07:06:13,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:13,245 INFO L93 Difference]: Finished difference Result 705 states and 943 transitions. [2021-11-20 07:06:13,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:13,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 103 [2021-11-20 07:06:13,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:13,253 INFO L225 Difference]: With dead ends: 705 [2021-11-20 07:06:13,253 INFO L226 Difference]: Without dead ends: 366 [2021-11-20 07:06:13,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:13,263 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 9 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:13,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 645 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:13,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-20 07:06:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2021-11-20 07:06:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 339 states have (on average 1.3185840707964602) internal successors, (447), 356 states have internal predecessors, (447), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:06:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2021-11-20 07:06:13,283 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 103 [2021-11-20 07:06:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:13,284 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2021-11-20 07:06:13,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2021-11-20 07:06:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2021-11-20 07:06:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:06:13,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:13,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:13,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:13,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:13,515 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:13,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:13,516 INFO L85 PathProgramCache]: Analyzing trace with hash 525571696, now seen corresponding path program 1 times [2021-11-20 07:06:13,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:13,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139006416] [2021-11-20 07:06:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:13,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:13,545 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:13,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564118319] [2021-11-20 07:06:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:13,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:13,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:13,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:13,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:06:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:13,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:14,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:14,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:14,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139006416] [2021-11-20 07:06:14,160 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:14,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564118319] [2021-11-20 07:06:14,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564118319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:14,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:14,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:14,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763853985] [2021-11-20 07:06:14,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:14,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:14,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:14,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:14,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:14,170 INFO L87 Difference]: Start difference. First operand 365 states and 479 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2021-11-20 07:06:14,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:14,304 INFO L93 Difference]: Finished difference Result 745 states and 983 transitions. [2021-11-20 07:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:14,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 103 [2021-11-20 07:06:14,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:14,310 INFO L225 Difference]: With dead ends: 745 [2021-11-20 07:06:14,316 INFO L226 Difference]: Without dead ends: 386 [2021-11-20 07:06:14,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:14,322 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 9 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:14,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 645 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:14,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2021-11-20 07:06:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2021-11-20 07:06:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 359 states have (on average 1.3008356545961002) internal successors, (467), 376 states have internal predecessors, (467), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:06:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 499 transitions. [2021-11-20 07:06:14,361 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 499 transitions. Word has length 103 [2021-11-20 07:06:14,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:14,362 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 499 transitions. [2021-11-20 07:06:14,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2021-11-20 07:06:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 499 transitions. [2021-11-20 07:06:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:06:14,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:14,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:14,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:14,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:14,580 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:14,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 919938482, now seen corresponding path program 1 times [2021-11-20 07:06:14,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:14,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325121105] [2021-11-20 07:06:14,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:14,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:14,623 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:14,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971201692] [2021-11-20 07:06:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:14,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:14,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:14,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:14,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:06:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:14,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:15,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:15,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:15,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325121105] [2021-11-20 07:06:15,235 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:15,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971201692] [2021-11-20 07:06:15,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971201692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:15,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:15,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:06:15,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376825284] [2021-11-20 07:06:15,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:15,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:15,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:15,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:15,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:15,238 INFO L87 Difference]: Start difference. First operand 385 states and 499 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-20 07:06:15,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:15,365 INFO L93 Difference]: Finished difference Result 755 states and 983 transitions. [2021-11-20 07:06:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:15,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2021-11-20 07:06:15,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:15,369 INFO L225 Difference]: With dead ends: 755 [2021-11-20 07:06:15,369 INFO L226 Difference]: Without dead ends: 376 [2021-11-20 07:06:15,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:15,372 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 309 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:15,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 677 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:15,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-20 07:06:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 371. [2021-11-20 07:06:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 345 states have (on average 1.2927536231884058) internal successors, (446), 362 states have internal predecessors, (446), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:06:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 478 transitions. [2021-11-20 07:06:15,391 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 478 transitions. Word has length 103 [2021-11-20 07:06:15,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:15,392 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 478 transitions. [2021-11-20 07:06:15,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-20 07:06:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 478 transitions. [2021-11-20 07:06:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:06:15,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:15,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:15,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:15,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:15,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:15,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:15,616 INFO L85 PathProgramCache]: Analyzing trace with hash 6087360, now seen corresponding path program 1 times [2021-11-20 07:06:15,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:15,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654254439] [2021-11-20 07:06:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:15,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:15,660 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:15,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67412254] [2021-11-20 07:06:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:15,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:15,662 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:15,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:06:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:15,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:15,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:16,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:16,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:16,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654254439] [2021-11-20 07:06:16,210 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:16,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67412254] [2021-11-20 07:06:16,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67412254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:16,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:16,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:06:16,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971443173] [2021-11-20 07:06:16,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:16,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:16,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:16,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:16,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:16,213 INFO L87 Difference]: Start difference. First operand 371 states and 478 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-20 07:06:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:16,326 INFO L93 Difference]: Finished difference Result 816 states and 1050 transitions. [2021-11-20 07:06:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:16,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2021-11-20 07:06:16,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:16,347 INFO L225 Difference]: With dead ends: 816 [2021-11-20 07:06:16,348 INFO L226 Difference]: Without dead ends: 451 [2021-11-20 07:06:16,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:16,351 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 302 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:16,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 972 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:16,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-11-20 07:06:16,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 357. [2021-11-20 07:06:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 331 states have (on average 1.283987915407855) internal successors, (425), 348 states have internal predecessors, (425), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 07:06:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 457 transitions. [2021-11-20 07:06:16,383 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 457 transitions. Word has length 103 [2021-11-20 07:06:16,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:16,384 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 457 transitions. [2021-11-20 07:06:16,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-20 07:06:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 457 transitions. [2021-11-20 07:06:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:06:16,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:16,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:16,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:16,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 07:06:16,603 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2030023538, now seen corresponding path program 1 times [2021-11-20 07:06:16,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:16,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788739016] [2021-11-20 07:06:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:16,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:16,625 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:16,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350173034] [2021-11-20 07:06:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:16,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:16,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:16,627 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:16,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:06:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:16,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:17,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:17,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:17,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788739016] [2021-11-20 07:06:17,177 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:17,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350173034] [2021-11-20 07:06:17,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350173034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:17,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:17,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:17,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224878460] [2021-11-20 07:06:17,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:17,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:17,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:17,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:17,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:17,180 INFO L87 Difference]: Start difference. First operand 357 states and 457 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-20 07:06:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:17,296 INFO L93 Difference]: Finished difference Result 543 states and 681 transitions. [2021-11-20 07:06:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:06:17,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2021-11-20 07:06:17,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:17,302 INFO L225 Difference]: With dead ends: 543 [2021-11-20 07:06:17,302 INFO L226 Difference]: Without dead ends: 542 [2021-11-20 07:06:17,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:17,304 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 199 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:17,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 1055 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:17,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-11-20 07:06:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 538. [2021-11-20 07:06:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 506 states have (on average 1.2529644268774704) internal successors, (634), 523 states have internal predecessors, (634), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 07:06:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 678 transitions. [2021-11-20 07:06:17,330 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 678 transitions. Word has length 103 [2021-11-20 07:06:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:17,331 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 678 transitions. [2021-11-20 07:06:17,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-20 07:06:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 678 transitions. [2021-11-20 07:06:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 07:06:17,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:17,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:17,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:17,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 07:06:17,547 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:17,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:17,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1493778997, now seen corresponding path program 1 times [2021-11-20 07:06:17,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:17,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544852776] [2021-11-20 07:06:17,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:17,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:17,568 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:17,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251895186] [2021-11-20 07:06:17,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:17,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:17,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:17,569 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:17,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:06:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:17,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:17,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:18,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:18,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:18,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544852776] [2021-11-20 07:06:18,213 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:18,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251895186] [2021-11-20 07:06:18,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251895186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:18,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:18,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:18,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775189993] [2021-11-20 07:06:18,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:18,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:18,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:18,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:18,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:18,216 INFO L87 Difference]: Start difference. First operand 538 states and 678 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-20 07:06:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:18,292 INFO L93 Difference]: Finished difference Result 538 states and 678 transitions. [2021-11-20 07:06:18,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:18,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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 104 [2021-11-20 07:06:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:18,298 INFO L225 Difference]: With dead ends: 538 [2021-11-20 07:06:18,298 INFO L226 Difference]: Without dead ends: 536 [2021-11-20 07:06:18,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:18,299 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 202 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:18,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 652 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:06:18,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-11-20 07:06:18,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 535. [2021-11-20 07:06:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 505 states have (on average 1.2495049504950495) internal successors, (631), 520 states have internal predecessors, (631), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 07:06:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 675 transitions. [2021-11-20 07:06:18,332 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 675 transitions. Word has length 104 [2021-11-20 07:06:18,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:18,333 INFO L470 AbstractCegarLoop]: Abstraction has 535 states and 675 transitions. [2021-11-20 07:06:18,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-20 07:06:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 675 transitions. [2021-11-20 07:06:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:06:18,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:18,336 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:18,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:18,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:18,554 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:18,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:18,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1366065166, now seen corresponding path program 1 times [2021-11-20 07:06:18,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:18,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978205770] [2021-11-20 07:06:18,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:18,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:18,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:18,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182190341] [2021-11-20 07:06:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:18,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:18,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:18,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:18,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:06:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:18,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:06:18,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:06:19,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:19,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:19,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978205770] [2021-11-20 07:06:19,482 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:19,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182190341] [2021-11-20 07:06:19,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182190341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:19,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:19,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:19,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396842914] [2021-11-20 07:06:19,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:19,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:19,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:19,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:19,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:19,489 INFO L87 Difference]: Start difference. First operand 535 states and 675 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2021-11-20 07:06:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:19,602 INFO L93 Difference]: Finished difference Result 1001 states and 1288 transitions. [2021-11-20 07:06:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:19,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2021-11-20 07:06:19,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:19,608 INFO L225 Difference]: With dead ends: 1001 [2021-11-20 07:06:19,608 INFO L226 Difference]: Without dead ends: 613 [2021-11-20 07:06:19,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:19,613 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 138 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:19,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 705 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-11-20 07:06:19,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 609. [2021-11-20 07:06:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 569 states have (on average 1.2688927943760984) internal successors, (722), 594 states have internal predecessors, (722), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 07:06:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 786 transitions. [2021-11-20 07:06:19,650 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 786 transitions. Word has length 108 [2021-11-20 07:06:19,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:19,650 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 786 transitions. [2021-11-20 07:06:19,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2021-11-20 07:06:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 786 transitions. [2021-11-20 07:06:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-20 07:06:19,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:19,653 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:19,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:19,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-20 07:06:19,867 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:19,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:19,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1569027453, now seen corresponding path program 1 times [2021-11-20 07:06:19,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:19,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495481877] [2021-11-20 07:06:19,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:19,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:19,886 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:19,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1105493572] [2021-11-20 07:06:19,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:19,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:19,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:19,888 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:19,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 07:06:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:20,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:06:20,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:06:20,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:20,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:20,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495481877] [2021-11-20 07:06:20,640 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:20,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105493572] [2021-11-20 07:06:20,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105493572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:20,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:20,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:20,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902798661] [2021-11-20 07:06:20,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:20,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:20,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:20,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:20,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:20,644 INFO L87 Difference]: Start difference. First operand 609 states and 786 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:06:20,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:20,717 INFO L93 Difference]: Finished difference Result 1158 states and 1504 transitions. [2021-11-20 07:06:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:20,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 123 [2021-11-20 07:06:20,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:20,728 INFO L225 Difference]: With dead ends: 1158 [2021-11-20 07:06:20,728 INFO L226 Difference]: Without dead ends: 607 [2021-11-20 07:06:20,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:20,731 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 15 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:20,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 652 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:06:20,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-11-20 07:06:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2021-11-20 07:06:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 567 states have (on average 1.2680776014109347) internal successors, (719), 592 states have internal predecessors, (719), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 07:06:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 783 transitions. [2021-11-20 07:06:20,767 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 783 transitions. Word has length 123 [2021-11-20 07:06:20,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:20,768 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 783 transitions. [2021-11-20 07:06:20,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:06:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 783 transitions. [2021-11-20 07:06:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-20 07:06:20,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:20,771 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:20,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:20,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:20,999 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)] === [2021-11-20 07:06:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:20,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1849143874, now seen corresponding path program 1 times [2021-11-20 07:06:21,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:21,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924260202] [2021-11-20 07:06:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:21,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:21,022 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:21,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818901248] [2021-11-20 07:06:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:21,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:21,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:21,024 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:21,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 07:06:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:21,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:06:21,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:06:21,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:21,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:21,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924260202] [2021-11-20 07:06:21,869 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:21,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818901248] [2021-11-20 07:06:21,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818901248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:21,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:21,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:06:21,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131670191] [2021-11-20 07:06:21,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:21,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:21,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:21,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:21,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:21,875 INFO L87 Difference]: Start difference. First operand 607 states and 783 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 07:06:21,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:21,956 INFO L93 Difference]: Finished difference Result 1165 states and 1523 transitions. [2021-11-20 07:06:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:21,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 138 [2021-11-20 07:06:21,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:21,963 INFO L225 Difference]: With dead ends: 1165 [2021-11-20 07:06:21,963 INFO L226 Difference]: Without dead ends: 610 [2021-11-20 07:06:21,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:21,965 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 2 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:21,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 983 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:06:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2021-11-20 07:06:21,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2021-11-20 07:06:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 569 states have (on average 1.2688927943760984) internal successors, (722), 595 states have internal predecessors, (722), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 07:06:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 790 transitions. [2021-11-20 07:06:22,003 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 790 transitions. Word has length 138 [2021-11-20 07:06:22,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:22,004 INFO L470 AbstractCegarLoop]: Abstraction has 610 states and 790 transitions. [2021-11-20 07:06:22,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 07:06:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 790 transitions. [2021-11-20 07:06:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-20 07:06:22,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:22,009 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:22,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:22,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:22,223 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:22,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1261986238, now seen corresponding path program 1 times [2021-11-20 07:06:22,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:22,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090521287] [2021-11-20 07:06:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:22,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:22,258 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:22,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538732808] [2021-11-20 07:06:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:22,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:22,262 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:22,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-20 07:06:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:23,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:06:23,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 07:06:23,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:06:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:06:23,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:23,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090521287] [2021-11-20 07:06:23,915 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:23,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538732808] [2021-11-20 07:06:23,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538732808] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:06:23,916 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:06:23,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 07:06:23,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69946497] [2021-11-20 07:06:23,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:06:23,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:06:23,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:23,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:06:23,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:23,919 INFO L87 Difference]: Start difference. First operand 610 states and 790 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:24,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:24,172 INFO L93 Difference]: Finished difference Result 1179 states and 1553 transitions. [2021-11-20 07:06:24,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:06:24,173 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 142 [2021-11-20 07:06:24,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:24,178 INFO L225 Difference]: With dead ends: 1179 [2021-11-20 07:06:24,179 INFO L226 Difference]: Without dead ends: 619 [2021-11-20 07:06:24,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:06:24,181 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 17 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:24,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 975 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:24,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-11-20 07:06:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2021-11-20 07:06:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 577 states have (on average 1.2720970537261698) internal successors, (734), 603 states have internal predecessors, (734), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 07:06:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 802 transitions. [2021-11-20 07:06:24,216 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 802 transitions. Word has length 142 [2021-11-20 07:06:24,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:24,216 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 802 transitions. [2021-11-20 07:06:24,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 802 transitions. [2021-11-20 07:06:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-20 07:06:24,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:24,219 INFO L514 BasicCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:24,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:24,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 07:06:24,447 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:24,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1242459394, now seen corresponding path program 2 times [2021-11-20 07:06:24,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:24,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788680532] [2021-11-20 07:06:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:24,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:24,480 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:24,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14476350] [2021-11-20 07:06:24,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:06:24,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:24,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:24,484 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:24,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-20 07:06:25,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:06:25,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:06:25,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 07:06:25,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-20 07:06:26,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:06:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-20 07:06:26,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:26,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788680532] [2021-11-20 07:06:26,602 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:26,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14476350] [2021-11-20 07:06:26,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14476350] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:06:26,602 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:06:26,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2021-11-20 07:06:26,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809822823] [2021-11-20 07:06:26,603 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:06:26,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:06:26,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:26,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:06:26,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:06:26,605 INFO L87 Difference]: Start difference. First operand 619 states and 802 transitions. Second operand has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:06:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:27,194 INFO L93 Difference]: Finished difference Result 1239 states and 1643 transitions. [2021-11-20 07:06:27,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:06:27,195 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 150 [2021-11-20 07:06:27,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:27,200 INFO L225 Difference]: With dead ends: 1239 [2021-11-20 07:06:27,201 INFO L226 Difference]: Without dead ends: 630 [2021-11-20 07:06:27,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:06:27,207 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 330 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:27,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [353 Valid, 2568 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:06:27,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-20 07:06:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 619. [2021-11-20 07:06:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 577 states have (on average 1.2790294627383016) internal successors, (738), 603 states have internal predecessors, (738), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 07:06:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 806 transitions. [2021-11-20 07:06:27,247 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 806 transitions. Word has length 150 [2021-11-20 07:06:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:27,247 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 806 transitions. [2021-11-20 07:06:27,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:06:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 806 transitions. [2021-11-20 07:06:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-20 07:06:27,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:27,251 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:27,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:27,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 07:06:27,475 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:27,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash -752523582, now seen corresponding path program 3 times [2021-11-20 07:06:27,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:27,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568258084] [2021-11-20 07:06:27,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:27,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:27,510 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:27,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047376349] [2021-11-20 07:06:27,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:06:27,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:27,519 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:27,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-20 07:06:27,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 07:06:27,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:06:27,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:06:27,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:28,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:28,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:28,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568258084] [2021-11-20 07:06:28,351 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:28,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047376349] [2021-11-20 07:06:28,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047376349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:28,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:28,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:28,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843537281] [2021-11-20 07:06:28,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:28,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:06:28,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:28,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:06:28,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:06:28,354 INFO L87 Difference]: Start difference. First operand 619 states and 806 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:28,553 INFO L93 Difference]: Finished difference Result 624 states and 809 transitions. [2021-11-20 07:06:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:06:28,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 162 [2021-11-20 07:06:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:28,559 INFO L225 Difference]: With dead ends: 624 [2021-11-20 07:06:28,559 INFO L226 Difference]: Without dead ends: 621 [2021-11-20 07:06:28,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:28,561 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 758 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:28,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [776 Valid, 1496 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:28,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-11-20 07:06:28,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 525. [2021-11-20 07:06:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 496 states have (on average 1.247983870967742) internal successors, (619), 509 states have internal predecessors, (619), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 07:06:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 667 transitions. [2021-11-20 07:06:28,597 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 667 transitions. Word has length 162 [2021-11-20 07:06:28,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:28,598 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 667 transitions. [2021-11-20 07:06:28,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 667 transitions. [2021-11-20 07:06:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:06:28,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:28,604 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:28,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:28,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:28,819 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:28,820 INFO L85 PathProgramCache]: Analyzing trace with hash 2047047688, now seen corresponding path program 1 times [2021-11-20 07:06:28,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:28,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849439991] [2021-11-20 07:06:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:28,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:28,849 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:28,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762257788] [2021-11-20 07:06:28,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:28,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:28,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:28,851 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:28,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-20 07:06:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:29,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:29,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-11-20 07:06:29,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:29,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:29,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849439991] [2021-11-20 07:06:29,576 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:29,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762257788] [2021-11-20 07:06:29,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762257788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:29,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:29,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:06:29,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802928608] [2021-11-20 07:06:29,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:29,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:06:29,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:29,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:06:29,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:29,579 INFO L87 Difference]: Start difference. First operand 525 states and 667 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:29,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:29,674 INFO L93 Difference]: Finished difference Result 705 states and 919 transitions. [2021-11-20 07:06:29,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:06:29,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 200 [2021-11-20 07:06:29,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:29,680 INFO L225 Difference]: With dead ends: 705 [2021-11-20 07:06:29,680 INFO L226 Difference]: Without dead ends: 567 [2021-11-20 07:06:29,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:06:29,682 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 10 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:29,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 599 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:29,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2021-11-20 07:06:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 565. [2021-11-20 07:06:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 536 states have (on average 1.2294776119402986) internal successors, (659), 549 states have internal predecessors, (659), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 07:06:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 707 transitions. [2021-11-20 07:06:29,711 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 707 transitions. Word has length 200 [2021-11-20 07:06:29,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:29,712 INFO L470 AbstractCegarLoop]: Abstraction has 565 states and 707 transitions. [2021-11-20 07:06:29,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 707 transitions. [2021-11-20 07:06:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:06:29,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:29,717 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:29,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:29,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:29,931 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)] === [2021-11-20 07:06:29,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1249483508, now seen corresponding path program 1 times [2021-11-20 07:06:29,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:29,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307625953] [2021-11-20 07:06:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:29,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:29,958 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:29,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238517233] [2021-11-20 07:06:29,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:29,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:29,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:29,961 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:29,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-20 07:06:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:30,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:30,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-11-20 07:06:30,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:30,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:30,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307625953] [2021-11-20 07:06:30,735 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:30,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238517233] [2021-11-20 07:06:30,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238517233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:30,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:30,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:06:30,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147317471] [2021-11-20 07:06:30,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:30,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:30,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:30,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:30,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:30,739 INFO L87 Difference]: Start difference. First operand 565 states and 707 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:30,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:30,855 INFO L93 Difference]: Finished difference Result 723 states and 917 transitions. [2021-11-20 07:06:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:30,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 200 [2021-11-20 07:06:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:30,864 INFO L225 Difference]: With dead ends: 723 [2021-11-20 07:06:30,864 INFO L226 Difference]: Without dead ends: 545 [2021-11-20 07:06:30,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:30,866 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 85 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:30,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 832 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-11-20 07:06:30,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 537. [2021-11-20 07:06:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 508 states have (on average 1.2145669291338583) internal successors, (617), 521 states have internal predecessors, (617), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 14 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 07:06:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 665 transitions. [2021-11-20 07:06:30,895 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 665 transitions. Word has length 200 [2021-11-20 07:06:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:30,896 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 665 transitions. [2021-11-20 07:06:30,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 665 transitions. [2021-11-20 07:06:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:06:30,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:30,901 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:30,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:31,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-20 07:06:31,115 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:31,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -2132332354, now seen corresponding path program 1 times [2021-11-20 07:06:31,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:31,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931291539] [2021-11-20 07:06:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:31,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:31,143 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:31,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373119903] [2021-11-20 07:06:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:31,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:31,145 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:31,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-20 07:06:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:31,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:06:31,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:32,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:06:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:32,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:32,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931291539] [2021-11-20 07:06:32,607 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:32,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373119903] [2021-11-20 07:06:32,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373119903] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:06:32,607 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:06:32,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 07:06:32,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483005086] [2021-11-20 07:06:32,608 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:06:32,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:06:32,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:32,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:06:32,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:32,609 INFO L87 Difference]: Start difference. First operand 537 states and 665 transitions. Second operand has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:32,830 INFO L93 Difference]: Finished difference Result 1121 states and 1403 transitions. [2021-11-20 07:06:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:06:32,831 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 200 [2021-11-20 07:06:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:32,843 INFO L225 Difference]: With dead ends: 1121 [2021-11-20 07:06:32,844 INFO L226 Difference]: Without dead ends: 969 [2021-11-20 07:06:32,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:06:32,849 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1292 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:32,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1321 Valid, 1831 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2021-11-20 07:06:32,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 722. [2021-11-20 07:06:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 687 states have (on average 1.2066957787481805) internal successors, (829), 700 states have internal predecessors, (829), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 20 states have call predecessors, (34), 28 states have call successors, (34) [2021-11-20 07:06:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 891 transitions. [2021-11-20 07:06:32,909 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 891 transitions. Word has length 200 [2021-11-20 07:06:32,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:32,910 INFO L470 AbstractCegarLoop]: Abstraction has 722 states and 891 transitions. [2021-11-20 07:06:32,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 891 transitions. [2021-11-20 07:06:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-20 07:06:32,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:32,920 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:32,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:33,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 07:06:33,143 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:33,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1983446384, now seen corresponding path program 1 times [2021-11-20 07:06:33,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:33,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977518555] [2021-11-20 07:06:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:33,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:33,174 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:33,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057893971] [2021-11-20 07:06:33,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:33,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:33,179 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:33,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-20 07:06:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:33,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:06:33,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:34,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:06:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:35,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:35,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977518555] [2021-11-20 07:06:35,790 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:35,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057893971] [2021-11-20 07:06:35,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057893971] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:06:35,791 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:06:35,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-11-20 07:06:35,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652431898] [2021-11-20 07:06:35,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:06:35,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 07:06:35,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:35,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 07:06:35,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:06:35,796 INFO L87 Difference]: Start difference. First operand 722 states and 891 transitions. Second operand has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:36,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:36,151 INFO L93 Difference]: Finished difference Result 1155 states and 1440 transitions. [2021-11-20 07:06:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:06:36,152 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 361 [2021-11-20 07:06:36,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:36,162 INFO L225 Difference]: With dead ends: 1155 [2021-11-20 07:06:36,162 INFO L226 Difference]: Without dead ends: 1154 [2021-11-20 07:06:36,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:06:36,164 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 1488 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:36,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1519 Valid, 3075 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:06:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-11-20 07:06:36,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 721. [2021-11-20 07:06:36,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 687 states have (on average 1.205240174672489) internal successors, (828), 699 states have internal predecessors, (828), 28 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (34), 20 states have call predecessors, (34), 28 states have call successors, (34) [2021-11-20 07:06:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 890 transitions. [2021-11-20 07:06:36,218 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 890 transitions. Word has length 361 [2021-11-20 07:06:36,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:36,220 INFO L470 AbstractCegarLoop]: Abstraction has 721 states and 890 transitions. [2021-11-20 07:06:36,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 49.0) internal successors, (637), 14 states have internal predecessors, (637), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 890 transitions. [2021-11-20 07:06:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-20 07:06:36,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:36,233 INFO L514 BasicCegarLoop]: trace histogram [24, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:36,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:36,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-20 07:06:36,447 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:36,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash -952463344, now seen corresponding path program 1 times [2021-11-20 07:06:36,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:36,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391958286] [2021-11-20 07:06:36,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:36,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:36,475 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:36,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703144962] [2021-11-20 07:06:36,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:36,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:36,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:36,493 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:36,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-20 07:06:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:36,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:06:36,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:37,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:06:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:38,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:38,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391958286] [2021-11-20 07:06:38,981 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:38,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703144962] [2021-11-20 07:06:38,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703144962] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:06:38,982 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:06:38,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-20 07:06:38,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157986372] [2021-11-20 07:06:38,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:06:38,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 07:06:38,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:38,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 07:06:38,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:06:38,986 INFO L87 Difference]: Start difference. First operand 721 states and 890 transitions. Second operand has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:39,500 INFO L93 Difference]: Finished difference Result 2143 states and 2669 transitions. [2021-11-20 07:06:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 07:06:39,501 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 404 [2021-11-20 07:06:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:39,517 INFO L225 Difference]: With dead ends: 2143 [2021-11-20 07:06:39,517 INFO L226 Difference]: Without dead ends: 1992 [2021-11-20 07:06:39,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:06:39,520 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 2380 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:39,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2443 Valid, 3947 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:06:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2021-11-20 07:06:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1453. [2021-11-20 07:06:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1395 states have (on average 1.1956989247311829) internal successors, (1668), 1407 states have internal predecessors, (1668), 52 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (66), 44 states have call predecessors, (66), 52 states have call successors, (66) [2021-11-20 07:06:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 1786 transitions. [2021-11-20 07:06:39,635 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 1786 transitions. Word has length 404 [2021-11-20 07:06:39,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:39,636 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 1786 transitions. [2021-11-20 07:06:39,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 42.625) internal successors, (682), 16 states have internal predecessors, (682), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1786 transitions. [2021-11-20 07:06:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2021-11-20 07:06:39,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:39,651 INFO L514 BasicCegarLoop]: trace histogram [24, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:39,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:39,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:39,875 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:39,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1362525620, now seen corresponding path program 2 times [2021-11-20 07:06:39,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:39,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842656906] [2021-11-20 07:06:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:39,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:39,908 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:39,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180596700] [2021-11-20 07:06:39,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:06:39,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:39,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:39,910 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:39,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-20 07:06:40,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:06:40,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:06:40,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:40,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2521 trivial. 0 not checked. [2021-11-20 07:06:42,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:42,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:42,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842656906] [2021-11-20 07:06:42,508 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:42,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180596700] [2021-11-20 07:06:42,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180596700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:42,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:42,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:06:42,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132914578] [2021-11-20 07:06:42,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:42,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:42,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:42,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:42,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:42,513 INFO L87 Difference]: Start difference. First operand 1453 states and 1786 transitions. Second operand has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:42,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:42,600 INFO L93 Difference]: Finished difference Result 1548 states and 1915 transitions. [2021-11-20 07:06:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:06:42,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 812 [2021-11-20 07:06:42,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:42,615 INFO L225 Difference]: With dead ends: 1548 [2021-11-20 07:06:42,615 INFO L226 Difference]: Without dead ends: 1547 [2021-11-20 07:06:42,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 809 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:42,617 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 130 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:42,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 725 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:06:42,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2021-11-20 07:06:42,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1522. [2021-11-20 07:06:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1464 states have (on average 1.194672131147541) internal successors, (1749), 1476 states have internal predecessors, (1749), 52 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (66), 44 states have call predecessors, (66), 52 states have call successors, (66) [2021-11-20 07:06:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1867 transitions. [2021-11-20 07:06:42,691 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1867 transitions. Word has length 812 [2021-11-20 07:06:42,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:42,693 INFO L470 AbstractCegarLoop]: Abstraction has 1522 states and 1867 transitions. [2021-11-20 07:06:42,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1867 transitions. [2021-11-20 07:06:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2021-11-20 07:06:42,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:42,707 INFO L514 BasicCegarLoop]: trace histogram [24, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:42,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:42,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:42,923 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:42,924 INFO L85 PathProgramCache]: Analyzing trace with hash -711377696, now seen corresponding path program 1 times [2021-11-20 07:06:42,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:42,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786251477] [2021-11-20 07:06:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:42,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:42,975 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:42,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781752332] [2021-11-20 07:06:42,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:42,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:42,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:42,977 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:42,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-20 07:06:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:43,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 07:06:43,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 0 proven. 2125 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:46,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:06:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 0 proven. 2125 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-11-20 07:06:48,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:48,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786251477] [2021-11-20 07:06:48,355 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:48,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781752332] [2021-11-20 07:06:48,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781752332] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:06:48,356 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:06:48,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2021-11-20 07:06:48,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306313556] [2021-11-20 07:06:48,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:06:48,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 07:06:48,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:48,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 07:06:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-11-20 07:06:48,362 INFO L87 Difference]: Start difference. First operand 1522 states and 1867 transitions. Second operand has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:49,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:49,138 INFO L93 Difference]: Finished difference Result 2906 states and 3604 transitions. [2021-11-20 07:06:49,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 07:06:49,142 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 813 [2021-11-20 07:06:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:49,164 INFO L225 Difference]: With dead ends: 2906 [2021-11-20 07:06:49,164 INFO L226 Difference]: Without dead ends: 2686 [2021-11-20 07:06:49,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1633 GetRequests, 1604 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=597, Unknown=0, NotChecked=0, Total=870 [2021-11-20 07:06:49,167 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 4103 mSDsluCounter, 4691 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4185 SdHoareTripleChecker+Valid, 5106 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:49,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4185 Valid, 5106 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 07:06:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2021-11-20 07:06:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2071. [2021-11-20 07:06:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1995 states have (on average 1.1924812030075187) internal successors, (2379), 2007 states have internal predecessors, (2379), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 62 states have call predecessors, (90), 70 states have call successors, (90) [2021-11-20 07:06:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2539 transitions. [2021-11-20 07:06:49,287 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2539 transitions. Word has length 813 [2021-11-20 07:06:49,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:49,289 INFO L470 AbstractCegarLoop]: Abstraction has 2071 states and 2539 transitions. [2021-11-20 07:06:49,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 47.38095238095238) internal successors, (995), 21 states have internal predecessors, (995), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:06:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2539 transitions. [2021-11-20 07:06:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2021-11-20 07:06:49,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:49,313 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:49,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:49,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-20 07:06:49,539 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:49,540 INFO L85 PathProgramCache]: Analyzing trace with hash -689163035, now seen corresponding path program 2 times [2021-11-20 07:06:49,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:49,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210245417] [2021-11-20 07:06:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:49,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:49,595 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:49,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374139767] [2021-11-20 07:06:49,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:06:49,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:49,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:49,597 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:49,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-20 07:06:49,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:06:49,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:06:49,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:06:49,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:06:52,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:06:52,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210245417] [2021-11-20 07:06:52,971 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:06:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374139767] [2021-11-20 07:06:52,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374139767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:52,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:52,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:06:52,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842219969] [2021-11-20 07:06:52,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:52,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:52,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:52,975 INFO L87 Difference]: Start difference. First operand 2071 states and 2539 transitions. Second operand has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:53,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:53,066 INFO L93 Difference]: Finished difference Result 2071 states and 2539 transitions. [2021-11-20 07:06:53,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:53,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 1119 [2021-11-20 07:06:53,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:53,085 INFO L225 Difference]: With dead ends: 2071 [2021-11-20 07:06:53,085 INFO L226 Difference]: Without dead ends: 2070 [2021-11-20 07:06:53,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1119 GetRequests, 1116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:53,087 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 151 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:53,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 603 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:06:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2021-11-20 07:06:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2070. [2021-11-20 07:06:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1995 states have (on average 1.1914786967418547) internal successors, (2377), 2006 states have internal predecessors, (2377), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 62 states have call predecessors, (90), 70 states have call successors, (90) [2021-11-20 07:06:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2537 transitions. [2021-11-20 07:06:53,194 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2537 transitions. Word has length 1119 [2021-11-20 07:06:53,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:53,197 INFO L470 AbstractCegarLoop]: Abstraction has 2070 states and 2537 transitions. [2021-11-20 07:06:53,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 07:06:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2537 transitions. [2021-11-20 07:06:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-11-20 07:06:53,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:53,220 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:53,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:06:53,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-20 07:06:53,435 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:06:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:53,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1576743626, now seen corresponding path program 1 times [2021-11-20 07:06:53,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:53,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581894899] [2021-11-20 07:06:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:53,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:53,483 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:06:53,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889126748] [2021-11-20 07:06:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:53,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:06:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:06:53,487 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:06:53,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-20 07:06:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:54,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 3086 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:06:54,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:06:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:06:57,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:07:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:07:00,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:07:00,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581894899] [2021-11-20 07:07:00,640 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:07:00,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889126748] [2021-11-20 07:07:00,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889126748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:07:00,641 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:07:00,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2021-11-20 07:07:00,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195714029] [2021-11-20 07:07:00,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:07:00,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:07:00,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:07:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:07:00,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:07:00,644 INFO L87 Difference]: Start difference. First operand 2070 states and 2537 transitions. Second operand has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-20 07:07:00,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:07:00,959 INFO L93 Difference]: Finished difference Result 2517 states and 3097 transitions. [2021-11-20 07:07:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:07:00,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 1169 [2021-11-20 07:07:00,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:07:00,981 INFO L225 Difference]: With dead ends: 2517 [2021-11-20 07:07:00,981 INFO L226 Difference]: Without dead ends: 2516 [2021-11-20 07:07:00,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2343 GetRequests, 2328 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:07:00,986 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 636 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:07:00,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 1271 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:07:00,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-11-20 07:07:01,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2514. [2021-11-20 07:07:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 2406 states have (on average 1.1924355777223608) internal successors, (2869), 2447 states have internal predecessors, (2869), 100 states have call successors, (100), 6 states have call predecessors, (100), 7 states have return successors, (120), 68 states have call predecessors, (120), 100 states have call successors, (120) [2021-11-20 07:07:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3089 transitions. [2021-11-20 07:07:01,140 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3089 transitions. Word has length 1169 [2021-11-20 07:07:01,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:07:01,143 INFO L470 AbstractCegarLoop]: Abstraction has 2514 states and 3089 transitions. [2021-11-20 07:07:01,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 47.77777777777778) internal successors, (430), 10 states have internal predecessors, (430), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-20 07:07:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3089 transitions. [2021-11-20 07:07:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1323 [2021-11-20 07:07:01,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:07:01,174 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:07:01,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:07:01,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:07:01,399 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:07:01,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:07:01,400 INFO L85 PathProgramCache]: Analyzing trace with hash 723198287, now seen corresponding path program 2 times [2021-11-20 07:07:01,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:07:01,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263607840] [2021-11-20 07:07:01,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:07:01,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:07:01,447 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:07:01,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [898728268] [2021-11-20 07:07:01,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:07:01,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:07:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:07:01,449 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:07:01,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-20 07:07:01,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:07:01,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:07:01,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:07:01,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:07:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5426 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2021-11-20 07:07:04,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:07:04,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:07:04,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263607840] [2021-11-20 07:07:04,110 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:07:04,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898728268] [2021-11-20 07:07:04,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898728268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:07:04,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:07:04,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:07:04,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632423465] [2021-11-20 07:07:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:07:04,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:07:04,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:07:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:07:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:07:04,113 INFO L87 Difference]: Start difference. First operand 2514 states and 3089 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:07:04,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:07:04,189 INFO L93 Difference]: Finished difference Result 2901 states and 3570 transitions. [2021-11-20 07:07:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:07:04,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 1322 [2021-11-20 07:07:04,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:07:04,208 INFO L225 Difference]: With dead ends: 2901 [2021-11-20 07:07:04,208 INFO L226 Difference]: Without dead ends: 2254 [2021-11-20 07:07:04,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1321 GetRequests, 1320 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:07:04,212 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 8 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:07:04,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 616 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:07:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2021-11-20 07:07:04,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2021-11-20 07:07:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 2166 states have (on average 1.185595567867036) internal successors, (2568), 2187 states have internal predecessors, (2568), 80 states have call successors, (80), 6 states have call predecessors, (80), 7 states have return successors, (100), 64 states have call predecessors, (100), 80 states have call successors, (100) [2021-11-20 07:07:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 2748 transitions. [2021-11-20 07:07:04,324 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 2748 transitions. Word has length 1322 [2021-11-20 07:07:04,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:07:04,327 INFO L470 AbstractCegarLoop]: Abstraction has 2254 states and 2748 transitions. [2021-11-20 07:07:04,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:07:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2748 transitions. [2021-11-20 07:07:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2021-11-20 07:07:04,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:07:04,355 INFO L514 BasicCegarLoop]: trace histogram [24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:07:04,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:07:04,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:07:04,571 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:07:04,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:07:04,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1070720850, now seen corresponding path program 1 times [2021-11-20 07:07:04,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:07:04,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032874382] [2021-11-20 07:07:04,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:07:04,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:07:04,624 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:07:04,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558305873] [2021-11-20 07:07:04,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:07:04,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:07:04,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:07:04,625 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:07:04,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-20 07:07:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:07:05,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 3578 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:07:05,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:07:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5546 backedges. 0 proven. 586 refuted. 0 times theorem prover too weak. 4960 trivial. 0 not checked. [2021-11-20 07:07:09,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:07:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5546 backedges. 0 proven. 562 refuted. 0 times theorem prover too weak. 4984 trivial. 0 not checked. [2021-11-20 07:07:12,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:07:12,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032874382] [2021-11-20 07:07:12,963 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:07:12,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558305873] [2021-11-20 07:07:12,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558305873] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:07:12,963 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:07:12,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-11-20 07:07:12,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871912050] [2021-11-20 07:07:12,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:07:12,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 07:07:12,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:07:12,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 07:07:12,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:07:12,968 INFO L87 Difference]: Start difference. First operand 2254 states and 2748 transitions. Second operand has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2021-11-20 07:07:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:07:14,019 INFO L93 Difference]: Finished difference Result 2760 states and 3361 transitions. [2021-11-20 07:07:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-20 07:07:14,020 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 1382 [2021-11-20 07:07:14,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:07:14,040 INFO L225 Difference]: With dead ends: 2760 [2021-11-20 07:07:14,040 INFO L226 Difference]: Without dead ends: 2759 [2021-11-20 07:07:14,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2781 GetRequests, 2742 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2021-11-20 07:07:14,043 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 1313 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:07:14,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1318 Valid, 2629 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 07:07:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2021-11-20 07:07:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 2758. [2021-11-20 07:07:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2634 states have (on average 1.182232346241458) internal successors, (3114), 2685 states have internal predecessors, (3114), 110 states have call successors, (110), 12 states have call predecessors, (110), 13 states have return successors, (130), 70 states have call predecessors, (130), 110 states have call successors, (130) [2021-11-20 07:07:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3354 transitions. [2021-11-20 07:07:14,187 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3354 transitions. Word has length 1382 [2021-11-20 07:07:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:07:14,189 INFO L470 AbstractCegarLoop]: Abstraction has 2758 states and 3354 transitions. [2021-11-20 07:07:14,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 39.76190476190476) internal successors, (835), 22 states have internal predecessors, (835), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2021-11-20 07:07:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3354 transitions. [2021-11-20 07:07:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1761 [2021-11-20 07:07:14,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:07:14,226 INFO L514 BasicCegarLoop]: trace histogram [24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:07:14,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:07:14,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-20 07:07:14,456 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 07:07:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:07:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1249444398, now seen corresponding path program 2 times [2021-11-20 07:07:14,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:07:14,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671008858] [2021-11-20 07:07:14,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:07:14,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:07:14,552 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:07:14,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065230406] [2021-11-20 07:07:14,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:07:14,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:07:14,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:07:14,554 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:07:14,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-20 07:07:15,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:07:15,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:07:15,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:07:15,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:07:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 8315 backedges. 2430 proven. 0 refuted. 0 times theorem prover too weak. 5885 trivial. 0 not checked. [2021-11-20 07:07:18,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:07:18,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:07:18,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671008858] [2021-11-20 07:07:18,825 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:07:18,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065230406] [2021-11-20 07:07:18,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065230406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:07:18,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:07:18,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:07:18,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554503993] [2021-11-20 07:07:18,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:07:18,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:07:18,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:07:18,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:07:18,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:07:18,830 INFO L87 Difference]: Start difference. First operand 2758 states and 3354 transitions. Second operand has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2021-11-20 07:07:19,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:07:19,134 INFO L93 Difference]: Finished difference Result 2758 states and 3354 transitions. [2021-11-20 07:07:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:07:19,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) Word has length 1760 [2021-11-20 07:07:19,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:07:19,138 INFO L225 Difference]: With dead ends: 2758 [2021-11-20 07:07:19,138 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:07:19,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1759 GetRequests, 1753 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:07:19,145 INFO L933 BasicCegarLoop]: 686 mSDtfsCounter, 311 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:07:19,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 1805 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:07:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:07:19,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:07:19,149 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) [2021-11-20 07:07:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:07:19,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1760 [2021-11-20 07:07:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:07:19,150 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:07:19,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 60.25) internal successors, (482), 8 states have internal predecessors, (482), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2021-11-20 07:07:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:07:19,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:07:19,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2021-11-20 07:07:19,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2021-11-20 07:07:19,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2021-11-20 07:07:19,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2021-11-20 07:07:19,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2021-11-20 07:07:19,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2021-11-20 07:07:19,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2021-11-20 07:07:19,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2021-11-20 07:07:19,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2021-11-20 07:07:19,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2021-11-20 07:07:19,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:07:19,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-20 07:07:19,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:07:25,843 WARN L227 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:07:33,436 WARN L227 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:07:39,299 WARN L227 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 78 DAG size of output: 74 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:07:51,853 WARN L227 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:08:03,442 WARN L227 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:08:09,370 WARN L227 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:08:18,943 WARN L227 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 07:08:31,842 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:08:31,842 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-20 07:08:31,843 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-20 07:08:31,843 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:08:31,843 INFO L858 garLoopResultBuilder]: For program point L761-24(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,843 INFO L858 garLoopResultBuilder]: For program point L761-25(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,843 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 736) no Hoare annotation was computed. [2021-11-20 07:08:31,844 INFO L858 garLoopResultBuilder]: For program point L761-27(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,844 INFO L858 garLoopResultBuilder]: For program point L761-28(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,844 INFO L858 garLoopResultBuilder]: For program point L761-29(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,844 INFO L858 garLoopResultBuilder]: For program point L761-30(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,844 INFO L858 garLoopResultBuilder]: For program point L761-31(lines 756 763) no Hoare annotation was computed. [2021-11-20 07:08:31,845 INFO L858 garLoopResultBuilder]: For program point L761-32(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,845 INFO L861 garLoopResultBuilder]: At program point L764(lines 732 765) the Hoare annotation is: true [2021-11-20 07:08:31,845 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 725) no Hoare annotation was computed. [2021-11-20 07:08:31,845 INFO L858 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2021-11-20 07:08:31,845 INFO L858 garLoopResultBuilder]: For program point L708-1(line 708) no Hoare annotation was computed. [2021-11-20 07:08:31,846 INFO L854 garLoopResultBuilder]: At program point L708-2(lines 708 724) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:08:31,846 INFO L858 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2021-11-20 07:08:31,846 INFO L854 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:08:31,847 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 747) no Hoare annotation was computed. [2021-11-20 07:08:31,847 INFO L858 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2021-11-20 07:08:31,847 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:08:31,847 INFO L858 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2021-11-20 07:08:31,848 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 746) no Hoare annotation was computed. [2021-11-20 07:08:31,848 INFO L854 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:08:31,848 INFO L858 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2021-11-20 07:08:31,848 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:08:31,849 INFO L854 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:08:31,849 INFO L858 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2021-11-20 07:08:31,849 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= 0 |ULTIMATE.start_test_int_int_#t~post3#1|)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse3 (let ((.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 3) .cse1 .cse2 .cse3 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_int_int_#t~post3#1| 4) (<= ~count_int_int~0 2147483642) .cse3 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~count_int_int~0 1) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 0)) (and (<= |ULTIMATE.start_test_int_int_#t~post3#1| 2) .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 .cse3 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_test_int_int_#t~post3#1| 1) .cse3 (<= ~count_int_int~0 2)))) [2021-11-20 07:08:31,850 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 742) no Hoare annotation was computed. [2021-11-20 07:08:31,850 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:08:31,850 INFO L858 garLoopResultBuilder]: For program point L736-2(lines 736 745) no Hoare annotation was computed. [2021-11-20 07:08:31,850 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 736) no Hoare annotation was computed. [2021-11-20 07:08:31,850 INFO L858 garLoopResultBuilder]: For program point L736-3(line 736) no Hoare annotation was computed. [2021-11-20 07:08:31,851 INFO L858 garLoopResultBuilder]: For program point L736-4(line 736) no Hoare annotation was computed. [2021-11-20 07:08:31,851 INFO L854 garLoopResultBuilder]: At program point L736-5(lines 736 745) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483645) .cse1 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4) (= 4 |ULTIMATE.start_main_~_hj_k~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)))) [2021-11-20 07:08:31,851 INFO L858 garLoopResultBuilder]: For program point L736-6(lines 736 745) no Hoare annotation was computed. [2021-11-20 07:08:31,851 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2021-11-20 07:08:31,852 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 740) no Hoare annotation was computed. [2021-11-20 07:08:31,852 INFO L858 garLoopResultBuilder]: For program point L738-2(lines 738 740) no Hoare annotation was computed. [2021-11-20 07:08:31,852 INFO L858 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2021-11-20 07:08:31,852 INFO L858 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2021-11-20 07:08:31,852 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 747) no Hoare annotation was computed. [2021-11-20 07:08:31,853 INFO L858 garLoopResultBuilder]: For program point L743-5(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,853 INFO L854 garLoopResultBuilder]: At program point L743-6(line 743) the Hoare annotation is: false [2021-11-20 07:08:31,853 INFO L858 garLoopResultBuilder]: For program point L743-7(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,853 INFO L854 garLoopResultBuilder]: At program point L743-8(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2))) [2021-11-20 07:08:31,854 INFO L858 garLoopResultBuilder]: For program point L743-9(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,854 INFO L858 garLoopResultBuilder]: For program point L743-10(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,854 INFO L858 garLoopResultBuilder]: For program point L743-12(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,854 INFO L858 garLoopResultBuilder]: For program point L743-13(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,854 INFO L858 garLoopResultBuilder]: For program point L743-15(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,855 INFO L858 garLoopResultBuilder]: For program point L743-16(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,855 INFO L858 garLoopResultBuilder]: For program point L743-18(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,855 INFO L858 garLoopResultBuilder]: For program point L743-19(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,855 INFO L858 garLoopResultBuilder]: For program point L743-21(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,855 INFO L858 garLoopResultBuilder]: For program point L743-22(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,855 INFO L858 garLoopResultBuilder]: For program point L743-24(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,856 INFO L858 garLoopResultBuilder]: For program point L743-25(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,856 INFO L858 garLoopResultBuilder]: For program point L743-27(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,856 INFO L858 garLoopResultBuilder]: For program point L743-28(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,856 INFO L858 garLoopResultBuilder]: For program point L743-30(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,856 INFO L858 garLoopResultBuilder]: For program point L743-31(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,857 INFO L858 garLoopResultBuilder]: For program point L743-33(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,857 INFO L858 garLoopResultBuilder]: For program point L743-34(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,857 INFO L858 garLoopResultBuilder]: For program point L744-4(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,857 INFO L858 garLoopResultBuilder]: For program point L743-36(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,858 INFO L854 garLoopResultBuilder]: At program point L744-5(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,858 INFO L858 garLoopResultBuilder]: For program point L743-37(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,858 INFO L858 garLoopResultBuilder]: For program point L744-6(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,858 INFO L854 garLoopResultBuilder]: At program point L744-7(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,858 INFO L858 garLoopResultBuilder]: For program point L743-39(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,859 INFO L858 garLoopResultBuilder]: For program point L744-8(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,859 INFO L858 garLoopResultBuilder]: For program point L743-40(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,859 INFO L858 garLoopResultBuilder]: For program point L744-9(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,859 INFO L858 garLoopResultBuilder]: For program point L743-42(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,859 INFO L858 garLoopResultBuilder]: For program point L744-11(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,860 INFO L858 garLoopResultBuilder]: For program point L744-12(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,860 INFO L858 garLoopResultBuilder]: For program point L743-44(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,860 INFO L854 garLoopResultBuilder]: At program point L743-45(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2))) [2021-11-20 07:08:31,860 INFO L858 garLoopResultBuilder]: For program point L744-14(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,860 INFO L858 garLoopResultBuilder]: For program point L743-46(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,861 INFO L858 garLoopResultBuilder]: For program point L744-15(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,861 INFO L854 garLoopResultBuilder]: At program point L743-47(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,861 INFO L858 garLoopResultBuilder]: For program point L743-48(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,861 INFO L858 garLoopResultBuilder]: For program point L744-17(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,862 INFO L854 garLoopResultBuilder]: At program point L743-49(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,862 INFO L858 garLoopResultBuilder]: For program point L744-18(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,862 INFO L858 garLoopResultBuilder]: For program point L743-51(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,862 INFO L858 garLoopResultBuilder]: For program point L744-20(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,862 INFO L858 garLoopResultBuilder]: For program point L744-21(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,863 INFO L858 garLoopResultBuilder]: For program point L743-53(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,863 INFO L858 garLoopResultBuilder]: For program point L744-23(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,863 INFO L854 garLoopResultBuilder]: At program point L743-55(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~users~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~users~0#1.base| 0)) (.cse3 (<= ~count_int_int~0 0)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,863 INFO L858 garLoopResultBuilder]: For program point L744-24(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,864 INFO L858 garLoopResultBuilder]: For program point L743-56(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,864 INFO L858 garLoopResultBuilder]: For program point L743-57(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,864 INFO L858 garLoopResultBuilder]: For program point L744-26(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,864 INFO L858 garLoopResultBuilder]: For program point L744-27(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,864 INFO L854 garLoopResultBuilder]: At program point L743-59(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~users~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~users~0#1.base| 0)) (.cse3 (<= ~count_int_int~0 0)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,865 INFO L858 garLoopResultBuilder]: For program point L743-60(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,865 INFO L858 garLoopResultBuilder]: For program point L744-29(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,865 INFO L858 garLoopResultBuilder]: For program point L743-61(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,865 INFO L858 garLoopResultBuilder]: For program point L744-30(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,865 INFO L854 garLoopResultBuilder]: At program point L743-62(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~users~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~users~0#1.base| 0)) (.cse3 (<= ~count_int_int~0 0)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,866 INFO L858 garLoopResultBuilder]: For program point L743-63(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,866 INFO L858 garLoopResultBuilder]: For program point L744-32(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,866 INFO L858 garLoopResultBuilder]: For program point L744-33(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,866 INFO L858 garLoopResultBuilder]: For program point L743-66(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,866 INFO L858 garLoopResultBuilder]: For program point L744-35(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,867 INFO L854 garLoopResultBuilder]: At program point L743-67(line 743) the Hoare annotation is: (and (<= 0 ~count_int_int~0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= ~count_int_int~0 0) (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) [2021-11-20 07:08:31,867 INFO L858 garLoopResultBuilder]: For program point L744-36(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,867 INFO L858 garLoopResultBuilder]: For program point L744-38(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,867 INFO L858 garLoopResultBuilder]: For program point L743-70(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,867 INFO L858 garLoopResultBuilder]: For program point L744-39(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,868 INFO L854 garLoopResultBuilder]: At program point L743-71(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,868 INFO L858 garLoopResultBuilder]: For program point L744-41(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,868 INFO L858 garLoopResultBuilder]: For program point L743-73(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,868 INFO L858 garLoopResultBuilder]: For program point L744-43(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,868 INFO L858 garLoopResultBuilder]: For program point L743-75(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,869 INFO L854 garLoopResultBuilder]: At program point L744-44(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,869 INFO L858 garLoopResultBuilder]: For program point L743-76(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,869 INFO L858 garLoopResultBuilder]: For program point L744-45(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,869 INFO L854 garLoopResultBuilder]: At program point L744-46(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,870 INFO L858 garLoopResultBuilder]: For program point L743-78(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,870 INFO L858 garLoopResultBuilder]: For program point L744-47(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,870 INFO L854 garLoopResultBuilder]: At program point L744-48(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,870 INFO L858 garLoopResultBuilder]: For program point L743-80(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,870 INFO L858 garLoopResultBuilder]: For program point L744-50(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,871 INFO L854 garLoopResultBuilder]: At program point L743-82(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,871 INFO L858 garLoopResultBuilder]: For program point L743-83(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,871 INFO L858 garLoopResultBuilder]: For program point L744-52(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,871 INFO L858 garLoopResultBuilder]: For program point L743-84(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,872 INFO L854 garLoopResultBuilder]: At program point L744-54(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= |ULTIMATE.start_main_~altusers~0#1.base| 0)) (.cse3 (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,872 INFO L858 garLoopResultBuilder]: For program point L743-86(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,872 INFO L858 garLoopResultBuilder]: For program point L744-55(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,872 INFO L858 garLoopResultBuilder]: For program point L744-56(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,872 INFO L858 garLoopResultBuilder]: For program point L743-88(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,873 INFO L854 garLoopResultBuilder]: At program point L744-58(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= |ULTIMATE.start_main_~altusers~0#1.base| 0)) (.cse3 (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,873 INFO L858 garLoopResultBuilder]: For program point L744-59(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,873 INFO L858 garLoopResultBuilder]: For program point L744-60(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,873 INFO L854 garLoopResultBuilder]: At program point L744-61(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= |ULTIMATE.start_main_~altusers~0#1.base| 0)) (.cse3 (= |ULTIMATE.start_main_~altusers~0#1.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse5 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,874 INFO L858 garLoopResultBuilder]: For program point L743-93(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,874 INFO L858 garLoopResultBuilder]: For program point L744-62(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,874 INFO L854 garLoopResultBuilder]: At program point L743-94(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,874 INFO L858 garLoopResultBuilder]: For program point L743-95(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,874 INFO L858 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-11-20 07:08:31,875 INFO L858 garLoopResultBuilder]: For program point L743-96(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,875 INFO L858 garLoopResultBuilder]: For program point L744-65(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,875 INFO L858 garLoopResultBuilder]: For program point L746-3(line 746) no Hoare annotation was computed. [2021-11-20 07:08:31,875 INFO L858 garLoopResultBuilder]: For program point L743-97(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,875 INFO L854 garLoopResultBuilder]: At program point L744-66(line 744) the Hoare annotation is: (and (<= 0 ~count_int_int~0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= ~count_int_int~0 0) (<= |ULTIMATE.start_main_~_hj_k~1#1| 4) (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) [2021-11-20 07:08:31,876 INFO L854 garLoopResultBuilder]: At program point L746-4(lines 746 754) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4)))) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 2147483646))) (or (and .cse0 (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= ~count_int_int~0 2147483642)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= ~count_int_int~0 1)))) [2021-11-20 07:08:31,876 INFO L858 garLoopResultBuilder]: For program point L746-5(lines 746 754) no Hoare annotation was computed. [2021-11-20 07:08:31,876 INFO L858 garLoopResultBuilder]: For program point L743-100(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,876 INFO L858 garLoopResultBuilder]: For program point L744-69(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,876 INFO L858 garLoopResultBuilder]: For program point L743-101(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,877 INFO L854 garLoopResultBuilder]: At program point L744-70(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,877 INFO L858 garLoopResultBuilder]: For program point L743-103(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,877 INFO L858 garLoopResultBuilder]: For program point L744-72(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,877 INFO L854 garLoopResultBuilder]: At program point L743-104(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,878 INFO L858 garLoopResultBuilder]: For program point L743-105(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,878 INFO L858 garLoopResultBuilder]: For program point L744-74(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,878 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:08:31,878 INFO L854 garLoopResultBuilder]: At program point L743-106(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,878 INFO L858 garLoopResultBuilder]: For program point L744-75(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,879 INFO L858 garLoopResultBuilder]: For program point L743-107(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,879 INFO L858 garLoopResultBuilder]: For program point L743-108(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,879 INFO L858 garLoopResultBuilder]: For program point L744-77(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,879 INFO L858 garLoopResultBuilder]: For program point L743-110(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,879 INFO L858 garLoopResultBuilder]: For program point L744-79(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,880 INFO L858 garLoopResultBuilder]: For program point L743-111(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,880 INFO L854 garLoopResultBuilder]: At program point L744-81(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,880 INFO L858 garLoopResultBuilder]: For program point L743-113(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,880 INFO L858 garLoopResultBuilder]: For program point L744-82(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,880 INFO L858 garLoopResultBuilder]: For program point L743-114(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,881 INFO L858 garLoopResultBuilder]: For program point L744-83(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,881 INFO L854 garLoopResultBuilder]: At program point L743-115(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~i~0#1| 10)))) [2021-11-20 07:08:31,881 INFO L858 garLoopResultBuilder]: For program point L744-85(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,881 INFO L858 garLoopResultBuilder]: For program point L743-117(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,882 INFO L858 garLoopResultBuilder]: For program point L743-118(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,882 INFO L858 garLoopResultBuilder]: For program point L744-87(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,882 INFO L858 garLoopResultBuilder]: For program point L743-119(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,882 INFO L858 garLoopResultBuilder]: For program point L743-120(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,882 INFO L858 garLoopResultBuilder]: For program point L743-121(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,882 INFO L858 garLoopResultBuilder]: For program point L743-122(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,883 INFO L858 garLoopResultBuilder]: For program point L743-123(line 743) no Hoare annotation was computed. [2021-11-20 07:08:31,883 INFO L858 garLoopResultBuilder]: For program point L744-92(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,883 INFO L854 garLoopResultBuilder]: At program point L743-124(line 743) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|) (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) .cse1 (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,883 INFO L854 garLoopResultBuilder]: At program point L744-93(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,884 INFO L858 garLoopResultBuilder]: For program point L747(line 747) no Hoare annotation was computed. [2021-11-20 07:08:31,884 INFO L858 garLoopResultBuilder]: For program point L744-94(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,884 INFO L858 garLoopResultBuilder]: For program point L747-1(line 747) no Hoare annotation was computed. [2021-11-20 07:08:31,884 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 746) no Hoare annotation was computed. [2021-11-20 07:08:31,884 INFO L858 garLoopResultBuilder]: For program point L744-95(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,885 INFO L858 garLoopResultBuilder]: For program point L744-96(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,885 INFO L858 garLoopResultBuilder]: For program point L744-99(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,885 INFO L858 garLoopResultBuilder]: For program point L744-100(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,885 INFO L858 garLoopResultBuilder]: For program point L744-102(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,885 INFO L854 garLoopResultBuilder]: At program point L744-103(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,886 INFO L858 garLoopResultBuilder]: For program point L744-104(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,886 INFO L854 garLoopResultBuilder]: At program point L744-105(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,886 INFO L858 garLoopResultBuilder]: For program point L744-106(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,886 INFO L858 garLoopResultBuilder]: For program point L744-107(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,887 INFO L858 garLoopResultBuilder]: For program point L744-109(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,887 INFO L858 garLoopResultBuilder]: For program point L744-110(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,887 INFO L858 garLoopResultBuilder]: For program point L744-112(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,887 INFO L858 garLoopResultBuilder]: For program point L744-113(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,887 INFO L854 garLoopResultBuilder]: At program point L744-114(line 744) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= ~count_int_int~0 0)) (.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse3))) [2021-11-20 07:08:31,888 INFO L858 garLoopResultBuilder]: For program point L744-116(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,888 INFO L858 garLoopResultBuilder]: For program point L744-117(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,888 INFO L858 garLoopResultBuilder]: For program point L744-118(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,888 INFO L858 garLoopResultBuilder]: For program point L744-119(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,888 INFO L858 garLoopResultBuilder]: For program point L744-120(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,889 INFO L858 garLoopResultBuilder]: For program point L744-121(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,889 INFO L858 garLoopResultBuilder]: For program point L744-122(line 744) no Hoare annotation was computed. [2021-11-20 07:08:31,889 INFO L858 garLoopResultBuilder]: For program point L744-123(lines 736 745) no Hoare annotation was computed. [2021-11-20 07:08:31,889 INFO L858 garLoopResultBuilder]: For program point L748-5(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,889 INFO L854 garLoopResultBuilder]: At program point L748-6(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,890 INFO L858 garLoopResultBuilder]: For program point L748-7(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,890 INFO L854 garLoopResultBuilder]: At program point L748-8(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,890 INFO L858 garLoopResultBuilder]: For program point L748-9(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,890 INFO L858 garLoopResultBuilder]: For program point L748-10(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,891 INFO L858 garLoopResultBuilder]: For program point L748-12(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,891 INFO L858 garLoopResultBuilder]: For program point L748-13(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,891 INFO L858 garLoopResultBuilder]: For program point L748-15(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,891 INFO L858 garLoopResultBuilder]: For program point L748-16(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,891 INFO L858 garLoopResultBuilder]: For program point L748-18(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,892 INFO L858 garLoopResultBuilder]: For program point L748-19(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,892 INFO L858 garLoopResultBuilder]: For program point L748-21(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,892 INFO L858 garLoopResultBuilder]: For program point L748-22(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,892 INFO L858 garLoopResultBuilder]: For program point L748-24(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,892 INFO L858 garLoopResultBuilder]: For program point L748-25(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,893 INFO L858 garLoopResultBuilder]: For program point L748-27(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,893 INFO L858 garLoopResultBuilder]: For program point L748-28(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,893 INFO L858 garLoopResultBuilder]: For program point L748-30(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,893 INFO L858 garLoopResultBuilder]: For program point L748-31(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,893 INFO L858 garLoopResultBuilder]: For program point L748-33(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,893 INFO L858 garLoopResultBuilder]: For program point L748-34(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,894 INFO L858 garLoopResultBuilder]: For program point L748-36(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,894 INFO L858 garLoopResultBuilder]: For program point L748-37(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,894 INFO L858 garLoopResultBuilder]: For program point L748-39(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,894 INFO L858 garLoopResultBuilder]: For program point L748-40(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,894 INFO L858 garLoopResultBuilder]: For program point L748-42(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,895 INFO L858 garLoopResultBuilder]: For program point L748-44(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,895 INFO L854 garLoopResultBuilder]: At program point L748-45(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,895 INFO L858 garLoopResultBuilder]: For program point L748-46(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,895 INFO L854 garLoopResultBuilder]: At program point L748-47(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 .cse1 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1))) [2021-11-20 07:08:31,896 INFO L858 garLoopResultBuilder]: For program point L748-48(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,896 INFO L854 garLoopResultBuilder]: At program point L748-49(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 .cse1 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1))) [2021-11-20 07:08:31,896 INFO L858 garLoopResultBuilder]: For program point L748-51(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,896 INFO L858 garLoopResultBuilder]: For program point L748-53(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,897 INFO L854 garLoopResultBuilder]: At program point L748-54(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1.base| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse4 (let ((.cse5 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse6 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 (<= ~count_int_int~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse2 .cse3 .cse4) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 3) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,897 INFO L858 garLoopResultBuilder]: For program point L748-55(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,897 INFO L858 garLoopResultBuilder]: For program point L748-56(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,897 INFO L858 garLoopResultBuilder]: For program point L748-58(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,898 INFO L854 garLoopResultBuilder]: At program point L748-59(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1.base| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse4 (let ((.cse5 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse6 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 (<= ~count_int_int~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse2 .cse3 .cse4) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 3) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,898 INFO L858 garLoopResultBuilder]: For program point L748-63(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,898 INFO L858 garLoopResultBuilder]: For program point L748-65(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,898 INFO L858 garLoopResultBuilder]: For program point L748-66(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,898 INFO L858 garLoopResultBuilder]: For program point L748-69(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,899 INFO L858 garLoopResultBuilder]: For program point L748-70(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,899 INFO L858 garLoopResultBuilder]: For program point L748-72(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,899 INFO L854 garLoopResultBuilder]: At program point L748-73(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse2 (let ((.cse3 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse4 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse3 .cse4 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1 .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 .cse2 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 (<= 8 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,900 INFO L858 garLoopResultBuilder]: For program point L748-75(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,900 INFO L858 garLoopResultBuilder]: For program point L748-76(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,900 INFO L854 garLoopResultBuilder]: At program point L748-77(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1.base| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1.offset| 0)) (.cse3 (<= |ULTIMATE.start_main_~_hj_k~2#1| 4)) (.cse4 (let ((.cse5 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse6 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 (<= ~count_int_int~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse2 .cse3 .cse4) (and (<= ~count_int_int~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 3) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)))) [2021-11-20 07:08:31,900 INFO L858 garLoopResultBuilder]: For program point L748-80(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,900 INFO L858 garLoopResultBuilder]: For program point L748-81(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,901 INFO L858 garLoopResultBuilder]: For program point L748-82(line 748) no Hoare annotation was computed. [2021-11-20 07:08:31,901 INFO L854 garLoopResultBuilder]: At program point L748-83(line 748) the Hoare annotation is: (let ((.cse0 (<= 0 ~count_int_int~0)) (.cse1 (let ((.cse2 (<= |ULTIMATE.start_main_~_hj_k~1#1| 4)) (.cse3 (= 4 |ULTIMATE.start_main_~_hj_k~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 10)))))) (or (and (<= ~count_int_int~0 4) .cse0 .cse1 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= ~count_int_int~0 2) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= ~count_int_int~0 1)) (and .cse0 (<= ~count_int_int~0 3) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= ~count_int_int~0 0) .cse1))) [2021-11-20 07:08:31,901 INFO L858 garLoopResultBuilder]: For program point L748-84(lines 746 754) no Hoare annotation was computed. [2021-11-20 07:08:31,901 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2021-11-20 07:08:31,902 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 742) no Hoare annotation was computed. [2021-11-20 07:08:31,902 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:08:31,902 INFO L858 garLoopResultBuilder]: For program point L756(line 756) no Hoare annotation was computed. [2021-11-20 07:08:31,902 INFO L858 garLoopResultBuilder]: For program point L756-2(line 756) no Hoare annotation was computed. [2021-11-20 07:08:31,902 INFO L858 garLoopResultBuilder]: For program point L756-5(lines 756 763) no Hoare annotation was computed. [2021-11-20 07:08:31,903 INFO L858 garLoopResultBuilder]: For program point L756-6(line 756) no Hoare annotation was computed. [2021-11-20 07:08:31,903 INFO L858 garLoopResultBuilder]: For program point L756-8(line 756) no Hoare annotation was computed. [2021-11-20 07:08:31,903 INFO L861 garLoopResultBuilder]: At program point L756-9(lines 756 763) the Hoare annotation is: true [2021-11-20 07:08:31,903 INFO L858 garLoopResultBuilder]: For program point L756-10(lines 756 763) no Hoare annotation was computed. [2021-11-20 07:08:31,903 INFO L858 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,904 INFO L858 garLoopResultBuilder]: For program point L760-3(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,904 INFO L858 garLoopResultBuilder]: For program point L760-5(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,904 INFO L858 garLoopResultBuilder]: For program point L760-7(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,904 INFO L858 garLoopResultBuilder]: For program point L760-8(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,904 INFO L858 garLoopResultBuilder]: For program point L760-11(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,905 INFO L861 garLoopResultBuilder]: At program point L760-12(line 760) the Hoare annotation is: true [2021-11-20 07:08:31,905 INFO L858 garLoopResultBuilder]: For program point L760-13(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,905 INFO L858 garLoopResultBuilder]: For program point L760-14(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,905 INFO L858 garLoopResultBuilder]: For program point L760-17(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,905 INFO L858 garLoopResultBuilder]: For program point L760-18(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,906 INFO L858 garLoopResultBuilder]: For program point L760-20(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,906 INFO L858 garLoopResultBuilder]: For program point L760-22(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,906 INFO L858 garLoopResultBuilder]: For program point L760-23(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,906 INFO L858 garLoopResultBuilder]: For program point L760-25(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,906 INFO L858 garLoopResultBuilder]: For program point L760-26(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,907 INFO L858 garLoopResultBuilder]: For program point L760-28(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,907 INFO L858 garLoopResultBuilder]: For program point L760-29(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,907 INFO L858 garLoopResultBuilder]: For program point L760-30(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,907 INFO L858 garLoopResultBuilder]: For program point L760-31(line 760) no Hoare annotation was computed. [2021-11-20 07:08:31,907 INFO L858 garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,908 INFO L861 garLoopResultBuilder]: At program point L760-32(line 760) the Hoare annotation is: true [2021-11-20 07:08:31,908 INFO L858 garLoopResultBuilder]: For program point L761-2(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,908 INFO L858 garLoopResultBuilder]: For program point L761-4(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,908 INFO L858 garLoopResultBuilder]: For program point L761-6(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,908 INFO L858 garLoopResultBuilder]: For program point L761-7(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,909 INFO L858 garLoopResultBuilder]: For program point L761-10(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,909 INFO L861 garLoopResultBuilder]: At program point L761-11(line 761) the Hoare annotation is: true [2021-11-20 07:08:31,909 INFO L858 garLoopResultBuilder]: For program point L761-12(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,909 INFO L858 garLoopResultBuilder]: For program point L761-13(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,909 INFO L858 garLoopResultBuilder]: For program point L761-16(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,909 INFO L858 garLoopResultBuilder]: For program point L761-17(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,910 INFO L858 garLoopResultBuilder]: For program point L761-19(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,910 INFO L858 garLoopResultBuilder]: For program point L761-21(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,910 INFO L858 garLoopResultBuilder]: For program point L761-22(line 761) no Hoare annotation was computed. [2021-11-20 07:08:31,910 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 701 705) the Hoare annotation is: true [2021-11-20 07:08:31,910 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2021-11-20 07:08:31,911 INFO L858 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2021-11-20 07:08:31,911 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2021-11-20 07:08:31,915 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:31,917 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:08:31,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:08:31 BoogieIcfgContainer [2021-11-20 07:08:31,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:08:31,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:08:31,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:08:31,997 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:08:31,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:06:10" (3/4) ... [2021-11-20 07:08:32,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:08:32,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-20 07:08:32,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 07:08:32,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-20 07:08:32,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-20 07:08:32,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:08:32,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:08:32,192 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:08:32,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:08:32,194 INFO L158 Benchmark]: Toolchain (without parser) took 145809.78ms. Allocated memory was 88.1MB in the beginning and 570.4MB in the end (delta: 482.3MB). Free memory was 50.3MB in the beginning and 273.0MB in the end (delta: -222.6MB). Peak memory consumption was 259.0MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,194 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:08:32,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1145.02ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.1MB in the beginning and 73.5MB in the end (delta: -23.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.65ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 63.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,195 INFO L158 Benchmark]: Boogie Preprocessor took 211.70ms. Allocated memory is still 130.0MB. Free memory was 63.6MB in the beginning and 52.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,196 INFO L158 Benchmark]: RCFGBuilder took 2512.24ms. Allocated memory is still 130.0MB. Free memory was 52.0MB in the beginning and 48.5MB in the end (delta: 3.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,196 INFO L158 Benchmark]: TraceAbstraction took 141543.84ms. Allocated memory was 130.0MB in the beginning and 570.4MB in the end (delta: 440.4MB). Free memory was 47.9MB in the beginning and 290.8MB in the end (delta: -242.8MB). Peak memory consumption was 310.6MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,197 INFO L158 Benchmark]: Witness Printer took 196.99ms. Allocated memory is still 570.4MB. Free memory was 290.8MB in the beginning and 273.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 07:08:32,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1145.02ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.1MB in the beginning and 73.5MB in the end (delta: -23.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.65ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 63.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 211.70ms. Allocated memory is still 130.0MB. Free memory was 63.6MB in the beginning and 52.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2512.24ms. Allocated memory is still 130.0MB. Free memory was 52.0MB in the beginning and 48.5MB in the end (delta: 3.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 141543.84ms. Allocated memory was 130.0MB in the beginning and 570.4MB in the end (delta: 440.4MB). Free memory was 47.9MB in the beginning and 290.8MB in the end (delta: -242.8MB). Peak memory consumption was 310.6MB. Max. memory is 16.1GB. * Witness Printer took 196.99ms. Allocated memory is still 570.4MB. Free memory was 290.8MB in the beginning and 273.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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: 742]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 742]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 736]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 736]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: 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 3 procedures, 323 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 141.4s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.2s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 72.5s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15189 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14819 mSDsluCounter, 36644 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26999 mSDsCounter, 1002 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2466 IncrementalHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1002 mSolverCounterUnsat, 9645 mSDtfsCounter, 2466 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15853 GetRequests, 15652 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2758occurred in iteration=25, InterpolantAutomatonStates: 206, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 2443 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 611 PreInvPairs, 1411 NumberOfFragments, 4677 HoareAnnotationTreeSize, 611 FomulaSimplifications, 481637 FormulaSimplificationTreeSizeReduction, 66.9s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1011751 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.0s SsaConstructionTime, 6.0s SatisfiabilityAnalysisTime, 40.6s InterpolantComputationTime, 11196 NumberOfCodeBlocks, 7983 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 15783 ConstructedInterpolants, 0 QuantifiedInterpolants, 37780 SizeOfPredicates, 40 NumberOfNonLiveVariables, 22810 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 34 InterpolantComputations, 18 PerfectInterpolantSequences, 45796/52546 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: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((count_int_int <= 4 && 0 <= count_int_int) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) || (((0 <= count_int_int && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || (((0 <= count_int_int && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || (((0 <= count_int_int && count_int_int <= 3) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || (((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((((0 <= count_int_int && 1 <= i) && users == 0) && users == 0) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((((((0 <= count_int_int && 10 <= i) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && count_int_int <= 2147483642) || ((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646)) || ((((count_int_int <= 4 && 0 <= count_int_int) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && 8 <= i)) || ((((0 <= count_int_int && count_int_int <= 3) && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && 6 <= i)) || ((((0 <= count_int_int && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && count_int_int <= 2) && 4 <= i)) || ((((0 <= count_int_int && (((1 <= i && _hj_k <= 4) && 4 == _hj_k) || ((i == 0 && _hj_k <= 4) && 4 == _hj_k))) && i <= 2147483646) && 2 <= i) && count_int_int <= 1) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && i <= 2147483645) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) || ((((((0 <= count_int_int && i == 0) && users == 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || ((((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) || (((((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || ((((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((((((((count_int_int <= 4 && 0 <= count_int_int) && aux-count_int_int++-aux <= 3) && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i) || ((((((0 <= count_int_int && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && aux-count_int_int++-aux <= 4) && count_int_int <= 2147483642) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || (((((0 <= count_int_int && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) && aux-count_int_int++-aux <= 0)) || ((((((aux-count_int_int++-aux <= 2 && 0 <= count_int_int) && count_int_int <= 3) && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 4 <= i)) || ((((((0 <= count_int_int && 0 <= aux-count_int_int++-aux) && _hj_k <= 4) && 2 <= i) && aux-count_int_int++-aux <= 1) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) || ((((((0 <= count_int_int && tmp == 0) && i <= 0) && count_int_int <= 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10)))) || ((((((count_int_int <= 4 && 0 <= count_int_int) && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || ((((((0 <= count_int_int && tmp == 0) && count_int_int <= 3) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i) - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((count_int_int <= 4 && 0 <= count_int_int) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) || (((0 <= count_int_int && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || (((0 <= count_int_int && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || (((0 <= count_int_int && count_int_int <= 3) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || (((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && users == 0) && i <= 0) && users == 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && _hj_k <= 4) && 4 == _hj_k) && i < 10) || (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && _hj_k <= 4) && 0 <= i) && 4 == _hj_k) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) || ((((0 <= count_int_int && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || ((((0 <= count_int_int && count_int_int <= 3) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((0 <= count_int_int && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || ((((count_int_int <= 4 && 0 <= count_int_int) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((count_int_int <= 4 && 0 <= count_int_int) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i) || (((0 <= count_int_int && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i)) || (((0 <= count_int_int && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1)) || (((0 <= count_int_int && count_int_int <= 3) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || (((0 <= count_int_int && i <= 0) && count_int_int <= 0) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) || ((((((0 <= count_int_int && tmp == 0) && i <= 0) && count_int_int <= 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10)))) || ((((((count_int_int <= 4 && 0 <= count_int_int) && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || ((((((0 <= count_int_int && tmp == 0) && count_int_int <= 3) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && 2 <= i) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 1) || ((((((0 <= count_int_int && tmp == 0) && i <= 0) && count_int_int <= 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10)))) || ((((((count_int_int <= 4 && 0 <= count_int_int) && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 8 <= i)) || ((((((0 <= count_int_int && tmp == 0) && count_int_int <= 3) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && 6 <= i)) || ((((((0 <= count_int_int && tmp == 0) && tmp == 0) && _hj_k <= 4) && (((i == 0 && _hj_k <= 4) && 4 == _hj_k) || (((1 <= i && _hj_k <= 4) && 4 == _hj_k) && i < 10))) && count_int_int <= 2) && 4 <= i) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0 <= count_int_int && i <= 0) && count_int_int <= 0) && altusers == 0) && altusers == 0) && 0 <= i) && 4 == _hj_k) || ((((0 <= count_int_int && 1 <= i) && count_int_int <= 0) && 4 == _hj_k) && i < 10) RESULT: Ultimate proved your program to be correct! [2021-11-20 07:08:32,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f477d6a3-6db0-4796-ab28-ec7bf5a3e173/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE