./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:41:45,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:41:45,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:41:45,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:41:45,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:41:45,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:41:45,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:41:45,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:41:45,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:41:46,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:41:46,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:41:46,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:41:46,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:41:46,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:41:46,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:41:46,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:41:46,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:41:46,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:41:46,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:41:46,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:41:46,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:41:46,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:41:46,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:41:46,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:41:46,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:41:46,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:41:46,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:41:46,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:41:46,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:41:46,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:41:46,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:41:46,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:41:46,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:41:46,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:41:46,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:41:46,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:41:46,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:41:46,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:41:46,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:41:46,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:41:46,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:41:46,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:41:46,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:41:46,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:41:46,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:41:46,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:41:46,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:41:46,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:41:46,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:41:46,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:41:46,119 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:41:46,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:41:46,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:41:46,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:41:46,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:41:46,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:41:46,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:41:46,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:41:46,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:41:46,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:41:46,122 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:41:46,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:41:46,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:41:46,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:41:46,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:41:46,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:41:46,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:41:46,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:41:46,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:41:46,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:41:46,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:41:46,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:41:46,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:41:46,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:41:46,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:41:46,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:41:46,126 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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2021-11-20 07:41:46,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:41:46,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:41:46,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:41:46,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:41:46,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:41:46,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2021-11-20 07:41:46,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/data/f0f4434c6/70da9e4096c140e0a8e219376fa2b0d2/FLAGd6cc8a4d6 [2021-11-20 07:41:47,309 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:41:47,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2021-11-20 07:41:47,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/data/f0f4434c6/70da9e4096c140e0a8e219376fa2b0d2/FLAGd6cc8a4d6 [2021-11-20 07:41:47,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/data/f0f4434c6/70da9e4096c140e0a8e219376fa2b0d2 [2021-11-20 07:41:47,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:41:47,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:41:47,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:41:47,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:41:47,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:41:47,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:41:47" (1/1) ... [2021-11-20 07:41:47,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d84823b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:47, skipping insertion in model container [2021-11-20 07:41:47,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:41:47" (1/1) ... [2021-11-20 07:41:47,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:41:47,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:41:47,938 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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2021-11-20 07:41:48,207 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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2021-11-20 07:41:48,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:41:48,219 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:41:48,259 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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2021-11-20 07:41:48,412 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_672a7c16-5cad-40ab-83f8-3df1947fd3f4/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2021-11-20 07:41:48,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:41:48,455 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:41:48,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48 WrapperNode [2021-11-20 07:41:48,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:41:48,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:41:48,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:41:48,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:41:48,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,651 INFO L137 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2872 [2021-11-20 07:41:48,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:41:48,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:41:48,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:41:48,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:41:48,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:41:48,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:41:48,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:41:48,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:41:48,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (1/1) ... [2021-11-20 07:41:48,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:41:48,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:41:48,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:41:48,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:41:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:41:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:41:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:41:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:41:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:41:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:41:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:41:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:41:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:41:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:41:49,060 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:41:49,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:41:51,208 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:41:51,226 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:41:51,227 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-20 07:41:51,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:41:51 BoogieIcfgContainer [2021-11-20 07:41:51,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:41:51,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:41:51,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:41:51,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:41:51,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:41:47" (1/3) ... [2021-11-20 07:41:51,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3711d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:41:51, skipping insertion in model container [2021-11-20 07:41:51,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:41:48" (2/3) ... [2021-11-20 07:41:51,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3711d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:41:51, skipping insertion in model container [2021-11-20 07:41:51,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:41:51" (3/3) ... [2021-11-20 07:41:51,240 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2021-11-20 07:41:51,245 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:41:51,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-20 07:41:51,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:41:51,311 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 07:41:51,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-20 07:41:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 1179 states, 665 states have (on average 1.9233082706766917) internal successors, (1279), 1173 states have internal predecessors, (1279), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:41:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:41:51,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:51,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:41:51,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:41:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:51,377 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-20 07:41:51,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:51,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703351896] [2021-11-20 07:41:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:51,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:51,587 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 07:41:51,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:51,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703351896] [2021-11-20 07:41:51,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703351896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:51,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:51,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:41:51,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024597745] [2021-11-20 07:41:51,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:51,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:41:51,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:51,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:41:51,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:41:51,640 INFO L87 Difference]: Start difference. First operand has 1179 states, 665 states have (on average 1.9233082706766917) internal successors, (1279), 1173 states have internal predecessors, (1279), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 07:41:51,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:51,868 INFO L93 Difference]: Finished difference Result 2356 states and 5068 transitions. [2021-11-20 07:41:51,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:41:51,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-20 07:41:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:51,914 INFO L225 Difference]: With dead ends: 2356 [2021-11-20 07:41:51,914 INFO L226 Difference]: Without dead ends: 1175 [2021-11-20 07:41:51,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:41:51,941 INFO L933 BasicCegarLoop]: 2225 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:51,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:41:51,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-20 07:41:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2021-11-20 07:41:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 662 states have (on average 1.8353474320241692) internal successors, (1215), 1169 states have internal predecessors, (1215), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:41:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2221 transitions. [2021-11-20 07:41:52,643 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2221 transitions. Word has length 7 [2021-11-20 07:41:52,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:52,643 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2221 transitions. [2021-11-20 07:41:52,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 07:41:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2221 transitions. [2021-11-20 07:41:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:41:52,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:52,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:41:52,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:41:52,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:41:52,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:52,649 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-20 07:41:52,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:52,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237941455] [2021-11-20 07:41:52,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:52,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:52,699 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:41:52,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868451459] [2021-11-20 07:41:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:52,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:41:52,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:41:52,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:41:52,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:41:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:52,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:41:52,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:41:52,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 07:41:52,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:41:53,001 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:41:53,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 07:41:53,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-20 07:41:53,109 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 07:41:53,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:41:53,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:53,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237941455] [2021-11-20 07:41:53,111 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:41:53,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868451459] [2021-11-20 07:41:53,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868451459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:53,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:53,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:41:53,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350568084] [2021-11-20 07:41:53,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:53,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:41:53,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:53,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:41:53,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:41:53,120 INFO L87 Difference]: Start difference. First operand 1175 states and 2221 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 07:41:56,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:56,326 INFO L93 Difference]: Finished difference Result 2292 states and 4372 transitions. [2021-11-20 07:41:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:41:56,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2021-11-20 07:41:56,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:56,350 INFO L225 Difference]: With dead ends: 2292 [2021-11-20 07:41:56,350 INFO L226 Difference]: Without dead ends: 2290 [2021-11-20 07:41:56,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:41:56,353 INFO L933 BasicCegarLoop]: 2675 mSDtfsCounter, 1185 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 8642 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:56,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1685 Valid, 8642 Invalid, 1760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 07:41:56,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-20 07:41:56,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1181. [2021-11-20 07:41:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8293413173652695) internal successors, (1222), 1175 states have internal predecessors, (1222), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:41:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2228 transitions. [2021-11-20 07:41:56,774 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2228 transitions. Word has length 7 [2021-11-20 07:41:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:56,774 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2228 transitions. [2021-11-20 07:41:56,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 07:41:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2228 transitions. [2021-11-20 07:41:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 07:41:56,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:56,776 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] [2021-11-20 07:41:56,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:41:56,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:41:56,990 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:41:56,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:56,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2021-11-20 07:41:56,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:56,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389874720] [2021-11-20 07:41:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:56,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:57,084 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 07:41:57,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:57,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389874720] [2021-11-20 07:41:57,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389874720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:57,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:57,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:41:57,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104252626] [2021-11-20 07:41:57,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:57,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:41:57,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:57,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:41:57,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:41:57,088 INFO L87 Difference]: Start difference. First operand 1181 states and 2228 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 07:41:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:58,204 INFO L93 Difference]: Finished difference Result 3322 states and 6406 transitions. [2021-11-20 07:41:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:41:58,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2021-11-20 07:41:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:58,225 INFO L225 Difference]: With dead ends: 3322 [2021-11-20 07:41:58,226 INFO L226 Difference]: Without dead ends: 2249 [2021-11-20 07:41:58,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 07:41:58,234 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 1089 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:58,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1589 Valid, 7043 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 07:41:58,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-11-20 07:41:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1181. [2021-11-20 07:41:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8278443113772456) internal successors, (1221), 1175 states have internal predecessors, (1221), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:41:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2227 transitions. [2021-11-20 07:41:58,637 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2227 transitions. Word has length 44 [2021-11-20 07:41:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:58,638 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2227 transitions. [2021-11-20 07:41:58,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 07:41:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2227 transitions. [2021-11-20 07:41:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:41:58,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:58,644 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] [2021-11-20 07:41:58,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:41:58,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:41:58,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-20 07:41:58,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:58,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322751764] [2021-11-20 07:41:58,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:58,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:58,684 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:41:58,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022831366] [2021-11-20 07:41:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:58,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:41:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:41:58,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:41:58,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:41:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:58,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:41:58,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:41:58,970 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 07:41:58,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:41:58,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:58,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322751764] [2021-11-20 07:41:58,971 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:41:58,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022831366] [2021-11-20 07:41:58,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022831366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:58,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:58,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:41:58,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841354101] [2021-11-20 07:41:58,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:58,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:41:58,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:58,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:41:58,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:41:58,975 INFO L87 Difference]: Start difference. First operand 1181 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 07:41:59,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:59,091 INFO L93 Difference]: Finished difference Result 2375 states and 4477 transitions. [2021-11-20 07:41:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:41:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-20 07:41:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:59,103 INFO L225 Difference]: With dead ends: 2375 [2021-11-20 07:41:59,103 INFO L226 Difference]: Without dead ends: 1202 [2021-11-20 07:41:59,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 07:41:59,111 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 9 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4387 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 07:41:59,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 4387 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:41:59,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2021-11-20 07:41:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1201. [2021-11-20 07:41:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 688 states have (on average 1.8037790697674418) internal successors, (1241), 1195 states have internal predecessors, (1241), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:41:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2247 transitions. [2021-11-20 07:41:59,342 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2247 transitions. Word has length 57 [2021-11-20 07:41:59,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:59,344 INFO L470 AbstractCegarLoop]: Abstraction has 1201 states and 2247 transitions. [2021-11-20 07:41:59,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 07:41:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2247 transitions. [2021-11-20 07:41:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:41:59,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:59,355 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] [2021-11-20 07:41:59,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:41:59,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:41:59,582 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:41:59,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:59,583 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-20 07:41:59,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:59,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479635312] [2021-11-20 07:41:59,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:59,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:59,599 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:41:59,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [764093454] [2021-11-20 07:41:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:59,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:41:59,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:41:59,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:41:59,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:41:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:59,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:41:59,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:41:59,851 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 07:41:59,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:41:59,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:59,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479635312] [2021-11-20 07:41:59,852 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:41:59,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764093454] [2021-11-20 07:41:59,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764093454] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:59,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:59,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:41:59,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515427269] [2021-11-20 07:41:59,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:59,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:41:59,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:59,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:41:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:41:59,855 INFO L87 Difference]: Start difference. First operand 1201 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 07:41:59,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:59,993 INFO L93 Difference]: Finished difference Result 2384 states and 4476 transitions. [2021-11-20 07:41:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:41:59,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2021-11-20 07:41:59,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:00,004 INFO L225 Difference]: With dead ends: 2384 [2021-11-20 07:42:00,005 INFO L226 Difference]: Without dead ends: 1191 [2021-11-20 07:42:00,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 07:42:00,011 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 1196 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4914 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 07:42:00,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 4914 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:42:00,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2021-11-20 07:42:00,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2021-11-20 07:42:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 674 states have (on average 1.8100890207715135) internal successors, (1220), 1181 states have internal predecessors, (1220), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 07:42:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2226 transitions. [2021-11-20 07:42:00,207 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2226 transitions. Word has length 57 [2021-11-20 07:42:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:00,207 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2226 transitions. [2021-11-20 07:42:00,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 07:42:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2226 transitions. [2021-11-20 07:42:00,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:42:00,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:00,209 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] [2021-11-20 07:42:00,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:00,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:00,434 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:42:00,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:00,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-20 07:42:00,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:00,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844471763] [2021-11-20 07:42:00,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:00,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:00,452 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:00,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322823600] [2021-11-20 07:42:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:00,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:00,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:00,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:42:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:00,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:42:00,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:42:00,871 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 07:42:00,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:42:00,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:42:00,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844471763] [2021-11-20 07:42:00,872 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:42:00,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322823600] [2021-11-20 07:42:00,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322823600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:42:00,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:42:00,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:42:00,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227863472] [2021-11-20 07:42:00,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:42:00,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:42:00,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:42:00,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:42:00,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:42:00,875 INFO L87 Difference]: Start difference. First operand 1187 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 07:42:01,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:42:01,038 INFO L93 Difference]: Finished difference Result 3460 states and 6557 transitions. [2021-11-20 07:42:01,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:42:01,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-20 07:42:01,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:01,061 INFO L225 Difference]: With dead ends: 3460 [2021-11-20 07:42:01,062 INFO L226 Difference]: Without dead ends: 2281 [2021-11-20 07:42:01,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 07:42:01,070 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 1078 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:42:01,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 4956 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:42:01,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-11-20 07:42:01,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-11-20 07:42:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1264 states have (on average 1.8441455696202531) internal successors, (2331), 2271 states have internal predecessors, (2331), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-20 07:42:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 4337 transitions. [2021-11-20 07:42:01,520 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 4337 transitions. Word has length 57 [2021-11-20 07:42:01,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:01,520 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 4337 transitions. [2021-11-20 07:42:01,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 07:42:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4337 transitions. [2021-11-20 07:42:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:42:01,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:01,523 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] [2021-11-20 07:42:01,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:01,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:01,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-20 07:42:01,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:01,739 INFO L85 PathProgramCache]: Analyzing trace with hash 760263666, now seen corresponding path program 1 times [2021-11-20 07:42:01,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:01,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332431811] [2021-11-20 07:42:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:01,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:01,754 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:01,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519460977] [2021-11-20 07:42:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:01,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:01,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:01,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:01,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_672a7c16-5cad-40ab-83f8-3df1947fd3f4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:42:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:01,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-20 07:42:01,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:42:01,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 07:42:01,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:42:01,988 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:42:01,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:42:02,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-20 07:42:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:02,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-20 07:42:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2021-11-20 07:42:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 07:42:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2021-11-20 07:42:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:03,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-11-20 07:42:03,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 07:42:03,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-11-20 07:42:03,228 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-20 07:42:03,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 29 [2021-11-20 07:42:03,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2021-11-20 07:42:03,352 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:42:03,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 24 [2021-11-20 07:42:04,888 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-20 07:42:04,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2823 treesize of output 2272 [2021-11-20 07:42:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:06,791 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-20 07:42:06,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3238 treesize of output 2896 [2021-11-20 07:42:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:13,401 WARN L227 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 470 DAG size of output: 121 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:42:13,402 INFO L354 Elim1Store]: treesize reduction 9816, result has 4.0 percent of original size [2021-11-20 07:42:13,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 4236 treesize of output 2246 [2021-11-20 07:42:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-20 07:42:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-20 07:42:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:42:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:42:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:42:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:15,008 INFO L244 Elim1Store]: Index analysis took 249 ms [2021-11-20 07:42:15,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 887 treesize of output 405 [2021-11-20 07:42:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:42:22,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-20 07:42:22,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:42:22,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:42:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:46,209 WARN L227 SmtUtils]: Spent 1.40m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:43:46,211 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-20 07:43:46,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 1425982 treesize of output 590031 [2021-11-20 07:43:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:50,875 INFO L244 Elim1Store]: Index analysis took 293 ms [2021-11-20 07:43:50,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:51,203 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:43:51,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1463 treesize of output 639 [2021-11-20 07:43:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,671 INFO L244 Elim1Store]: Index analysis took 380 ms [2021-11-20 07:43:52,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:52,998 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:43:52,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1251 treesize of output 553 [2021-11-20 07:43:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,355 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-20 07:43:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:53,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:43:53,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 993 treesize of output 418 [2021-11-20 07:43:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,325 INFO L244 Elim1Store]: Index analysis took 424 ms [2021-11-20 07:43:54,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:43:54,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:43:54,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426