./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.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_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/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_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/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_f3e6009e-8285-4a06-b4d4-4beb294811bc/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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:39:07,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:39:07,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:39:07,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:39:07,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:39:07,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:39:07,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:39:07,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:39:07,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:39:07,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:39:07,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:39:07,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:39:07,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:39:07,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:39:07,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:39:07,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:39:07,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:39:07,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:39:07,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:39:07,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:39:07,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:39:07,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:39:07,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:39:07,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:39:07,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:39:07,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:39:07,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:39:07,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:39:07,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:39:07,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:39:07,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:39:07,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:39:07,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:39:07,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:39:07,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:39:07,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:39:07,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:39:07,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:39:07,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:39:07,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:39:07,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:39:07,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:39:07,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:39:07,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:39:07,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:39:07,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:39:07,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:39:07,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:39:07,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:39:07,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:39:07,572 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:39:07,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:39:07,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:39:07,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:39:07,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:39:07,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:39:07,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:39:07,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:39:07,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:39:07,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:39:07,575 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:39:07,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:39:07,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:39:07,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:39:07,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:39:07,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:39:07,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:39:07,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:39:07,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:39:07,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:39:07,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:39:07,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:39:07,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:39:07,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:39:07,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:39:07,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:39:07,578 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_f3e6009e-8285-4a06-b4d4-4beb294811bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2021-11-20 07:39:07,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:39:07,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:39:07,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:39:07,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:39:07,879 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:39:07,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-20 07:39:07,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/data/36f34bc9d/f9f0ba2404394d7cbc2b74dd862b5d9c/FLAG0848ed674 [2021-11-20 07:39:08,611 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:39:08,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-20 07:39:08,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/data/36f34bc9d/f9f0ba2404394d7cbc2b74dd862b5d9c/FLAG0848ed674 [2021-11-20 07:39:08,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/data/36f34bc9d/f9f0ba2404394d7cbc2b74dd862b5d9c [2021-11-20 07:39:08,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:39:08,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:39:08,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:39:08,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:39:08,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:39:08,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:39:08" (1/1) ... [2021-11-20 07:39:08,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f90f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:08, skipping insertion in model container [2021-11-20 07:39:08,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:39:08" (1/1) ... [2021-11-20 07:39:08,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:39:08,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:39:09,421 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_f3e6009e-8285-4a06-b4d4-4beb294811bc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-20 07:39:09,534 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_f3e6009e-8285-4a06-b4d4-4beb294811bc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-20 07:39:09,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:39:09,558 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:39:09,606 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_f3e6009e-8285-4a06-b4d4-4beb294811bc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-20 07:39:09,656 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_f3e6009e-8285-4a06-b4d4-4beb294811bc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-20 07:39:09,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:39:09,708 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:39:09,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09 WrapperNode [2021-11-20 07:39:09,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:39:09,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:39:09,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:39:09,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:39:09,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,829 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-20 07:39:09,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:39:09,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:39:09,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:39:09,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:39:09,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:09,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:10,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:39:10,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:39:10,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:39:10,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:39:10,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (1/1) ... [2021-11-20 07:39:10,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:39:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:10,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:39:10,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:39:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:39:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:39:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:39:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:39:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:39:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:39:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:39:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:39:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:39:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:39:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:39:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:39:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:39:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:39:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:39:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:39:10,402 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:39:10,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:39:11,570 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:39:11,581 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:39:11,582 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-20 07:39:11,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:11 BoogieIcfgContainer [2021-11-20 07:39:11,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:39:11,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:39:11,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:39:11,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:39:11,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:39:08" (1/3) ... [2021-11-20 07:39:11,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2301bbde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:11, skipping insertion in model container [2021-11-20 07:39:11,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:09" (2/3) ... [2021-11-20 07:39:11,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2301bbde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:11, skipping insertion in model container [2021-11-20 07:39:11,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:11" (3/3) ... [2021-11-20 07:39:11,596 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2021-11-20 07:39:11,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:39:11,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-20 07:39:11,666 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:39:11,676 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 07:39:11,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-20 07:39:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 170 states have (on average 1.7) internal successors, (289), 183 states have internal predecessors, (289), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:39:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:39:11,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:11,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:11,742 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 07:39:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-20 07:39:11,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:11,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336365823] [2021-11-20 07:39:11,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:11,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:11,961 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 07:39:11,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:11,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336365823] [2021-11-20 07:39:11,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336365823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:11,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:11,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:39:11,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354443338] [2021-11-20 07:39:11,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:11,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:39:11,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:12,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:39:12,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:39:12,011 INFO L87 Difference]: Start difference. First operand has 189 states, 170 states have (on average 1.7) internal successors, (289), 183 states have internal predecessors, (289), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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 07:39:12,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:12,072 INFO L93 Difference]: Finished difference Result 376 states and 613 transitions. [2021-11-20 07:39:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:39:12,075 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 07:39:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:12,094 INFO L225 Difference]: With dead ends: 376 [2021-11-20 07:39:12,094 INFO L226 Difference]: Without dead ends: 185 [2021-11-20 07:39:12,101 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 07:39:12,109 INFO L933 BasicCegarLoop]: 245 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, 245 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 07:39:12,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:39:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-20 07:39:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-11-20 07:39:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 167 states have (on average 1.347305389221557) internal successors, (225), 179 states have internal predecessors, (225), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:39:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 241 transitions. [2021-11-20 07:39:12,234 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 241 transitions. Word has length 7 [2021-11-20 07:39:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:12,235 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 241 transitions. [2021-11-20 07:39:12,235 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 07:39:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 241 transitions. [2021-11-20 07:39:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:39:12,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:12,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:12,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:39:12,238 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 07:39:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-20 07:39:12,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:12,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90336285] [2021-11-20 07:39:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:12,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:12,290 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:39:12,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031277092] [2021-11-20 07:39:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:12,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:12,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:12,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:39:12,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:39:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:12,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:39:12,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:39:12,615 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 07:39:12,623 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 07:39:12,701 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:39:12,702 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 07:39:12,784 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 07:39:12,803 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 07:39:12,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:39:12,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:12,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90336285] [2021-11-20 07:39:12,804 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:39:12,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031277092] [2021-11-20 07:39:12,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031277092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:12,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:12,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:39:12,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364196943] [2021-11-20 07:39:12,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:12,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:39:12,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:12,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:39:12,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:39:12,809 INFO L87 Difference]: Start difference. First operand 185 states and 241 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 07:39:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:13,680 INFO L93 Difference]: Finished difference Result 312 states and 412 transitions. [2021-11-20 07:39:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:39:13,681 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 07:39:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:13,685 INFO L225 Difference]: With dead ends: 312 [2021-11-20 07:39:13,685 INFO L226 Difference]: Without dead ends: 310 [2021-11-20 07:39:13,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:39:13,688 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 195 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:13,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 722 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 07:39:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-11-20 07:39:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 191. [2021-11-20 07:39:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 173 states have (on average 1.3410404624277457) internal successors, (232), 185 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:39:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 248 transitions. [2021-11-20 07:39:13,716 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 248 transitions. Word has length 7 [2021-11-20 07:39:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:13,717 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 248 transitions. [2021-11-20 07:39:13,717 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 07:39:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 248 transitions. [2021-11-20 07:39:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 07:39:13,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:13,720 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 07:39:13,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 07:39:13,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:13,938 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 07:39:13,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:13,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2021-11-20 07:39:13,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:13,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212766065] [2021-11-20 07:39:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:13,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:14,093 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 07:39:14,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:14,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212766065] [2021-11-20 07:39:14,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212766065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:14,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:14,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:39:14,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513438811] [2021-11-20 07:39:14,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:14,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:39:14,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:14,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:39:14,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:39:14,097 INFO L87 Difference]: Start difference. First operand 191 states and 248 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 07:39:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:14,607 INFO L93 Difference]: Finished difference Result 352 states and 466 transitions. [2021-11-20 07:39:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:39:14,609 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 07:39:14,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:14,614 INFO L225 Difference]: With dead ends: 352 [2021-11-20 07:39:14,615 INFO L226 Difference]: Without dead ends: 269 [2021-11-20 07:39:14,616 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 07:39:14,620 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 99 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:14,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 608 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 07:39:14,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-11-20 07:39:14,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 191. [2021-11-20 07:39:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 173 states have (on average 1.3352601156069364) internal successors, (231), 185 states have internal predecessors, (231), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:39:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 247 transitions. [2021-11-20 07:39:14,648 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 247 transitions. Word has length 44 [2021-11-20 07:39:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:14,649 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 247 transitions. [2021-11-20 07:39:14,650 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 07:39:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2021-11-20 07:39:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:39:14,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:14,653 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 07:39:14,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:39:14,654 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 07:39:14,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:14,655 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-20 07:39:14,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:14,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273589308] [2021-11-20 07:39:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:14,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:14,682 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:39:14,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315152147] [2021-11-20 07:39:14,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:14,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:14,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:14,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:39:14,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:39:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:14,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:39:14,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:39:15,134 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 07:39:15,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:39:15,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:15,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273589308] [2021-11-20 07:39:15,135 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:39:15,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315152147] [2021-11-20 07:39:15,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315152147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:15,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:15,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:39:15,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619440584] [2021-11-20 07:39:15,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:15,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:39:15,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:15,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:39:15,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:39:15,139 INFO L87 Difference]: Start difference. First operand 191 states and 247 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 07:39:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:15,235 INFO L93 Difference]: Finished difference Result 395 states and 517 transitions. [2021-11-20 07:39:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:39:15,235 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 07:39:15,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:15,238 INFO L225 Difference]: With dead ends: 395 [2021-11-20 07:39:15,238 INFO L226 Difference]: Without dead ends: 212 [2021-11-20 07:39:15,239 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 07:39:15,241 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 9 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 427 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 07:39:15,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 427 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:39:15,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-20 07:39:15,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2021-11-20 07:39:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 193 states have (on average 1.3005181347150259) internal successors, (251), 205 states have internal predecessors, (251), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:39:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 267 transitions. [2021-11-20 07:39:15,258 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 267 transitions. Word has length 57 [2021-11-20 07:39:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:15,258 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 267 transitions. [2021-11-20 07:39:15,259 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 07:39:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2021-11-20 07:39:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:39:15,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:15,262 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 07:39:15,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 07:39:15,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:15,478 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 07:39:15,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:15,478 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-20 07:39:15,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:15,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047589717] [2021-11-20 07:39:15,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:15,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:15,500 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:39:15,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564383987] [2021-11-20 07:39:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:15,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:15,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:15,502 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:39:15,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:39:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:15,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:39:15,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:39:15,956 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 07:39:15,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:39:15,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:15,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047589717] [2021-11-20 07:39:15,957 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:39:15,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564383987] [2021-11-20 07:39:15,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564383987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:15,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:15,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:39:15,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620590721] [2021-11-20 07:39:15,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:15,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:39:15,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:15,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:39:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:39:15,961 INFO L87 Difference]: Start difference. First operand 211 states and 267 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 07:39:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:16,055 INFO L93 Difference]: Finished difference Result 404 states and 516 transitions. [2021-11-20 07:39:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:39:16,056 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 07:39:16,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:16,058 INFO L225 Difference]: With dead ends: 404 [2021-11-20 07:39:16,058 INFO L226 Difference]: Without dead ends: 201 [2021-11-20 07:39:16,059 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 07:39:16,060 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 206 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 459 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 07:39:16,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 459 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:39:16,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-20 07:39:16,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2021-11-20 07:39:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 191 states have internal predecessors, (230), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:39:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 246 transitions. [2021-11-20 07:39:16,073 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 246 transitions. Word has length 57 [2021-11-20 07:39:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:16,074 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 246 transitions. [2021-11-20 07:39:16,074 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 07:39:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 246 transitions. [2021-11-20 07:39:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:39:16,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:16,078 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 07:39:16,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:39:16,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:16,306 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 07:39:16,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:16,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-20 07:39:16,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:16,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748218868] [2021-11-20 07:39:16,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:16,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:16,338 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:39:16,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [815781040] [2021-11-20 07:39:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:16,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:16,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:16,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:39:16,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:39:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:39:16,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:39:16,893 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 07:39:16,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:39:16,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:16,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748218868] [2021-11-20 07:39:16,894 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:39:16,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815781040] [2021-11-20 07:39:16,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815781040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:16,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:16,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:39:16,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437248686] [2021-11-20 07:39:16,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:16,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:39:16,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:16,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:39:16,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:39:16,898 INFO L87 Difference]: Start difference. First operand 197 states and 246 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 07:39:17,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:17,005 INFO L93 Difference]: Finished difference Result 490 states and 617 transitions. [2021-11-20 07:39:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:39:17,005 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 07:39:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:17,008 INFO L225 Difference]: With dead ends: 490 [2021-11-20 07:39:17,009 INFO L226 Difference]: Without dead ends: 301 [2021-11-20 07:39:17,009 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 07:39:17,010 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 88 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:17,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 501 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:39:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-11-20 07:39:17,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2021-11-20 07:39:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 274 states have (on average 1.281021897810219) internal successors, (351), 291 states have internal predecessors, (351), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-20 07:39:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 377 transitions. [2021-11-20 07:39:17,028 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 377 transitions. Word has length 57 [2021-11-20 07:39:17,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:17,029 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 377 transitions. [2021-11-20 07:39:17,029 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 07:39:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 377 transitions. [2021-11-20 07:39:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:39:17,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:17,032 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 07:39:17,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:39:17,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 07:39:17,258 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 07:39:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash 471982450, now seen corresponding path program 1 times [2021-11-20 07:39:17,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:17,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927741594] [2021-11-20 07:39:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:17,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:17,279 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:39:17,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885844001] [2021-11-20 07:39:17,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:17,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:39:17,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:17,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:39:17,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3e6009e-8285-4a06-b4d4-4beb294811bc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:39:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:17,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-20 07:39:17,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:39:17,509 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 07:39:17,517 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 07:39:17,585 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:39:17,586 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 07:39:17,673 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 07:39:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:17,825 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 07:39:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,818 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 07:39:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,828 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 07:39:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:18,922 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 07:39:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:19,011 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 07:39:19,032 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 07:39:19,049 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 07:39:19,067 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-20 07:39:19,067 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 07:39:19,195 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 07:39:19,205 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:39:19,206 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 07:39:21,292 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-20 07:39:21,292 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 07:39:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:23,443 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-20 07:39:23,444 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 07:39:23,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:23,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:23,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:31,447 WARN L227 SmtUtils]: Spent 7.90s 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 07:39:31,448 INFO L354 Elim1Store]: treesize reduction 9816, result has 4.0 percent of original size [2021-11-20 07:39:31,448 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 07:39:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:32,633 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 07:39:32,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:32,878 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 07:39:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:39:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:39:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:39:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:33,245 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-11-20 07:39:33,246 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 893 treesize of output 405 [2021-11-20 07:39:41,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:39:41,902 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 07:39:41,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:39:42,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:39:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:33,808 WARN L227 SmtUtils]: Spent 1.86m 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 07:41:33,812 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-20 07:41:33,815 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 1276862 treesize of output 530639 [2021-11-20 07:41:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:39,958 INFO L244 Elim1Store]: Index analysis took 413 ms [2021-11-20 07:41:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:40,389 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:41:40,390 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 1064 treesize of output 480 [2021-11-20 07:41:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,530 INFO L244 Elim1Store]: Index analysis took 415 ms [2021-11-20 07:41:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:41,909 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:41:41,910 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 1535 treesize of output 675 [2021-11-20 07:41:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,339 INFO L244 Elim1Store]: Index analysis took 276 ms [2021-11-20 07:41:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:42,755 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:41:42,756 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 8 case distinctions, treesize of input 864 treesize of output 400 [2021-11-20 07:41:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,354 INFO L244 Elim1Store]: Index analysis took 332 ms [2021-11-20 07:41:43,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:41:43,821 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:41:43,822 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 1005 treesize of output 430