./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:01:52,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:01:52,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:01:52,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:01:52,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:01:52,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:01:52,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:01:52,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:01:52,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:01:52,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:01:52,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:01:52,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:01:52,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:01:52,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:01:52,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:01:52,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:01:52,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:01:52,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:01:52,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:01:52,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:01:52,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:01:52,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:01:52,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:01:52,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:01:52,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:01:52,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:01:52,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:01:52,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:01:52,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:01:52,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:01:52,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:01:52,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:01:52,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:01:52,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:01:52,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:01:52,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:01:52,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:01:52,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:01:52,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:01:52,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:01:52,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:01:52,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 07:01:52,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:01:52,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:01:52,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:01:52,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:01:52,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:01:52,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:01:52,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:01:52,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:01:52,415 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:01:52,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:01:52,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:01:52,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:01:52,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:01:52,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:01:52,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:01:52,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:01:52,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:01:52,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:01:52,418 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 07:01:52,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:01:52,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:01:52,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:01:52,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:01:52,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:01:52,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:01:52,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:01:52,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:01:52,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:01:52,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:01:52,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:01:52,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:01:52,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:01:52,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:01:52,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:01:52,422 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2021-11-20 07:01:52,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:01:52,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:01:52,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:01:52,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:01:52,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:01:52,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-20 07:01:52,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/data/f6ae657d6/6596b2f699a344738adea141d539ec36/FLAG84cdba694 [2021-11-20 07:01:53,447 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:01:53,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-20 07:01:53,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/data/f6ae657d6/6596b2f699a344738adea141d539ec36/FLAG84cdba694 [2021-11-20 07:01:53,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/data/f6ae657d6/6596b2f699a344738adea141d539ec36 [2021-11-20 07:01:53,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:01:53,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:01:53,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:01:53,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:01:53,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:01:53,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:53" (1/1) ... [2021-11-20 07:01:53,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6665a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:53, skipping insertion in model container [2021-11-20 07:01:53,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:53" (1/1) ... [2021-11-20 07:01:53,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:01:53,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:01:54,164 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-20 07:01:54,274 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-20 07:01:54,280 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-20 07:01:54,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:01:54,310 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:01:54,341 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-20 07:01:54,399 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-20 07:01:54,400 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_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-20 07:01:54,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:01:54,441 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:01:54,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54 WrapperNode [2021-11-20 07:01:54,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:01:54,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:01:54,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:01:54,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:01:54,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,568 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-20 07:01:54,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:01:54,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:01:54,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:01:54,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:01:54,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:01:54,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:01:54,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:01:54,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:01:54,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (1/1) ... [2021-11-20 07:01:54,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:01:54,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:01:54,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:01:54,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:01:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:01:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:01:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:01:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:01:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:01:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:01:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:01:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:01:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:01:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:01:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:01:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:01:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:01:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:01:55,103 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:01:55,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:01:56,204 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:01:56,218 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:01:56,218 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 07:01:56,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:56 BoogieIcfgContainer [2021-11-20 07:01:56,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:01:56,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:01:56,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:01:56,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:01:56,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:01:53" (1/3) ... [2021-11-20 07:01:56,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae614d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:56, skipping insertion in model container [2021-11-20 07:01:56,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:54" (2/3) ... [2021-11-20 07:01:56,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae614d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:56, skipping insertion in model container [2021-11-20 07:01:56,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:56" (3/3) ... [2021-11-20 07:01:56,238 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2021-11-20 07:01:56,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:01:56,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 07:01:56,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:01:56,312 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 07:01:56,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 07:01:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 183 states have (on average 1.7049180327868851) internal successors, (312), 189 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:01:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:01:56,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:56,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:56,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:01:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:56,344 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-20 07:01:56,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:56,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867440574] [2021-11-20 07:01:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:56,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:56,547 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 07:01:56,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:56,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867440574] [2021-11-20 07:01:56,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867440574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:56,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:56,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:01:56,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46869519] [2021-11-20 07:01:56,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:56,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:01:56,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:56,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:01:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:01:56,584 INFO L87 Difference]: Start difference. First operand has 194 states, 183 states have (on average 1.7049180327868851) internal successors, (312), 189 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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 07:01:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:56,652 INFO L93 Difference]: Finished difference Result 385 states and 633 transitions. [2021-11-20 07:01:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:01:56,655 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 07:01:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:56,667 INFO L225 Difference]: With dead ends: 385 [2021-11-20 07:01:56,668 INFO L226 Difference]: Without dead ends: 187 [2021-11-20 07:01:56,672 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 07:01:56,677 INFO L933 BasicCegarLoop]: 248 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, 248 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 07:01:56,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:01:56,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-20 07:01:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-20 07:01:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 177 states have (on average 1.3333333333333333) internal successors, (236), 182 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:01:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 242 transitions. [2021-11-20 07:01:56,755 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 242 transitions. Word has length 7 [2021-11-20 07:01:56,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:56,756 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 242 transitions. [2021-11-20 07:01:56,756 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 07:01:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2021-11-20 07:01:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 07:01:56,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:56,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:56,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:01:56,758 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:01:56,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:56,761 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-20 07:01:56,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:56,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370529711] [2021-11-20 07:01:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:56,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:56,821 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:01:56,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67469263] [2021-11-20 07:01:56,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:56,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:01:56,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:01:56,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:01:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:56,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:01:56,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:57,055 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 07:01:57,061 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 07:01:57,110 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:01:57,110 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 07:01:57,174 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 19 treesize of output 11 [2021-11-20 07:01:57,190 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 07:01:57,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:01:57,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:57,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370529711] [2021-11-20 07:01:57,191 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:01:57,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67469263] [2021-11-20 07:01:57,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67469263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:57,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:57,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:01:57,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529085980] [2021-11-20 07:01:57,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:57,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:01:57,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:57,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:01:57,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:01:57,198 INFO L87 Difference]: Start difference. First operand 187 states and 242 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 07:01:57,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:57,953 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2021-11-20 07:01:57,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:57,954 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 07:01:57,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:57,958 INFO L225 Difference]: With dead ends: 306 [2021-11-20 07:01:57,958 INFO L226 Difference]: Without dead ends: 304 [2021-11-20 07:01:57,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:01:57,960 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 188 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:57,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 735 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-20 07:01:57,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-20 07:01:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 193. [2021-11-20 07:01:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 188 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:01:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2021-11-20 07:01:57,983 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 7 [2021-11-20 07:01:57,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:57,984 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2021-11-20 07:01:57,984 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 07:01:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2021-11-20 07:01:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 07:01:57,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:57,988 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] [2021-11-20 07:01:58,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:58,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:58,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:01:58,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:58,213 INFO L85 PathProgramCache]: Analyzing trace with hash -385089840, now seen corresponding path program 1 times [2021-11-20 07:01:58,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:58,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830125535] [2021-11-20 07:01:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:58,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:58,287 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 07:01:58,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:58,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830125535] [2021-11-20 07:01:58,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830125535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:58,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:58,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:01:58,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667883354] [2021-11-20 07:01:58,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:58,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:58,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:58,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:58,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:01:58,293 INFO L87 Difference]: Start difference. First operand 193 states and 249 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 07:01:58,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:58,650 INFO L93 Difference]: Finished difference Result 355 states and 462 transitions. [2021-11-20 07:01:58,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:01:58,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2021-11-20 07:01:58,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:58,653 INFO L225 Difference]: With dead ends: 355 [2021-11-20 07:01:58,653 INFO L226 Difference]: Without dead ends: 270 [2021-11-20 07:01:58,654 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 07:01:58,655 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 99 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:58,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 615 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:01:58,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-20 07:01:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 193. [2021-11-20 07:01:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 183 states have (on average 1.3224043715846994) internal successors, (242), 188 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:01:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2021-11-20 07:01:58,668 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 50 [2021-11-20 07:01:58,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:58,668 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2021-11-20 07:01:58,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 07:01:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2021-11-20 07:01:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:01:58,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:58,671 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 07:01:58,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:01:58,671 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:01:58,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-20 07:01:58,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:58,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029741571] [2021-11-20 07:01:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:58,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:58,690 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:01:58,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228404881] [2021-11-20 07:01:58,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:58,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:01:58,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:01:58,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:01:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:58,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:01:58,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:58,960 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 07:01:58,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:01:58,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:58,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029741571] [2021-11-20 07:01:58,961 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:01:58,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228404881] [2021-11-20 07:01:58,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228404881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:58,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:58,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:01:58,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789955196] [2021-11-20 07:01:58,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:58,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:01:58,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:58,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:01:58,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:01:58,963 INFO L87 Difference]: Start difference. First operand 193 states and 248 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 07:01:59,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:59,035 INFO L93 Difference]: Finished difference Result 399 states and 519 transitions. [2021-11-20 07:01:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:01:59,035 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 07:01:59,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:59,037 INFO L225 Difference]: With dead ends: 399 [2021-11-20 07:01:59,037 INFO L226 Difference]: Without dead ends: 214 [2021-11-20 07:01:59,038 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 07:01:59,039 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 9 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 429 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 07:01:59,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 429 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:01:59,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-20 07:01:59,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2021-11-20 07:01:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.29064039408867) internal successors, (262), 208 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:01:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 268 transitions. [2021-11-20 07:01:59,051 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 268 transitions. Word has length 57 [2021-11-20 07:01:59,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:59,055 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 268 transitions. [2021-11-20 07:01:59,056 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 07:01:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 268 transitions. [2021-11-20 07:01:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:01:59,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:59,065 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 07:01:59,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:59,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:59,279 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:01:59,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-20 07:01:59,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:59,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262225645] [2021-11-20 07:01:59,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:59,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:59,301 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:01:59,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1573015524] [2021-11-20 07:01:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:59,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:01:59,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:01:59,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:01:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:59,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:01:59,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:59,598 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 07:01:59,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:01:59,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:01:59,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262225645] [2021-11-20 07:01:59,599 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:01:59,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573015524] [2021-11-20 07:01:59,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573015524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:59,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:59,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:01:59,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277345262] [2021-11-20 07:01:59,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:59,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:59,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:01:59,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:59,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:01:59,602 INFO L87 Difference]: Start difference. First operand 213 states and 268 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 07:01:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:59,678 INFO L93 Difference]: Finished difference Result 408 states and 518 transitions. [2021-11-20 07:01:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:01:59,679 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 07:01:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:59,680 INFO L225 Difference]: With dead ends: 408 [2021-11-20 07:01:59,680 INFO L226 Difference]: Without dead ends: 203 [2021-11-20 07:01:59,681 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 07:01:59,683 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 220 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 453 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 07:01:59,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 453 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:01:59,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-20 07:01:59,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2021-11-20 07:01:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 194 states have internal predecessors, (241), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:01:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 247 transitions. [2021-11-20 07:01:59,699 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 247 transitions. Word has length 57 [2021-11-20 07:01:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:59,699 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 247 transitions. [2021-11-20 07:01:59,700 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 07:01:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 247 transitions. [2021-11-20 07:01:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:01:59,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:59,707 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 07:01:59,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:59,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:59,927 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:01:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:59,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-20 07:01:59,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:01:59,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066127996] [2021-11-20 07:01:59,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:59,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:01:59,944 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:01:59,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974921622] [2021-11-20 07:01:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:59,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:01:59,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:01:59,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:01:59,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:02:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:00,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:02:00,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:02:00,393 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 07:02:00,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:02:00,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:02:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066127996] [2021-11-20 07:02:00,394 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:02:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974921622] [2021-11-20 07:02:00,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974921622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:02:00,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:02:00,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:02:00,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471453388] [2021-11-20 07:02:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:02:00,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:02:00,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:02:00,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:02:00,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:02:00,397 INFO L87 Difference]: Start difference. First operand 199 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 07:02:00,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:02:00,476 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-11-20 07:02:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:02:00,477 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 07:02:00,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:02:00,479 INFO L225 Difference]: With dead ends: 499 [2021-11-20 07:02:00,479 INFO L226 Difference]: Without dead ends: 308 [2021-11-20 07:02:00,480 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 07:02:00,481 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 99 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:02:00,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 483 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:02:00,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-20 07:02:00,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 305. [2021-11-20 07:02:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 295 states have (on average 1.2677966101694915) internal successors, (374), 300 states have internal predecessors, (374), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:02:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2021-11-20 07:02:00,493 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 57 [2021-11-20 07:02:00,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:02:00,493 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2021-11-20 07:02:00,493 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 07:02:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2021-11-20 07:02:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:02:00,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:02:00,495 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 07:02:00,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:00,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 07:02:00,719 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:02:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash 984432562, now seen corresponding path program 1 times [2021-11-20 07:02:00,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:00,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608146629] [2021-11-20 07:02:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:00,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:00,736 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:02:00,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003242791] [2021-11-20 07:02:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:00,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:02:00,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:00,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:02:00,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:02:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:00,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-20 07:02:00,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:02:00,923 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 07:02:00,929 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 07:02:00,983 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:02:00,983 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 07:02:01,044 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 07:02:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:01,138 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 07:02:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,021 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 07:02:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,029 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 07:02:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,106 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 07:02:02,184 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 07:02:02,195 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-20 07:02:02,196 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 07:02:02,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 07:02:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:02,229 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 07:02:02,346 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 07:02:02,356 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:02:02,358 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 07:02:03,959 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-20 07:02:03,960 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 07:02:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:09,762 WARN L227 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 311 DAG size of output: 84 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:02:09,763 INFO L354 Elim1Store]: treesize reduction 6541, result has 4.0 percent of original size [2021-11-20 07:02:09,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 3292 treesize of output 1828 [2021-11-20 07:02:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:11,030 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-20 07:02:11,031 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 2021 treesize of output 1763 [2021-11-20 07:02:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:11,905 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 40 treesize of output 18 [2021-11-20 07:02:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:12,084 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 36 treesize of output 16 [2021-11-20 07:02:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:12,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 63 [2021-11-20 07:02:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:02:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:02:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:02:14,268 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-20 07:02:14,269 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 878 treesize of output 400 [2021-11-20 07:02:14,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:02:14,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:02:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:37,679 WARN L227 SmtUtils]: Spent 1.39m on a formula simplification. DAG size of input: 1408 DAG size of output: 355 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:03:37,682 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-20 07:03:37,684 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 184816 treesize of output 85122 [2021-11-20 07:03:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,729 INFO L244 Elim1Store]: Index analysis took 232 ms [2021-11-20 07:03:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:40,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:03:40,966 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 1032 treesize of output 464 [2021-11-20 07:03:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,814 INFO L244 Elim1Store]: Index analysis took 325 ms [2021-11-20 07:03:41,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:41,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,032 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:03:42,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 664 treesize of output 300 [2021-11-20 07:03:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,409 INFO L244 Elim1Store]: Index analysis took 247 ms [2021-11-20 07:03:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,690 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:03:42,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 572 treesize of output 254 [2021-11-20 07:03:42,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,134 INFO L244 Elim1Store]: Index analysis took 335 ms [2021-11-20 07:03:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:03:43,470 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:03:43,471 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 1777 treesize of output 841 [2021-11-20 07:12:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:09,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:09,826 INFO L244 Elim1Store]: Index analysis took 1871 ms [2021-11-20 07:12:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:11,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:12,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:12,359 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 1271 treesize of output 563 [2021-11-20 07:12:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:12,538 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-20 07:12:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:12,851 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-20 07:12:12,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15901 treesize of output 12492 [2021-11-20 07:12:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,021 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-20 07:12:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:36,381 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:36,381 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 10690 treesize of output 7633 [2021-11-20 07:12:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,142 INFO L244 Elim1Store]: Index analysis took 600 ms [2021-11-20 07:12:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:43,024 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:43,024 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 11 case distinctions, treesize of input 1527 treesize of output 671 [2021-11-20 07:12:43,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,191 INFO L244 Elim1Store]: Index analysis took 1005 ms [2021-11-20 07:12:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:44,995 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:44,995 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 800 treesize of output 362 [2021-11-20 07:12:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,282 INFO L244 Elim1Store]: Index analysis took 1083 ms [2021-11-20 07:12:46,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:47,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:47,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:47,258 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 12 case distinctions, treesize of input 1435 treesize of output 625 [2021-11-20 07:12:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,266 INFO L244 Elim1Store]: Index analysis took 818 ms [2021-11-20 07:12:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:48,714 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:48,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 608 treesize of output 272 [2021-11-20 07:12:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,404 INFO L244 Elim1Store]: Index analysis took 557 ms [2021-11-20 07:12:49,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:49,968 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:49,969 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 1447 treesize of output 631 [2021-11-20 07:12:50,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:50,695 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:12:50,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 12023 treesize of output 6625 [2021-11-20 07:12:50,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:50,846 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:12:50,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 10553 treesize of output 6928 [2021-11-20 07:12:50,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:50,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:51,047 INFO L354 Elim1Store]: treesize reduction 174, result has 0.6 percent of original size [2021-11-20 07:12:51,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 9602 treesize of output 5756 [2021-11-20 07:12:51,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:51,290 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:12:51,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 8795 treesize of output 5830 [2021-11-20 07:12:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:51,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:51,540 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:12:51,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 7843 treesize of output 5190 [2021-11-20 07:12:51,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:51,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:51,768 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:12:51,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6996 treesize of output 4619 [2021-11-20 07:12:51,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:51,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:51,949 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-20 07:12:51,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6032 treesize of output 3967 [2021-11-20 07:12:51,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:52,074 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:12:52,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 5044 treesize of output 3311 [2021-11-20 07:12:52,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:52,160 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-20 07:12:52,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4221 treesize of output 2324 [2021-11-20 07:12:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:52,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:52,890 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-20 07:12:52,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2963 treesize of output 1629 [2021-11-20 07:12:52,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:53,018 INFO L354 Elim1Store]: treesize reduction 2572, result has 0.0 percent of original size [2021-11-20 07:12:53,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1825 treesize of output 1303 [2021-11-20 07:12:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:54,319 INFO L354 Elim1Store]: treesize reduction 1200, result has 6.5 percent of original size [2021-11-20 07:12:54,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 828 treesize of output 836 [2021-11-20 07:12:54,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:54,581 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 52 treesize of output 24 [2021-11-20 07:12:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:54,668 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-20 07:12:54,668 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 6 new quantified variables, introduced 4 case distinctions, treesize of input 187 treesize of output 171 [2021-11-20 07:12:55,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:55,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,035 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-20 07:12:56,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 311 treesize of output 214 [2021-11-20 07:12:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,242 INFO L354 Elim1Store]: treesize reduction 544, result has 12.3 percent of original size [2021-11-20 07:12:56,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 262 treesize of output 255 [2021-11-20 07:12:56,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:12:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:12:56,285 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-20 07:12:56,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 211 treesize of output 201 [2021-11-20 07:12:57,252 INFO L354 Elim1Store]: treesize reduction 364, result has 39.8 percent of original size [2021-11-20 07:12:57,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 37 case distinctions, treesize of input 221 treesize of output 366 [2021-11-20 07:12:57,278 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-20 07:12:57,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 345 treesize of output 259 [2021-11-20 07:12:57,387 INFO L354 Elim1Store]: treesize reduction 244, result has 11.6 percent of original size [2021-11-20 07:12:57,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 31 case distinctions, treesize of input 247 treesize of output 264 [2021-11-20 07:12:57,404 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:12:57,404 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 3 case distinctions, treesize of input 243 treesize of output 231 [2021-11-20 07:13:58,395 INFO L354 Elim1Store]: treesize reduction 344, result has 23.7 percent of original size [2021-11-20 07:13:58,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 243 treesize of output 270 [2021-11-20 07:14:43,207 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 07:14:43,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 213 treesize of output 113 [2021-11-20 07:14:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:14:43,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:14:43,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:14:43,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608146629] [2021-11-20 07:14:43,278 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:14:43,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003242791] [2021-11-20 07:14:43,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003242791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:14:43,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:14:43,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 07:14:43,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139708505] [2021-11-20 07:14:43,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:14:43,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:14:43,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:14:43,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:14:43,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:14:43,282 INFO L87 Difference]: Start difference. First operand 305 states and 380 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:14:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:14:46,204 INFO L93 Difference]: Finished difference Result 334 states and 420 transitions. [2021-11-20 07:14:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:14:46,206 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-20 07:14:46,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:14:46,209 INFO L225 Difference]: With dead ends: 334 [2021-11-20 07:14:46,209 INFO L226 Difference]: Without dead ends: 333 [2021-11-20 07:14:46,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:14:46,210 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 107 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 96 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:14:46,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 1501 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 495 Invalid, 0 Unknown, 96 Unchecked, 2.3s Time] [2021-11-20 07:14:46,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-20 07:14:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2021-11-20 07:14:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 318 states have (on average 1.2610062893081762) internal successors, (401), 324 states have internal predecessors, (401), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2021-11-20 07:14:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 416 transitions. [2021-11-20 07:14:46,238 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 416 transitions. Word has length 72 [2021-11-20 07:14:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:14:46,239 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 416 transitions. [2021-11-20 07:14:46,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:14:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 416 transitions. [2021-11-20 07:14:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 07:14:46,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:14:46,241 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 07:14:46,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:14:46,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:46,444 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:14:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:14:46,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1377459572, now seen corresponding path program 1 times [2021-11-20 07:14:46,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:14:46,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058545331] [2021-11-20 07:14:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:46,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:14:46,455 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:14:46,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802025481] [2021-11-20 07:14:46,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:46,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:46,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:14:46,461 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:14:46,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:14:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:46,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:14:46,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:14:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:14:47,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:14:47,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:14:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058545331] [2021-11-20 07:14:47,036 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:14:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802025481] [2021-11-20 07:14:47,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802025481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:14:47,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:14:47,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:14:47,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385879006] [2021-11-20 07:14:47,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:14:47,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:14:47,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:14:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:14:47,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:14:47,038 INFO L87 Difference]: Start difference. First operand 331 states and 416 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:14:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:14:47,093 INFO L93 Difference]: Finished difference Result 589 states and 747 transitions. [2021-11-20 07:14:47,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:14:47,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2021-11-20 07:14:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:14:47,097 INFO L225 Difference]: With dead ends: 589 [2021-11-20 07:14:47,097 INFO L226 Difference]: Without dead ends: 311 [2021-11-20 07:14:47,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 07:14:47,099 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 2 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:14:47,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 692 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:14:47,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-20 07:14:47,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2021-11-20 07:14:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 297 states have (on average 1.2693602693602695) internal successors, (377), 303 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 07:14:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 384 transitions. [2021-11-20 07:14:47,121 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 384 transitions. Word has length 72 [2021-11-20 07:14:47,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:14:47,122 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 384 transitions. [2021-11-20 07:14:47,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:14:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 384 transitions. [2021-11-20 07:14:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 07:14:47,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:14:47,123 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:14:47,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:14:47,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:47,344 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 07:14:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:14:47,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1802358612, now seen corresponding path program 1 times [2021-11-20 07:14:47,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:14:47,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662487239] [2021-11-20 07:14:47,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:47,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:14:47,362 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:14:47,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804795525] [2021-11-20 07:14:47,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:47,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:14:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:14:47,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:14:47,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c24c2c-4d03-4c21-bc71-5de55b03b5ee/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:14:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:47,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-20 07:14:47,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:14:47,554 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 07:14:47,579 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 07:14:47,715 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:14:47,716 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 07:14:47,843 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 07:14:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:48,017 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 30 treesize of output 32 [2021-11-20 07:14:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:49,831 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 52 treesize of output 43 [2021-11-20 07:14:49,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:49,845 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 07:14:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,009 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 07:14:50,090 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 07:14:50,097 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 40 treesize of output 36 [2021-11-20 07:14:50,143 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-20 07:14:50,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 52 [2021-11-20 07:14:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:50,174 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 07:14:50,387 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 69 treesize of output 57 [2021-11-20 07:14:50,394 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:14:50,394 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 57 treesize of output 45 [2021-11-20 07:14:50,408 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 36 treesize of output 32 [2021-11-20 07:14:59,332 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-20 07:14:59,332 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 96 [2021-11-20 07:14:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:14:59,406 INFO L354 Elim1Store]: treesize reduction 126, result has 16.0 percent of original size [2021-11-20 07:14:59,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 131 [2021-11-20 07:14:59,445 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-20 07:14:59,445 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 1 case distinctions, treesize of input 119 treesize of output 112 [2021-11-20 07:15:07,877 WARN L227 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 93 DAG size of output: 39 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:15:07,878 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-20 07:15:07,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2888 treesize of output 2358 [2021-11-20 07:15:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:22,490 WARN L227 SmtUtils]: Spent 14.55s on a formula simplification. DAG size of input: 367 DAG size of output: 102 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 07:15:22,491 INFO L354 Elim1Store]: treesize reduction 7848, result has 5.4 percent of original size [2021-11-20 07:15:22,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 3443 treesize of output 2142 [2021-11-20 07:15:22,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:24,777 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-20 07:15:24,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2432 treesize of output 2155 [2021-11-20 07:15:25,678 INFO L354 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2021-11-20 07:15:25,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 8921 treesize of output 8925 [2021-11-20 07:15:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:52,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 07:15:52,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:52,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 07:15:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:15:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 07:15:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:54,722 INFO L244 Elim1Store]: Index analysis took 287 ms [2021-11-20 07:15:54,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 18 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 968 treesize of output 464 [2021-11-20 07:15:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:55,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 162 [2021-11-20 07:15:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:15:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver