./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/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_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL --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-0f8a17c [2021-11-19 04:41:06,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:41:06,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:41:07,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:41:07,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:41:07,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:41:07,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:41:07,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:41:07,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:41:07,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:41:07,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:41:07,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:41:07,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:41:07,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:41:07,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:41:07,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:41:07,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:41:07,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:41:07,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:41:07,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:41:07,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:41:07,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:41:07,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:41:07,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:41:07,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:41:07,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:41:07,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:41:07,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:41:07,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:41:07,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:41:07,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:41:07,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:41:07,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:41:07,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:41:07,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:41:07,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:41:07,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:41:07,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:41:07,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:41:07,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:41:07,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:41:07,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-19 04:41:07,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:41:07,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:41:07,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:41:07,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:41:07,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:41:07,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:41:07,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:41:07,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:41:07,133 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:41:07,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:41:07,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:41:07,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:41:07,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:41:07,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:41:07,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:41:07,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:41:07,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:41:07,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:41:07,136 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 04:41:07,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:41:07,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:41:07,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:41:07,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:41:07,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:41:07,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:41:07,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:41:07,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:41:07,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:41:07,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:41:07,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:41:07,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:41:07,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:41:07,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:41:07,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:41:07,140 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_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2021-11-19 04:41:07,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:41:07,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:41:07,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:41:07,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:41:07,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:41:07,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-19 04:41:07,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/data/39729d8ae/2ea308668f624f2bbeaa98590cbc519c/FLAGd18f4adb5 [2021-11-19 04:41:08,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:41:08,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-19 04:41:08,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/data/39729d8ae/2ea308668f624f2bbeaa98590cbc519c/FLAGd18f4adb5 [2021-11-19 04:41:08,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/data/39729d8ae/2ea308668f624f2bbeaa98590cbc519c [2021-11-19 04:41:08,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:41:08,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:41:08,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:41:08,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:41:08,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:41:08,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:41:08" (1/1) ... [2021-11-19 04:41:08,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d322139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:08, skipping insertion in model container [2021-11-19 04:41:08,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:41:08" (1/1) ... [2021-11-19 04:41:08,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:41:08,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:41:08,970 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_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-19 04:41:09,083 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_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-19 04:41:09,084 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_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-19 04:41:09,092 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:41:09,101 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:41:09,150 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_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-19 04:41:09,227 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_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-19 04:41:09,228 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_6df1ebc9-2a41-4848-944e-71d43976130b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-19 04:41:09,234 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:41:09,289 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:41:09,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09 WrapperNode [2021-11-19 04:41:09,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:41:09,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:41:09,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:41:09,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:41:09,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,414 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-19 04:41:09,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:41:09,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:41:09,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:41:09,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:41:09,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:41:09,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:41:09,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:41:09,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:41:09,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (1/1) ... [2021-11-19 04:41:09,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:41:09,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:41:09,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:41:09,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:41:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:41:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:41:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:41:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:41:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:41:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:41:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:41:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:41:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 04:41:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:41:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:41:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:41:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:41:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:41:09,930 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:41:09,931 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:41:10,913 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:41:10,921 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:41:10,922 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-19 04:41:10,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:41:10 BoogieIcfgContainer [2021-11-19 04:41:10,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:41:10,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:41:10,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:41:10,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:41:10,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:41:08" (1/3) ... [2021-11-19 04:41:10,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316bf922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:41:10, skipping insertion in model container [2021-11-19 04:41:10,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:41:09" (2/3) ... [2021-11-19 04:41:10,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316bf922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:41:10, skipping insertion in model container [2021-11-19 04:41:10,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:41:10" (3/3) ... [2021-11-19 04:41:10,933 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2021-11-19 04:41:10,939 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:41:10,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-19 04:41:11,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:41:11,021 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 [2021-11-19 04:41:11,021 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-19 04:41:11,049 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) [2021-11-19 04:41:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 04:41:11,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:11,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:41:11,054 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)] === [2021-11-19 04:41:11,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-19 04:41:11,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:11,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878852566] [2021-11-19 04:41:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:11,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:41:11,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:11,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878852566] [2021-11-19 04:41:11,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878852566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:11,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:11,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:41:11,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758768186] [2021-11-19 04:41:11,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:11,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:41:11,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:11,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:41:11,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:41:11,265 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) [2021-11-19 04:41:11,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:11,310 INFO L93 Difference]: Finished difference Result 385 states and 633 transitions. [2021-11-19 04:41:11,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:41:11,312 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 [2021-11-19 04:41:11,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:11,322 INFO L225 Difference]: With dead ends: 385 [2021-11-19 04:41:11,322 INFO L226 Difference]: Without dead ends: 187 [2021-11-19 04:41:11,326 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 [2021-11-19 04:41:11,330 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 [2021-11-19 04:41:11,331 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] [2021-11-19 04:41:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-19 04:41:11,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-19 04:41:11,380 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) [2021-11-19 04:41:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 242 transitions. [2021-11-19 04:41:11,384 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 242 transitions. Word has length 7 [2021-11-19 04:41:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:11,385 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 242 transitions. [2021-11-19 04:41:11,385 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) [2021-11-19 04:41:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2021-11-19 04:41:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 04:41:11,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:11,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:41:11,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:41:11,387 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)] === [2021-11-19 04:41:11,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:11,387 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-19 04:41:11,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:11,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283610551] [2021-11-19 04:41:11,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:11,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:11,422 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:41:11,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857111456] [2021-11-19 04:41:11,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:11,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:41:11,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:41:11,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 04:41:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 04:41:11,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:41:11,632 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 [2021-11-19 04:41:11,637 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 [2021-11-19 04:41:11,680 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 04:41:11,681 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 [2021-11-19 04:41:11,726 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 [2021-11-19 04:41:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:41:11,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:41:11,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:11,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283610551] [2021-11-19 04:41:11,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:41:11,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857111456] [2021-11-19 04:41:11,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857111456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:11,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:11,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:41:11,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387557961] [2021-11-19 04:41:11,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:11,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:41:11,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:11,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:41:11,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:41:11,739 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) [2021-11-19 04:41:12,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:12,543 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2021-11-19 04:41:12,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:41:12,544 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 [2021-11-19 04:41:12,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:12,548 INFO L225 Difference]: With dead ends: 306 [2021-11-19 04:41:12,548 INFO L226 Difference]: Without dead ends: 304 [2021-11-19 04:41:12,548 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 [2021-11-19 04:41:12,550 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 [2021-11-19 04:41:12,551 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] [2021-11-19 04:41:12,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-19 04:41:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 193. [2021-11-19 04:41:12,578 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) [2021-11-19 04:41:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2021-11-19 04:41:12,580 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 7 [2021-11-19 04:41:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:12,580 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2021-11-19 04:41:12,580 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) [2021-11-19 04:41:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2021-11-19 04:41:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-19 04:41:12,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:12,583 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] [2021-11-19 04:41:12,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:41:12,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:12,784 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)] === [2021-11-19 04:41:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash -385089840, now seen corresponding path program 1 times [2021-11-19 04:41:12,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:12,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599366748] [2021-11-19 04:41:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:12,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:41:12,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:12,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599366748] [2021-11-19 04:41:12,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599366748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:12,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:12,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:41:12,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481664963] [2021-11-19 04:41:12,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:12,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:41:12,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:12,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:41:12,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:41:12,878 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) [2021-11-19 04:41:13,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:13,238 INFO L93 Difference]: Finished difference Result 355 states and 462 transitions. [2021-11-19 04:41:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:41:13,238 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 [2021-11-19 04:41:13,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:13,241 INFO L225 Difference]: With dead ends: 355 [2021-11-19 04:41:13,241 INFO L226 Difference]: Without dead ends: 270 [2021-11-19 04:41:13,242 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 [2021-11-19 04:41:13,243 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 [2021-11-19 04:41:13,244 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] [2021-11-19 04:41:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-19 04:41:13,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 193. [2021-11-19 04:41:13,270 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) [2021-11-19 04:41:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2021-11-19 04:41:13,273 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 50 [2021-11-19 04:41:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:13,274 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2021-11-19 04:41:13,278 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) [2021-11-19 04:41:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2021-11-19 04:41:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 04:41:13,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:13,283 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] [2021-11-19 04:41:13,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:41:13,284 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)] === [2021-11-19 04:41:13,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:13,285 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-19 04:41:13,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:13,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239881170] [2021-11-19 04:41:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:13,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:13,321 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:41:13,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563398138] [2021-11-19 04:41:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:13,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:13,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:41:13,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:41:13,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 04:41:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:13,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:41:13,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:41:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:41:13,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:41:13,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:13,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239881170] [2021-11-19 04:41:13,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:41:13,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563398138] [2021-11-19 04:41:13,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563398138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:13,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:13,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:41:13,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095515847] [2021-11-19 04:41:13,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:13,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:41:13,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:13,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:41:13,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:41:13,640 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) [2021-11-19 04:41:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:13,738 INFO L93 Difference]: Finished difference Result 399 states and 519 transitions. [2021-11-19 04:41:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:41:13,739 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 [2021-11-19 04:41:13,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:13,741 INFO L225 Difference]: With dead ends: 399 [2021-11-19 04:41:13,741 INFO L226 Difference]: Without dead ends: 214 [2021-11-19 04:41:13,745 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 [2021-11-19 04:41:13,750 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 9 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-11-19 04:41:13,753 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] [2021-11-19 04:41:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-19 04:41:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2021-11-19 04:41:13,778 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) [2021-11-19 04:41:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 268 transitions. [2021-11-19 04:41:13,780 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 268 transitions. Word has length 57 [2021-11-19 04:41:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:13,780 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 268 transitions. [2021-11-19 04:41:13,780 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) [2021-11-19 04:41:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 268 transitions. [2021-11-19 04:41:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 04:41:13,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:13,783 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] [2021-11-19 04:41:13,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:41:13,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:13,997 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)] === [2021-11-19 04:41:13,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:13,998 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-19 04:41:14,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:14,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013198776] [2021-11-19 04:41:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:14,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:14,019 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:41:14,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62386723] [2021-11-19 04:41:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:14,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:14,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:41:14,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:41:14,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 04:41:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:14,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:41:14,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:41:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:41:14,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:41:14,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:14,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013198776] [2021-11-19 04:41:14,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:41:14,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62386723] [2021-11-19 04:41:14,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62386723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:14,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:14,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:41:14,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314441741] [2021-11-19 04:41:14,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:14,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:41:14,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:41:14,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:41:14,296 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) [2021-11-19 04:41:14,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:14,375 INFO L93 Difference]: Finished difference Result 408 states and 518 transitions. [2021-11-19 04:41:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:41:14,376 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 [2021-11-19 04:41:14,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:14,378 INFO L225 Difference]: With dead ends: 408 [2021-11-19 04:41:14,378 INFO L226 Difference]: Without dead ends: 203 [2021-11-19 04:41:14,379 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 [2021-11-19 04:41:14,379 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 [2021-11-19 04:41:14,380 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] [2021-11-19 04:41:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-19 04:41:14,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2021-11-19 04:41:14,388 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) [2021-11-19 04:41:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 247 transitions. [2021-11-19 04:41:14,389 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 247 transitions. Word has length 57 [2021-11-19 04:41:14,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:14,390 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 247 transitions. [2021-11-19 04:41:14,390 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) [2021-11-19 04:41:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 247 transitions. [2021-11-19 04:41:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 04:41:14,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:14,392 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] [2021-11-19 04:41:14,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:41:14,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:14,614 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)] === [2021-11-19 04:41:14,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:14,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-19 04:41:14,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:14,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285361480] [2021-11-19 04:41:14,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:14,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:14,630 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:41:14,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582209525] [2021-11-19 04:41:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:14,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:41:14,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:41:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 04:41:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:14,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 04:41:14,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:41:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:41:15,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:41:15,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:15,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285361480] [2021-11-19 04:41:15,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:41:15,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582209525] [2021-11-19 04:41:15,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582209525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:15,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:15,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:41:15,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156920351] [2021-11-19 04:41:15,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:15,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:41:15,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:15,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:41:15,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:41:15,100 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) [2021-11-19 04:41:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:15,189 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-11-19 04:41:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:41:15,190 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 [2021-11-19 04:41:15,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:15,193 INFO L225 Difference]: With dead ends: 499 [2021-11-19 04:41:15,193 INFO L226 Difference]: Without dead ends: 308 [2021-11-19 04:41:15,194 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 [2021-11-19 04:41:15,194 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 [2021-11-19 04:41:15,195 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] [2021-11-19 04:41:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-19 04:41:15,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 305. [2021-11-19 04:41:15,207 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) [2021-11-19 04:41:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2021-11-19 04:41:15,209 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 57 [2021-11-19 04:41:15,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:15,210 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2021-11-19 04:41:15,210 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) [2021-11-19 04:41:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2021-11-19 04:41:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 04:41:15,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:15,212 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] [2021-11-19 04:41:15,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 04:41:15,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:15,435 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)] === [2021-11-19 04:41:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash 984432562, now seen corresponding path program 1 times [2021-11-19 04:41:15,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:15,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872284677] [2021-11-19 04:41:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:15,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:15,470 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:41:15,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340070189] [2021-11-19 04:41:15,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:15,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:41:15,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:41:15,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:41:15,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 04:41:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:15,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-19 04:41:15,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:41:15,694 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 [2021-11-19 04:41:15,702 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 [2021-11-19 04:41:15,760 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 04:41:15,760 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 [2021-11-19 04:41:15,831 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 [2021-11-19 04:41:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:15,936 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 [2021-11-19 04:41:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,018 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 [2021-11-19 04:41:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,028 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 [2021-11-19 04:41:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,115 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 [2021-11-19 04:41:17,190 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 [2021-11-19 04:41:17,201 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-19 04:41:17,201 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 [2021-11-19 04:41:17,210 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 [2021-11-19 04:41:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:17,238 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 [2021-11-19 04:41:17,354 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 [2021-11-19 04:41:17,364 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 04:41:17,365 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 [2021-11-19 04:41:18,911 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-19 04:41:18,912 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 [2021-11-19 04:41:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:24,754 WARN L227 SmtUtils]: Spent 5.78s 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) [2021-11-19 04:41:24,755 INFO L354 Elim1Store]: treesize reduction 6541, result has 4.0 percent of original size [2021-11-19 04:41:24,756 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 [2021-11-19 04:41:24,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:26,020 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-19 04:41:26,021 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 [2021-11-19 04:41:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:26,845 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 [2021-11-19 04:41:27,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:27,091 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 [2021-11-19 04:41:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:27,595 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 [2021-11-19 04:41:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:41:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:41:29,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:41:29,444 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-19 04:41:29,446 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 [2021-11-19 04:41:29,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:41:29,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:41:29,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:55,071 WARN L227 SmtUtils]: Spent 1.42m 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) [2021-11-19 04:42:55,073 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-19 04:42:55,075 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 [2021-11-19 04:42:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,095 INFO L244 Elim1Store]: Index analysis took 281 ms [2021-11-19 04:42:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:58,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:42:58,336 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 [2021-11-19 04:42:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,200 INFO L244 Elim1Store]: Index analysis took 326 ms [2021-11-19 04:42:59,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:42:59,421 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 [2021-11-19 04:42:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,783 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-11-19 04:42:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:42:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,092 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:43:00,093 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 [2021-11-19 04:43:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,571 INFO L244 Elim1Store]: Index analysis took 352 ms [2021-11-19 04:43:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:43:00,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:43:00,930 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 [2021-11-19 04:52:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:05,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:05,539 INFO L244 Elim1Store]: Index analysis took 2092 ms [2021-11-19 04:52:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:07,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:08,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:08,326 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 [2021-11-19 04:52:08,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:08,544 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-19 04:52:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:08,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:08,905 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-19 04:52:08,906 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 [2021-11-19 04:52:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,346 INFO L244 Elim1Store]: Index analysis took 242 ms [2021-11-19 04:52:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:34,787 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:34,788 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 [2021-11-19 04:52:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,497 INFO L244 Elim1Store]: Index analysis took 701 ms [2021-11-19 04:52:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:42,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:42,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:42,468 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:42,468 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 [2021-11-19 04:52:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:42,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:43,731 INFO L244 Elim1Store]: Index analysis took 1079 ms [2021-11-19 04:52:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:44,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:44,591 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 [2021-11-19 04:52:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,043 INFO L244 Elim1Store]: Index analysis took 1227 ms [2021-11-19 04:52:46,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:47,172 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:47,172 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 [2021-11-19 04:52:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,341 INFO L244 Elim1Store]: Index analysis took 951 ms [2021-11-19 04:52:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:48,856 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:48,856 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 [2021-11-19 04:52:49,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,648 INFO L244 Elim1Store]: Index analysis took 658 ms [2021-11-19 04:52:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:50,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:50,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:50,271 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 [2021-11-19 04:52:50,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:51,052 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-19 04:52:51,053 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 [2021-11-19 04:52:51,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:51,232 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-19 04:52:51,233 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 [2021-11-19 04:52:51,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:51,482 INFO L354 Elim1Store]: treesize reduction 174, result has 0.6 percent of original size [2021-11-19 04:52:51,483 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 [2021-11-19 04:52:51,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:51,783 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-19 04:52:51,784 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 [2021-11-19 04:52:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:51,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:52,114 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-19 04:52:52,115 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 [2021-11-19 04:52:52,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:52,374 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-19 04:52:52,375 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 [2021-11-19 04:52:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:52,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:52,581 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-11-19 04:52:52,582 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 [2021-11-19 04:52:52,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:52,711 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-19 04:52:52,711 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 [2021-11-19 04:52:52,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:52,807 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-19 04:52:52,808 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 [2021-11-19 04:52:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:52,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:53,645 INFO L354 Elim1Store]: treesize reduction 178, result has 0.6 percent of original size [2021-11-19 04:52:53,645 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 [2021-11-19 04:52:53,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:53,782 INFO L354 Elim1Store]: treesize reduction 2572, result has 0.0 percent of original size [2021-11-19 04:52:53,783 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 [2021-11-19 04:52:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:55,319 INFO L354 Elim1Store]: treesize reduction 1200, result has 6.5 percent of original size [2021-11-19 04:52:55,319 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 [2021-11-19 04:52:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:55,561 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 [2021-11-19 04:52:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:55,655 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-19 04:52:55,656 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 [2021-11-19 04:52:56,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:56,994 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-19 04:52:56,995 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 [2021-11-19 04:52:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,215 INFO L354 Elim1Store]: treesize reduction 544, result has 12.3 percent of original size [2021-11-19 04:52:57,215 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 [2021-11-19 04:52:57,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:52:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:52:57,248 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-19 04:52:57,249 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 [2021-11-19 04:52:58,190 INFO L354 Elim1Store]: treesize reduction 364, result has 39.8 percent of original size [2021-11-19 04:52:58,190 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 [2021-11-19 04:52:58,211 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-19 04:52:58,212 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 [2021-11-19 04:52:58,305 INFO L354 Elim1Store]: treesize reduction 244, result has 11.6 percent of original size [2021-11-19 04:52:58,305 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 [2021-11-19 04:52:58,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:52:58,326 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 [2021-11-19 04:54:07,196 INFO L354 Elim1Store]: treesize reduction 344, result has 23.7 percent of original size [2021-11-19 04:54:07,197 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 [2021-11-19 04:54:58,043 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-19 04:54:58,043 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 [2021-11-19 04:54:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 04:54:58,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:54:58,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:58,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872284677] [2021-11-19 04:54:58,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:54:58,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340070189] [2021-11-19 04:54:58,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340070189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:58,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:58,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 04:54:58,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944820362] [2021-11-19 04:54:58,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:58,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 04:54:58,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:58,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 04:54:58,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-19 04:54:58,118 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) [2021-11-19 04:55:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:55:01,501 INFO L93 Difference]: Finished difference Result 334 states and 420 transitions. [2021-11-19 04:55:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 04:55:01,503 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 [2021-11-19 04:55:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:55:01,507 INFO L225 Difference]: With dead ends: 334 [2021-11-19 04:55:01,507 INFO L226 Difference]: Without dead ends: 333 [2021-11-19 04:55:01,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-19 04:55:01,509 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 107 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:55:01,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 1501 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 495 Invalid, 0 Unknown, 96 Unchecked, 2.7s Time] [2021-11-19 04:55:01,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-19 04:55:01,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2021-11-19 04:55:01,527 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) [2021-11-19 04:55:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 416 transitions. [2021-11-19 04:55:01,530 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 416 transitions. Word has length 72 [2021-11-19 04:55:01,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:55:01,531 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 416 transitions. [2021-11-19 04:55:01,532 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) [2021-11-19 04:55:01,532 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 416 transitions. [2021-11-19 04:55:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 04:55:01,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:55:01,534 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] [2021-11-19 04:55:01,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 04:55:01,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-19 04:55:01,738 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)] === [2021-11-19 04:55:01,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:55:01,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1377459572, now seen corresponding path program 1 times [2021-11-19 04:55:01,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:55:01,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881900893] [2021-11-19 04:55:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:55:01,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:55:01,760 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:55:01,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786929341] [2021-11-19 04:55:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:55:01,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:55:01,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:55:01,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:55:01,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 04:55:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:55:02,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 04:55:02,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:55:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:55:02,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:55:02,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:55:02,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881900893] [2021-11-19 04:55:02,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:55:02,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786929341] [2021-11-19 04:55:02,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786929341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:55:02,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:55:02,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:55:02,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251876129] [2021-11-19 04:55:02,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:55:02,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:55:02,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:55:02,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:55:02,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:55:02,444 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) [2021-11-19 04:55:02,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:55:02,509 INFO L93 Difference]: Finished difference Result 589 states and 747 transitions. [2021-11-19 04:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:55:02,510 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 [2021-11-19 04:55:02,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:55:02,513 INFO L225 Difference]: With dead ends: 589 [2021-11-19 04:55:02,513 INFO L226 Difference]: Without dead ends: 311 [2021-11-19 04:55:02,514 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 [2021-11-19 04:55:02,515 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 [2021-11-19 04:55:02,515 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] [2021-11-19 04:55:02,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-19 04:55:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2021-11-19 04:55:02,554 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) [2021-11-19 04:55:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 384 transitions. [2021-11-19 04:55:02,557 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 384 transitions. Word has length 72 [2021-11-19 04:55:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:55:02,558 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 384 transitions. [2021-11-19 04:55:02,558 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) [2021-11-19 04:55:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 384 transitions. [2021-11-19 04:55:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-19 04:55:02,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:55:02,562 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] [2021-11-19 04:55:02,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 04:55:02,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:55:02,763 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)] === [2021-11-19 04:55:02,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:55:02,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1802358612, now seen corresponding path program 1 times [2021-11-19 04:55:02,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:55:02,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780433384] [2021-11-19 04:55:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:55:02,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:55:02,777 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:55:02,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123769885] [2021-11-19 04:55:02,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:55:02,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:55:02,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:55:02,802 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:55:02,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df1ebc9-2a41-4848-944e-71d43976130b/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 04:55:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:55:02,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-19 04:55:03,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:55:03,019 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 [2021-11-19 04:55:03,063 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 [2021-11-19 04:55:03,185 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 04:55:03,185 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 [2021-11-19 04:55:03,324 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 [2021-11-19 04:55:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,515 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 [2021-11-19 04:55:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,620 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 [2021-11-19 04:55:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,637 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 [2021-11-19 04:55:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:05,820 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 [2021-11-19 04:55:05,906 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 [2021-11-19 04:55:05,913 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 [2021-11-19 04:55:05,967 INFO L354 Elim1Store]: treesize reduction 70, result has 23.1 percent of original size [2021-11-19 04:55:05,967 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 [2021-11-19 04:55:05,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:06,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:06,002 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 [2021-11-19 04:55:06,287 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 [2021-11-19 04:55:06,297 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 04:55:06,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-19 04:55:06,304 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