./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:33:48,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:33:48,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:33:48,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:33:48,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:33:48,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:33:48,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:33:48,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:33:48,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:33:48,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:33:48,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:33:48,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:33:48,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:33:48,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:33:48,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:33:48,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:33:48,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:33:48,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:33:48,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:33:48,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:33:48,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:33:48,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:33:48,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:33:48,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:33:48,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:33:48,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:33:48,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:33:48,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:33:48,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:33:48,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:33:48,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:33:48,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:33:48,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:33:48,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:33:48,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:33:48,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:33:48,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:33:48,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:33:48,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:33:48,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:33:48,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:33:48,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 12:33:48,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:33:48,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:33:48,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:33:48,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:33:48,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:33:48,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:33:48,361 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:33:48,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:33:48,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:33:48,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:33:48,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:33:48,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:33:48,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:33:48,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:33:48,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:33:48,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:33:48,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:33:48,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:33:48,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:33:48,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:33:48,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:33:48,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:33:48,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:33:48,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:33:48,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:33:48,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:33:48,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:33:48,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:33:48,367 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:33:48,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:33:48,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:33:48,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:33:48,368 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_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2021-11-23 12:33:48,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:33:48,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:33:48,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:33:48,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:33:48,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:33:48,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2021-11-23 12:33:48,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/data/d99c812b4/fc8ae1fae6a84728b36195aa1d315229/FLAG3c5154b92 [2021-11-23 12:33:49,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:33:49,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2021-11-23 12:33:49,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/data/d99c812b4/fc8ae1fae6a84728b36195aa1d315229/FLAG3c5154b92 [2021-11-23 12:33:50,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/data/d99c812b4/fc8ae1fae6a84728b36195aa1d315229 [2021-11-23 12:33:50,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:33:50,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:33:50,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:33:50,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:33:50,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:33:50,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:50" (1/1) ... [2021-11-23 12:33:50,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aab3def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:50, skipping insertion in model container [2021-11-23 12:33:50,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:50" (1/1) ... [2021-11-23 12:33:50,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:33:50,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:33:51,249 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_3fe8b6f3-610d-449a-99e4-75f7ef483be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2021-11-23 12:33:51,617 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_3fe8b6f3-610d-449a-99e4-75f7ef483be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2021-11-23 12:33:51,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:33:51,636 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:33:51,725 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_3fe8b6f3-610d-449a-99e4-75f7ef483be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2021-11-23 12:33:51,988 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_3fe8b6f3-610d-449a-99e4-75f7ef483be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2021-11-23 12:33:51,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:33:52,127 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:33:52,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52 WrapperNode [2021-11-23 12:33:52,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:33:52,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:33:52,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:33:52,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:33:52,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,453 INFO L137 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 506, calls inlined = 506, statements flattened = 4379 [2021-11-23 12:33:52,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:33:52,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:33:52,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:33:52,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:33:52,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:33:52,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:33:52,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:33:52,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:33:52,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (1/1) ... [2021-11-23 12:33:52,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:33:52,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:33:52,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:33:52,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:33:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:33:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:33:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:33:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:33:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:33:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:33:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 12:33:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:33:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:33:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:33:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:33:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:33:53,326 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:33:53,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:33:57,785 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:33:57,829 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:33:57,830 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 12:33:57,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:57 BoogieIcfgContainer [2021-11-23 12:33:57,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:33:57,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:33:57,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:33:57,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:33:57,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:33:50" (1/3) ... [2021-11-23 12:33:57,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de538a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:33:57, skipping insertion in model container [2021-11-23 12:33:57,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:52" (2/3) ... [2021-11-23 12:33:57,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de538a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:33:57, skipping insertion in model container [2021-11-23 12:33:57,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:57" (3/3) ... [2021-11-23 12:33:57,855 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-1.i [2021-11-23 12:33:57,863 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:33:57,863 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-23 12:33:57,952 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:33:57,961 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=PETRI_NET, 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 [2021-11-23 12:33:57,961 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-23 12:33:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 2657 states, 2155 states have (on average 1.7461716937354987) internal successors, (3763), 2656 states have internal predecessors, (3763), 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) [2021-11-23 12:33:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 12:33:58,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:33:58,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:33:58,087 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:33:58,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:33:58,095 INFO L85 PathProgramCache]: Analyzing trace with hash 239453319, now seen corresponding path program 1 times [2021-11-23 12:33:58,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:33:58,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626625181] [2021-11-23 12:33:58,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:33:58,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:33:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:33:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:33:58,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:33:58,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626625181] [2021-11-23 12:33:58,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626625181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:33:58,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:33:58,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:33:58,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306267342] [2021-11-23 12:33:58,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:33:58,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 12:33:58,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:33:58,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:33:58,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:33:58,436 INFO L87 Difference]: Start difference. First operand has 2657 states, 2155 states have (on average 1.7461716937354987) internal successors, (3763), 2656 states have internal predecessors, (3763), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-23 12:33:58,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:33:58,698 INFO L93 Difference]: Finished difference Result 5312 states and 7524 transitions. [2021-11-23 12:33:58,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:33:58,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-23 12:33:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:33:58,750 INFO L225 Difference]: With dead ends: 5312 [2021-11-23 12:33:58,750 INFO L226 Difference]: Without dead ends: 2653 [2021-11-23 12:33:58,761 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 [2021-11-23 12:33:58,766 INFO L933 BasicCegarLoop]: 3204 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, 3204 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 [2021-11-23 12:33:58,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3204 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:33:58,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2021-11-23 12:33:58,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2653. [2021-11-23 12:33:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2152 states have (on average 1.486988847583643) internal successors, (3200), 2652 states have internal predecessors, (3200), 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) [2021-11-23 12:33:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3200 transitions. [2021-11-23 12:33:58,977 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3200 transitions. Word has length 9 [2021-11-23 12:33:58,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:33:58,978 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 3200 transitions. [2021-11-23 12:33:58,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-23 12:33:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3200 transitions. [2021-11-23 12:33:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 12:33:58,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:33:58,982 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:33:58,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:33:58,983 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:33:58,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:33:58,984 INFO L85 PathProgramCache]: Analyzing trace with hash 627556097, now seen corresponding path program 1 times [2021-11-23 12:33:58,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:33:58,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035185373] [2021-11-23 12:33:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:33:58,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:33:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:33:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:33:59,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:33:59,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035185373] [2021-11-23 12:33:59,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035185373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:33:59,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:33:59,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:33:59,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500632006] [2021-11-23 12:33:59,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:33:59,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:33:59,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:33:59,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:33:59,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:33:59,133 INFO L87 Difference]: Start difference. First operand 2653 states and 3200 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:33:59,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:33:59,982 INFO L93 Difference]: Finished difference Result 7817 states and 9415 transitions. [2021-11-23 12:33:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:33:59,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-23 12:33:59,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:00,023 INFO L225 Difference]: With dead ends: 7817 [2021-11-23 12:34:00,023 INFO L226 Difference]: Without dead ends: 5254 [2021-11-23 12:34:00,034 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 [2021-11-23 12:34:00,037 INFO L933 BasicCegarLoop]: 3164 mSDtfsCounter, 3128 mSDsluCounter, 6295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 9459 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 12:34:00,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3128 Valid, 9459 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 12:34:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2021-11-23 12:34:00,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 2655. [2021-11-23 12:34:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2655 states, 2154 states have (on average 1.4865366759517178) internal successors, (3202), 2654 states have internal predecessors, (3202), 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) [2021-11-23 12:34:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 3202 transitions. [2021-11-23 12:34:00,173 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 3202 transitions. Word has length 44 [2021-11-23 12:34:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:00,174 INFO L470 AbstractCegarLoop]: Abstraction has 2655 states and 3202 transitions. [2021-11-23 12:34:00,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:34:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 3202 transitions. [2021-11-23 12:34:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:34:00,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:00,190 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:00,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:34:00,191 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:00,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:00,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1103283153, now seen corresponding path program 1 times [2021-11-23 12:34:00,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:00,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496215328] [2021-11-23 12:34:00,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:00,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:00,256 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:00,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306223891] [2021-11-23 12:34:00,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:00,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:00,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:00,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:00,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 12:34:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:00,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:34:00,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:34:00,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:00,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:00,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496215328] [2021-11-23 12:34:00,861 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:00,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306223891] [2021-11-23 12:34:00,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306223891] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:00,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:00,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:34:00,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284155006] [2021-11-23 12:34:00,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:00,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:34:00,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:00,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:34:00,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:34:00,873 INFO L87 Difference]: Start difference. First operand 2655 states and 3202 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-23 12:34:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:01,068 INFO L93 Difference]: Finished difference Result 5327 states and 6431 transitions. [2021-11-23 12:34:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:34:01,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-23 12:34:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:01,088 INFO L225 Difference]: With dead ends: 5327 [2021-11-23 12:34:01,088 INFO L226 Difference]: Without dead ends: 2676 [2021-11-23 12:34:01,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:34:01,097 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 9 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6345 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 [2021-11-23 12:34:01,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 6345 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:34:01,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-11-23 12:34:01,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2675. [2021-11-23 12:34:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 2174 states have (on average 1.4820607175712972) internal successors, (3222), 2674 states have internal predecessors, (3222), 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) [2021-11-23 12:34:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3222 transitions. [2021-11-23 12:34:01,194 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3222 transitions. Word has length 96 [2021-11-23 12:34:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:01,196 INFO L470 AbstractCegarLoop]: Abstraction has 2675 states and 3222 transitions. [2021-11-23 12:34:01,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-23 12:34:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3222 transitions. [2021-11-23 12:34:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:34:01,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:01,203 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:01,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:34:01,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:01,431 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:01,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1343522899, now seen corresponding path program 1 times [2021-11-23 12:34:01,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:01,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186967660] [2021-11-23 12:34:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:01,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:01,490 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:01,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037914598] [2021-11-23 12:34:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:01,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:01,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:01,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:01,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 12:34:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:01,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:34:01,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:34:01,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:01,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:01,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186967660] [2021-11-23 12:34:01,993 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:01,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037914598] [2021-11-23 12:34:01,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037914598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:02,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:02,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:34:02,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579867233] [2021-11-23 12:34:02,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:02,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:34:02,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:02,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:34:02,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:34:02,005 INFO L87 Difference]: Start difference. First operand 2675 states and 3222 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-23 12:34:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:02,212 INFO L93 Difference]: Finished difference Result 5258 states and 6334 transitions. [2021-11-23 12:34:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:34:02,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 96 [2021-11-23 12:34:02,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:02,236 INFO L225 Difference]: With dead ends: 5258 [2021-11-23 12:34:02,237 INFO L226 Difference]: Without dead ends: 2696 [2021-11-23 12:34:02,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:34:02,245 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 9 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6345 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 [2021-11-23 12:34:02,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 6345 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:34:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2021-11-23 12:34:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2695. [2021-11-23 12:34:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2194 states have (on average 1.4776663628076572) internal successors, (3242), 2694 states have internal predecessors, (3242), 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) [2021-11-23 12:34:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3242 transitions. [2021-11-23 12:34:02,396 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3242 transitions. Word has length 96 [2021-11-23 12:34:02,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:02,398 INFO L470 AbstractCegarLoop]: Abstraction has 2695 states and 3242 transitions. [2021-11-23 12:34:02,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-23 12:34:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3242 transitions. [2021-11-23 12:34:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:34:02,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:02,401 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:02,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:34:02,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:02,623 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:02,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1663727951, now seen corresponding path program 1 times [2021-11-23 12:34:02,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:02,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754370073] [2021-11-23 12:34:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:02,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:02,660 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:02,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587802772] [2021-11-23 12:34:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:02,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:02,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:02,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 12:34:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:02,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:34:02,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:34:03,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:03,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:03,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754370073] [2021-11-23 12:34:03,171 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:03,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587802772] [2021-11-23 12:34:03,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587802772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:03,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:03,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:34:03,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375725307] [2021-11-23 12:34:03,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:03,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:34:03,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:03,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:34:03,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:34:03,176 INFO L87 Difference]: Start difference. First operand 2695 states and 3242 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-23 12:34:03,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:03,412 INFO L93 Difference]: Finished difference Result 5378 states and 6472 transitions. [2021-11-23 12:34:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:34:03,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2021-11-23 12:34:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:03,436 INFO L225 Difference]: With dead ends: 5378 [2021-11-23 12:34:03,436 INFO L226 Difference]: Without dead ends: 2687 [2021-11-23 12:34:03,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:34:03,443 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 3188 mSDsluCounter, 3176 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 6356 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 [2021-11-23 12:34:03,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3188 Valid, 6356 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:34:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2021-11-23 12:34:03,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2681. [2021-11-23 12:34:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 2180 states have (on average 1.4775229357798165) internal successors, (3221), 2680 states have internal predecessors, (3221), 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) [2021-11-23 12:34:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3221 transitions. [2021-11-23 12:34:03,550 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3221 transitions. Word has length 96 [2021-11-23 12:34:03,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:03,551 INFO L470 AbstractCegarLoop]: Abstraction has 2681 states and 3221 transitions. [2021-11-23 12:34:03,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-23 12:34:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3221 transitions. [2021-11-23 12:34:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:34:03,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:03,554 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:03,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:34:03,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:03,783 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash 570140223, now seen corresponding path program 1 times [2021-11-23 12:34:03,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:03,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949844295] [2021-11-23 12:34:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:03,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:03,829 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:03,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422731510] [2021-11-23 12:34:03,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:03,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:03,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:03,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:03,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 12:34:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:04,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:34:04,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:34:04,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:04,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:04,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949844295] [2021-11-23 12:34:04,251 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:04,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422731510] [2021-11-23 12:34:04,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422731510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:04,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:04,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:34:04,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939346741] [2021-11-23 12:34:04,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:04,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:34:04,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:04,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:34:04,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:34:04,256 INFO L87 Difference]: Start difference. First operand 2681 states and 3221 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-23 12:34:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:04,450 INFO L93 Difference]: Finished difference Result 5255 states and 6314 transitions. [2021-11-23 12:34:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:34:04,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 96 [2021-11-23 12:34:04,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:04,471 INFO L225 Difference]: With dead ends: 5255 [2021-11-23 12:34:04,471 INFO L226 Difference]: Without dead ends: 2673 [2021-11-23 12:34:04,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:34:04,478 INFO L933 BasicCegarLoop]: 3171 mSDtfsCounter, 3071 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 6446 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 [2021-11-23 12:34:04,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3071 Valid, 6446 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:34:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2021-11-23 12:34:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2667. [2021-11-23 12:34:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2166 states have (on average 1.4773776546629733) internal successors, (3200), 2666 states have internal predecessors, (3200), 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) [2021-11-23 12:34:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3200 transitions. [2021-11-23 12:34:04,566 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3200 transitions. Word has length 96 [2021-11-23 12:34:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:04,568 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 3200 transitions. [2021-11-23 12:34:04,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-23 12:34:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3200 transitions. [2021-11-23 12:34:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 12:34:04,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:04,578 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:04,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:34:04,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:04,791 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:04,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:04,792 INFO L85 PathProgramCache]: Analyzing trace with hash -312708623, now seen corresponding path program 1 times [2021-11-23 12:34:04,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:04,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105289080] [2021-11-23 12:34:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:04,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:04,823 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:04,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989102128] [2021-11-23 12:34:04,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:04,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:04,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:04,827 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:04,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 12:34:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:05,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:34:05,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:34:05,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:05,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:05,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105289080] [2021-11-23 12:34:05,401 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:05,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989102128] [2021-11-23 12:34:05,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989102128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:05,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:05,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:34:05,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597353950] [2021-11-23 12:34:05,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:05,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:34:05,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:05,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:34:05,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:34:05,406 INFO L87 Difference]: Start difference. First operand 2667 states and 3200 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-23 12:34:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:05,563 INFO L93 Difference]: Finished difference Result 7926 states and 9504 transitions. [2021-11-23 12:34:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:34:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-23 12:34:05,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:05,597 INFO L225 Difference]: With dead ends: 7926 [2021-11-23 12:34:05,598 INFO L226 Difference]: Without dead ends: 5263 [2021-11-23 12:34:05,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:34:05,604 INFO L933 BasicCegarLoop]: 3227 mSDtfsCounter, 3069 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 6391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:34:05,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 6391 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:34:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5263 states. [2021-11-23 12:34:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5263 to 4261. [2021-11-23 12:34:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 3760 states have (on average 1.5438829787234043) internal successors, (5805), 4260 states have internal predecessors, (5805), 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) [2021-11-23 12:34:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 5805 transitions. [2021-11-23 12:34:05,760 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 5805 transitions. Word has length 96 [2021-11-23 12:34:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:05,761 INFO L470 AbstractCegarLoop]: Abstraction has 4261 states and 5805 transitions. [2021-11-23 12:34:05,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-23 12:34:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 5805 transitions. [2021-11-23 12:34:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 12:34:05,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:05,763 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:05,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:34:05,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:05,979 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:05,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1091148224, now seen corresponding path program 1 times [2021-11-23 12:34:05,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:05,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326162354] [2021-11-23 12:34:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:06,016 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:06,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031448929] [2021-11-23 12:34:06,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:06,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:06,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:06,024 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:06,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 12:34:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:06,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:34:06,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:34:06,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:06,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:06,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326162354] [2021-11-23 12:34:06,591 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:06,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031448929] [2021-11-23 12:34:06,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031448929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:06,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:06,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:34:06,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590997979] [2021-11-23 12:34:06,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:06,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:34:06,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:34:06,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:34:06,595 INFO L87 Difference]: Start difference. First operand 4261 states and 5805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:34:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:07,362 INFO L93 Difference]: Finished difference Result 6924 states and 9001 transitions. [2021-11-23 12:34:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:34:07,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 12:34:07,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:34:07,398 INFO L225 Difference]: With dead ends: 6924 [2021-11-23 12:34:07,402 INFO L226 Difference]: Without dead ends: 2711 [2021-11-23 12:34:07,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:34:07,412 INFO L933 BasicCegarLoop]: 3192 mSDtfsCounter, 6260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6260 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 12:34:07,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6260 Valid, 3241 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 12:34:07,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2021-11-23 12:34:07,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2711. [2021-11-23 12:34:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2711 states, 2210 states have (on average 1.4692307692307693) internal successors, (3247), 2710 states have internal predecessors, (3247), 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) [2021-11-23 12:34:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 3247 transitions. [2021-11-23 12:34:07,521 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 3247 transitions. Word has length 103 [2021-11-23 12:34:07,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:34:07,523 INFO L470 AbstractCegarLoop]: Abstraction has 2711 states and 3247 transitions. [2021-11-23 12:34:07,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:34:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3247 transitions. [2021-11-23 12:34:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 12:34:07,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:34:07,527 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:07,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:34:07,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-23 12:34:07,743 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-23 12:34:07,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:07,743 INFO L85 PathProgramCache]: Analyzing trace with hash 541782298, now seen corresponding path program 1 times [2021-11-23 12:34:07,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:07,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596466713] [2021-11-23 12:34:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:07,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:07,776 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:07,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1892811275] [2021-11-23 12:34:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:07,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:07,789 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:07,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe8b6f3-610d-449a-99e4-75f7ef483be7/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 12:34:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:08,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 12:34:08,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:08,085 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 [2021-11-23 12:34:08,093 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 [2021-11-23 12:34:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:08,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2021-11-23 12:34:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:08,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:08,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-23 12:34:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,713 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 75 treesize of output 57 [2021-11-23 12:34:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,734 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 51 treesize of output 44 [2021-11-23 12:34:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-23 12:34:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:09,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-23 12:34:09,988 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 29 treesize of output 25 [2021-11-23 12:34:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,013 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-23 12:34:10,014 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 22 treesize of output 30 [2021-11-23 12:34:10,033 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 13 treesize of output 9 [2021-11-23 12:34:10,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:10,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-23 12:34:13,203 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-23 12:34:13,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-23 12:34:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,602 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-23 12:34:15,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-23 12:34:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:26,464 WARN L227 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:34:26,492 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-23 12:34:26,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-23 12:34:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:28,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-23 12:34:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:28,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-23 12:34:30,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:34:30,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:34:30,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:34:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:30,313 INFO L244 Elim1Store]: Index analysis took 310 ms [2021-11-23 12:34:30,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 418 [2021-11-23 12:34:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:34:31,611 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 129 treesize of output 87 [2021-11-23 12:34:32,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:34:32,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:34:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:35,124 WARN L227 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:36:35,135 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-23 12:36:35,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 1953329 treesize of output 803538 [2021-11-23 12:36:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,362 INFO L244 Elim1Store]: Index analysis took 359 ms [2021-11-23 12:36:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:43,600 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:36:43,601 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 840 treesize of output 388 [2021-11-23 12:36:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:45,824 INFO L244 Elim1Store]: Index analysis took 639 ms [2021-11-23 12:36:45,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,502 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:36:46,503 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 1523 treesize of output 669 [2021-11-23 12:36:46,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,023 INFO L244 Elim1Store]: Index analysis took 329 ms [2021-11-23 12:36:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:36:47,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-23 12:36:47,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,275 INFO L244 Elim1Store]: Index analysis took 511 ms [2021-11-23 12:36:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 12:36:48,587 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 12:36:48,588 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 716 treesize of output 332