./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0 --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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:02:40,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:02:40,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:02:40,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:02:40,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:02:40,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:02:40,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:02:40,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:02:40,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:02:40,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:02:40,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:02:40,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:02:40,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:02:40,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:02:40,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:02:40,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:02:40,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:02:40,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:02:40,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:02:40,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:02:40,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:02:40,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:02:40,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:02:40,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:02:40,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:02:40,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:02:40,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:02:40,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:02:40,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:02:40,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:02:40,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:02:40,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:02:40,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:02:40,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:02:40,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:02:40,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:02:40,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:02:40,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:02:40,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:02:40,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:02:40,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:02:40,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:02:40,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:02:40,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:02:40,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:02:40,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:02:40,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:02:40,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:02:40,990 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:02:40,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:02:40,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:02:40,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:02:40,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:02:40,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:02:40,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:02:40,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:02:40,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:02:40,994 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:02:40,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:02:40,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:02:40,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:02:40,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:02:40,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:02:40,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:02:40,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:02:40,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:02:40,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:02:40,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:02:40,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:02:40,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:02:40,998 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:02:40,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:02:40,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:02:40,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:02:40,999 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_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2021-11-22 15:02:41,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:02:41,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:02:41,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:02:41,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:02:41,378 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:02:41,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-22 15:02:41,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/data/e1d7c6832/12f292a1c6aa4abbb353acad5c0d03c4/FLAGa68c103c5 [2021-11-22 15:02:42,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:02:42,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-22 15:02:42,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/data/e1d7c6832/12f292a1c6aa4abbb353acad5c0d03c4/FLAGa68c103c5 [2021-11-22 15:02:42,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/data/e1d7c6832/12f292a1c6aa4abbb353acad5c0d03c4 [2021-11-22 15:02:42,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:02:42,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:02:42,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:02:42,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:02:42,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:02:42,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:02:42" (1/1) ... [2021-11-22 15:02:42,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bab2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:42, skipping insertion in model container [2021-11-22 15:02:42,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:02:42" (1/1) ... [2021-11-22 15:02:42,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:02:42,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:02:43,189 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_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-22 15:02:43,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-22 15:02:43,407 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_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-22 15:02:43,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:02:43,439 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:02:43,484 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_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-22 15:02:43,547 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_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-22 15:02:43,549 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_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-22 15:02:43,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:02:43,611 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:02:43,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43 WrapperNode [2021-11-22 15:02:43,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:02:43,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:02:43,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:02:43,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:02:43,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:43,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:43,823 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 1011 [2021-11-22 15:02:43,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:02:43,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:02:43,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:02:43,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:02:43,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:43,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:43,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:43,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:44,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:44,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:44,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:44,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:02:44,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:02:44,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:02:44,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:02:44,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (1/1) ... [2021-11-22 15:02:44,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:02:44,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:44,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:02:44,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:02:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:02:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:02:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:02:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:02:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:02:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:02:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:02:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:02:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:02:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:02:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:02:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:02:44,434 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:02:44,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:02:45,779 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:02:45,799 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:02:45,799 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-22 15:02:45,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:02:45 BoogieIcfgContainer [2021-11-22 15:02:45,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:02:45,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:02:45,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:02:45,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:02:45,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:02:42" (1/3) ... [2021-11-22 15:02:45,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cff1715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:02:45, skipping insertion in model container [2021-11-22 15:02:45,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:02:43" (2/3) ... [2021-11-22 15:02:45,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cff1715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:02:45, skipping insertion in model container [2021-11-22 15:02:45,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:02:45" (3/3) ... [2021-11-22 15:02:45,819 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2021-11-22 15:02:45,838 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:02:45,838 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-22 15:02:45,900 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:02:45,908 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 [2021-11-22 15:02:45,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-22 15:02:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 179 states have (on average 1.7094972067039107) internal successors, (306), 181 states have internal predecessors, (306), 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) [2021-11-22 15:02:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 15:02:45,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:45,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:02:45,944 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:45,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:45,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1366407864, now seen corresponding path program 1 times [2021-11-22 15:02:45,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:45,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308546265] [2021-11-22 15:02:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:45,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:02:46,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:46,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308546265] [2021-11-22 15:02:46,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308546265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:46,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:46,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:02:46,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067197035] [2021-11-22 15:02:46,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:46,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:02:46,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:46,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:02:46,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:02:46,237 INFO L87 Difference]: Start difference. First operand has 182 states, 179 states have (on average 1.7094972067039107) internal successors, (306), 181 states have internal predecessors, (306), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-22 15:02:46,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:46,309 INFO L93 Difference]: Finished difference Result 361 states and 609 transitions. [2021-11-22 15:02:46,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:02:46,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-22 15:02:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:46,324 INFO L225 Difference]: With dead ends: 361 [2021-11-22 15:02:46,325 INFO L226 Difference]: Without dead ends: 177 [2021-11-22 15:02:46,329 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 [2021-11-22 15:02:46,334 INFO L933 BasicCegarLoop]: 236 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, 236 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 [2021-11-22 15:02:46,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:02:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-22 15:02:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-22 15:02:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 176 states have internal predecessors, (232), 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) [2021-11-22 15:02:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2021-11-22 15:02:46,393 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 232 transitions. Word has length 8 [2021-11-22 15:02:46,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:46,394 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 232 transitions. [2021-11-22 15:02:46,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-22 15:02:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2021-11-22 15:02:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 15:02:46,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:46,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:02:46,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:02:46,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:46,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:46,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1136278917, now seen corresponding path program 1 times [2021-11-22 15:02:46,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:46,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971649635] [2021-11-22 15:02:46,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:46,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:02:46,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:46,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971649635] [2021-11-22 15:02:46,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971649635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:46,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:46,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:02:46,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5477891] [2021-11-22 15:02:46,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:46,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:02:46,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:46,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:02:46,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:02:46,491 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-11-22 15:02:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:47,106 INFO L93 Difference]: Finished difference Result 382 states and 501 transitions. [2021-11-22 15:02:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:02:47,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2021-11-22 15:02:47,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:47,111 INFO L225 Difference]: With dead ends: 382 [2021-11-22 15:02:47,111 INFO L226 Difference]: Without dead ends: 295 [2021-11-22 15:02:47,113 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 [2021-11-22 15:02:47,115 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 146 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:02:47,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 564 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 15:02:47,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-11-22 15:02:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 179. [2021-11-22 15:02:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 177 states have (on average 1.3220338983050848) internal successors, (234), 178 states have internal predecessors, (234), 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) [2021-11-22 15:02:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 234 transitions. [2021-11-22 15:02:47,166 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 234 transitions. Word has length 10 [2021-11-22 15:02:47,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:47,166 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 234 transitions. [2021-11-22 15:02:47,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-11-22 15:02:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 234 transitions. [2021-11-22 15:02:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:02:47,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:47,170 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] [2021-11-22 15:02:47,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:02:47,171 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:47,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2095912151, now seen corresponding path program 1 times [2021-11-22 15:02:47,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:47,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92692794] [2021-11-22 15:02:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:47,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:47,249 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:47,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019845110] [2021-11-22 15:02:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:47,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:47,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:47,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:47,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:02:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:02:47,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:02:47,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:47,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:47,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92692794] [2021-11-22 15:02:47,760 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:47,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019845110] [2021-11-22 15:02:47,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019845110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:47,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:47,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:02:47,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55152001] [2021-11-22 15:02:47,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:47,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:02:47,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:47,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:02:47,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:02:47,775 INFO L87 Difference]: Start difference. First operand 179 states and 234 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-22 15:02:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:47,895 INFO L93 Difference]: Finished difference Result 375 states and 495 transitions. [2021-11-22 15:02:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:02:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2021-11-22 15:02:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:47,902 INFO L225 Difference]: With dead ends: 375 [2021-11-22 15:02:47,902 INFO L226 Difference]: Without dead ends: 200 [2021-11-22 15:02:47,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:02:47,912 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 9 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 409 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 [2021-11-22 15:02:47,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 409 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:02:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-11-22 15:02:47,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 199. [2021-11-22 15:02:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 197 states have (on average 1.2893401015228427) internal successors, (254), 198 states have internal predecessors, (254), 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) [2021-11-22 15:02:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 254 transitions. [2021-11-22 15:02:47,950 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 254 transitions. Word has length 62 [2021-11-22 15:02:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:47,950 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 254 transitions. [2021-11-22 15:02:47,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-22 15:02:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 254 transitions. [2021-11-22 15:02:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:02:47,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:47,955 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] [2021-11-22 15:02:47,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:48,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:48,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:48,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1305568807, now seen corresponding path program 1 times [2021-11-22 15:02:48,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:48,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728705436] [2021-11-22 15:02:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:48,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:48,184 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:48,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734009025] [2021-11-22 15:02:48,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:48,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:48,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:48,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:48,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:02:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:48,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:02:48,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:02:48,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:48,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:48,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728705436] [2021-11-22 15:02:48,568 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:48,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734009025] [2021-11-22 15:02:48,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734009025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:48,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:48,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:02:48,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279447157] [2021-11-22 15:02:48,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:48,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:02:48,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:48,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:02:48,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:02:48,579 INFO L87 Difference]: Start difference. First operand 199 states and 254 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-11-22 15:02:48,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:48,707 INFO L93 Difference]: Finished difference Result 386 states and 496 transitions. [2021-11-22 15:02:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:02:48,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2021-11-22 15:02:48,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:48,711 INFO L225 Difference]: With dead ends: 386 [2021-11-22 15:02:48,711 INFO L226 Difference]: Without dead ends: 191 [2021-11-22 15:02:48,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:02:48,717 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 220 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 420 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 [2021-11-22 15:02:48,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 420 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:02:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-22 15:02:48,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2021-11-22 15:02:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.273224043715847) internal successors, (233), 184 states have internal predecessors, (233), 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) [2021-11-22 15:02:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2021-11-22 15:02:48,742 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 62 [2021-11-22 15:02:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:48,747 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2021-11-22 15:02:48,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-11-22 15:02:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2021-11-22 15:02:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:02:48,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:48,755 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] [2021-11-22 15:02:48,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:48,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:48,980 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:48,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:48,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1777715509, now seen corresponding path program 1 times [2021-11-22 15:02:48,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:48,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735099984] [2021-11-22 15:02:48,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:48,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:49,002 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:49,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396691052] [2021-11-22 15:02:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:49,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:49,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:49,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:49,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:02:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:49,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:02:49,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:02:49,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:49,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:49,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735099984] [2021-11-22 15:02:49,587 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:49,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396691052] [2021-11-22 15:02:49,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396691052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:49,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:49,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:02:49,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015849791] [2021-11-22 15:02:49,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:49,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:02:49,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:49,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:02:49,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:02:49,590 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-22 15:02:49,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:49,709 INFO L93 Difference]: Finished difference Result 479 states and 602 transitions. [2021-11-22 15:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:02:49,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2021-11-22 15:02:49,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:49,713 INFO L225 Difference]: With dead ends: 479 [2021-11-22 15:02:49,713 INFO L226 Difference]: Without dead ends: 298 [2021-11-22 15:02:49,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:02:49,715 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 105 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:02:49,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 463 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:02:49,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-11-22 15:02:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 291. [2021-11-22 15:02:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 289 states have (on average 1.2664359861591696) internal successors, (366), 290 states have internal predecessors, (366), 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) [2021-11-22 15:02:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 366 transitions. [2021-11-22 15:02:49,731 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 366 transitions. Word has length 62 [2021-11-22 15:02:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:49,734 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 366 transitions. [2021-11-22 15:02:49,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-22 15:02:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 366 transitions. [2021-11-22 15:02:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 15:02:49,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:49,742 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] [2021-11-22 15:02:49,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:49,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:49,968 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:49,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:49,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1300403396, now seen corresponding path program 1 times [2021-11-22 15:02:49,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:49,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947249482] [2021-11-22 15:02:49,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:49,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:49,989 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:49,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205913653] [2021-11-22 15:02:49,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:49,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:49,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:49,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:02:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:50,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:02:50,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:50,402 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 [2021-11-22 15:02:50,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-22 15:02:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:02:50,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:50,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:50,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947249482] [2021-11-22 15:02:50,446 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:50,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205913653] [2021-11-22 15:02:50,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205913653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:50,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:50,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:02:50,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869169133] [2021-11-22 15:02:50,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:50,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:02:50,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:50,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:02:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:02:50,451 INFO L87 Difference]: Start difference. First operand 291 states and 366 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-22 15:02:50,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:50,880 INFO L93 Difference]: Finished difference Result 379 states and 483 transitions. [2021-11-22 15:02:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:02:50,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 69 [2021-11-22 15:02:50,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:50,884 INFO L225 Difference]: With dead ends: 379 [2021-11-22 15:02:50,885 INFO L226 Difference]: Without dead ends: 375 [2021-11-22 15:02:50,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:02:50,886 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 135 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:02:50,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 564 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:02:50,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-22 15:02:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 293. [2021-11-22 15:02:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 291 states have (on average 1.2646048109965635) internal successors, (368), 292 states have internal predecessors, (368), 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) [2021-11-22 15:02:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2021-11-22 15:02:50,904 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 69 [2021-11-22 15:02:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:50,905 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2021-11-22 15:02:50,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-22 15:02:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2021-11-22 15:02:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:02:50,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:50,908 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] [2021-11-22 15:02:50,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:51,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 15:02:51,128 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:51,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:51,129 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-22 15:02:51,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:51,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781705166] [2021-11-22 15:02:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:51,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:51,154 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:51,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920163918] [2021-11-22 15:02:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:51,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:51,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:51,156 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:51,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 15:02:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:51,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:02:51,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:02:51,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:51,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:51,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781705166] [2021-11-22 15:02:51,601 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:51,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920163918] [2021-11-22 15:02:51,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920163918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:51,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:51,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:02:51,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25414707] [2021-11-22 15:02:51,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:51,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:02:51,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:51,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:02:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:02:51,615 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-11-22 15:02:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:51,707 INFO L93 Difference]: Finished difference Result 483 states and 627 transitions. [2021-11-22 15:02:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:02:51,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 [2021-11-22 15:02:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:51,711 INFO L225 Difference]: With dead ends: 483 [2021-11-22 15:02:51,712 INFO L226 Difference]: Without dead ends: 335 [2021-11-22 15:02:51,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:02:51,714 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 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 [2021-11-22 15:02:51,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:02:51,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-11-22 15:02:51,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 333. [2021-11-22 15:02:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 331 states have (on average 1.2326283987915407) internal successors, (408), 332 states have internal predecessors, (408), 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) [2021-11-22 15:02:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 408 transitions. [2021-11-22 15:02:51,733 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 408 transitions. Word has length 103 [2021-11-22 15:02:51,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:51,733 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 408 transitions. [2021-11-22 15:02:51,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-11-22 15:02:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 408 transitions. [2021-11-22 15:02:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:02:51,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:51,743 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] [2021-11-22 15:02:51,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:51,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:51,956 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:51,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-22 15:02:51,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:51,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177962458] [2021-11-22 15:02:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:51,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:51,987 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:51,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306647105] [2021-11-22 15:02:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:51,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:51,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:51,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:52,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 15:02:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:52,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:02:52,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:02:52,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:52,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:52,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177962458] [2021-11-22 15:02:52,431 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:52,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306647105] [2021-11-22 15:02:52,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306647105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:52,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:52,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:02:52,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500491851] [2021-11-22 15:02:52,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:52,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:02:52,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:52,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:02:52,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:02:52,435 INFO L87 Difference]: Start difference. First operand 333 states and 408 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-22 15:02:52,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:52,543 INFO L93 Difference]: Finished difference Result 498 states and 622 transitions. [2021-11-22 15:02:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:02:52,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 [2021-11-22 15:02:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:52,547 INFO L225 Difference]: With dead ends: 498 [2021-11-22 15:02:52,547 INFO L226 Difference]: Without dead ends: 310 [2021-11-22 15:02:52,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:02:52,549 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 103 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 510 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 [2021-11-22 15:02:52,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 510 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:02:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-11-22 15:02:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 305. [2021-11-22 15:02:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 303 states have (on average 1.2079207920792079) internal successors, (366), 304 states have internal predecessors, (366), 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) [2021-11-22 15:02:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 366 transitions. [2021-11-22 15:02:52,564 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 366 transitions. Word has length 103 [2021-11-22 15:02:52,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:52,565 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 366 transitions. [2021-11-22 15:02:52,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-22 15:02:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 366 transitions. [2021-11-22 15:02:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:02:52,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:52,567 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] [2021-11-22 15:02:52,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:52,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-22 15:02:52,788 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:52,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:52,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-22 15:02:52,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:52,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170811063] [2021-11-22 15:02:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:52,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:52,806 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:52,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618969791] [2021-11-22 15:02:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:52,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:52,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:52,808 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:52,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 15:02:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:53,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:02:53,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:02:53,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:02:53,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:02:53,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170811063] [2021-11-22 15:02:53,298 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:02:53,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618969791] [2021-11-22 15:02:53,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618969791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:02:53,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:02:53,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:02:53,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486387015] [2021-11-22 15:02:53,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:02:53,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:02:53,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:02:53,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:02:53,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:02:53,301 INFO L87 Difference]: Start difference. First operand 305 states and 366 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) [2021-11-22 15:02:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:02:53,755 INFO L93 Difference]: Finished difference Result 653 states and 790 transitions. [2021-11-22 15:02:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:02:53,756 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 [2021-11-22 15:02:53,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:02:53,759 INFO L225 Difference]: With dead ends: 653 [2021-11-22 15:02:53,760 INFO L226 Difference]: Without dead ends: 396 [2021-11-22 15:02:53,761 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 [2021-11-22 15:02:53,762 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 416 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:02:53,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 365 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:02:53,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-22 15:02:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 389. [2021-11-22 15:02:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 387 states have (on average 1.2144702842377262) internal successors, (470), 388 states have internal predecessors, (470), 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) [2021-11-22 15:02:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 470 transitions. [2021-11-22 15:02:53,784 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 470 transitions. Word has length 103 [2021-11-22 15:02:53,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:02:53,784 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 470 transitions. [2021-11-22 15:02:53,785 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) [2021-11-22 15:02:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 470 transitions. [2021-11-22 15:02:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 15:02:53,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:02:53,787 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] [2021-11-22 15:02:53,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:02:54,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-22 15:02:54,000 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:02:54,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:02:54,001 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-22 15:02:54,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:02:54,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833682067] [2021-11-22 15:02:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:54,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:02:54,020 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:02:54,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873644449] [2021-11-22 15:02:54,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:02:54,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:02:54,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:02:54,022 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:02:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9e516e-2cbb-4e37-9d25-8d3eeb7b321c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 15:02:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:02:54,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 15:02:54,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:02:54,289 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 [2021-11-22 15:02:54,295 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 [2021-11-22 15:02:54,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:54,339 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 [2021-11-22 15:02:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:54,441 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 [2021-11-22 15:02:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,710 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 [2021-11-22 15:02:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,723 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 37 treesize of output 42 [2021-11-22 15:02:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-22 15:02:55,958 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 [2021-11-22 15:02:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:55,982 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-22 15:02:55,983 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 [2021-11-22 15:02:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:02:56,017 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 52 treesize of output 45 [2021-11-22 15:02:56,041 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 [2021-11-22 15:02:57,791 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-22 15:02:57,791 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 2831 treesize of output 2280 [2021-11-22 15:02:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,427 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-22 15:03:00,428 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 3246 treesize of output 2904 [2021-11-22 15:03:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:10,748 WARN L227 SmtUtils]: Spent 10.19s 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) [2021-11-22 15:03:10,762 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-22 15:03:10,763 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 4244 treesize of output 2275 [2021-11-22 15:03:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,194 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 [2021-11-22 15:03:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,421 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 [2021-11-22 15:03:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:12,975 INFO L244 Elim1Store]: Index analysis took 375 ms [2021-11-22 15:03:12,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 17 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 902 treesize of output 408 [2021-11-22 15:03:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:14,281 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:03:14,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 354 treesize of output 231 [2021-11-22 15:03:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:33,790 WARN L227 SmtUtils]: Spent 17.20s on a formula simplification. DAG size of input: 520 DAG size of output: 146 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:03:33,792 INFO L354 Elim1Store]: treesize reduction 19124, result has 2.6 percent of original size [2021-11-22 15:03:33,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 63388 treesize of output 35862 [2021-11-22 15:03:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:34,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:34,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:35,486 INFO L244 Elim1Store]: Index analysis took 686 ms [2021-11-22 15:03:36,324 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:03:36,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 1864 treesize of output 1172 [2021-11-22 15:03:38,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:38,677 INFO L244 Elim1Store]: Index analysis took 261 ms [2021-11-22 15:03:38,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1665 treesize of output 929 [2021-11-22 15:03:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,854 INFO L244 Elim1Store]: Index analysis took 439 ms [2021-11-22 15:03:39,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1570 treesize of output 718 [2021-11-22 15:03:39,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:39,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:40,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:40,391 INFO L244 Elim1Store]: Index analysis took 433 ms [2021-11-22 15:03:41,106 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:03:41,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 2019 treesize of output 1291 [2021-11-22 15:03:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:03:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:03:45,712 INFO L244 Elim1Store]: Index analysis took 523 ms [2021-11-22 15:03:45,735 INFO L354 Elim1Store]: treesize reduction 254, result has 0.4 percent of original size [2021-11-22 15:03:45,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 1883 treesize of output 929 [2021-11-22 15:04:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:03,863 INFO L354 Elim1Store]: treesize reduction 254, result has 11.5 percent of original size [2021-11-22 15:04:03,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 7140 treesize of output 5581 [2021-11-22 15:04:06,941 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-22 15:04:06,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 147 [2021-11-22 15:04:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,094 INFO L354 Elim1Store]: treesize reduction 1611, result has 0.4 percent of original size [2021-11-22 15:04:07,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 25 case distinctions, treesize of input 5259 treesize of output 4516 [2021-11-22 15:04:07,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,515 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-22 15:04:07,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2730 treesize of output 1512 [2021-11-22 15:04:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:07,972 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:04:07,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 223 treesize of output 113 [2021-11-22 15:04:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:08,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,020 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:08,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2712 treesize of output 1300 [2021-11-22 15:04:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,078 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:08,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2502 treesize of output 1174 [2021-11-22 15:04:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:08,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,123 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:08,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2304 treesize of output 1120 [2021-11-22 15:04:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:08,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,158 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:08,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 2082 treesize of output 1501 [2021-11-22 15:04:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,184 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:08,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1884 treesize of output 1774 [2021-11-22 15:04:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,217 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:08,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1674 treesize of output 1542 [2021-11-22 15:04:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 64 [2021-11-22 15:04:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:08,557 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:04:08,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 157 treesize of output 63 [2021-11-22 15:04:09,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,147 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-22 15:04:09,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-22 15:04:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:09,327 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-22 15:04:09,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-22 15:04:09,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:04:09,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:04:09,358 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-22 15:04:09,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-22 15:04:10,095 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-22 15:04:10,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-22 15:04:10,118 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-22 15:04:10,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 337 [2021-11-22 15:04:10,142 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-11-22 15:04:10,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 328 treesize of output 279 [2021-11-22 15:04:10,238 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-22 15:04:10,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-22 15:04:17,701 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-22 15:04:17,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-22 15:05:01,291 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-22 15:05:01,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 321 treesize of output 222 [2021-11-22 15:05:07,077 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-22 15:05:07,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 311 treesize of output 167 [2021-11-22 15:05:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:05:07,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:05:09,531 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse2 (select |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse3 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 999) (< (let ((.cse4 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4))) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))) is different from false [2021-11-22 15:05:11,793 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse4 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 999) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_10)))) (select .cse8 (select (select .cse8 |c_ULTIMATE.start_main_~users~0#1.base|) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~users~0#1.base|) .cse9)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))))) is different from false [2021-11-22 15:05:13,881 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse4 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 999) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_10)))) (select .cse8 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))))) is different from false