./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:41:43,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:41:43,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:41:43,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:41:43,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:41:43,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:41:43,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:41:43,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:41:43,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:41:43,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:41:43,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:41:43,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:41:43,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:41:43,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:41:43,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:41:43,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:41:43,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:41:43,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:41:43,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:41:43,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:41:43,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:41:43,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:41:43,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:41:43,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:41:43,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:41:43,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:41:43,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:41:43,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:41:43,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:41:43,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:41:43,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:41:43,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:41:43,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:41:43,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:41:43,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:41:43,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:41:43,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:41:43,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:41:43,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:41:43,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:41:43,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:41:43,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:41:43,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:41:43,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:41:43,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:41:43,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:41:43,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:41:43,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:41:43,167 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:41:43,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:41:43,168 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:41:43,168 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:41:43,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:41:43,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:41:43,169 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:41:43,169 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:41:43,170 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:41:43,170 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:41:43,170 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:41:43,170 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:41:43,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:41:43,171 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:41:43,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:41:43,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:41:43,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:41:43,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:41:43,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:41:43,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:41:43,173 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:41:43,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:41:43,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:41:43,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:41:43,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:41:43,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:41:43,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:41:43,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:41:43,175 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:41:43,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:41:43,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:41:43,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:41:43,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:41:43,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:41:43,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:41:43,177 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_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2022-11-23 14:41:43,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:41:43,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:41:43,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:41:43,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:41:43,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:41:43,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2022-11-23 14:41:46,600 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:41:46,933 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:41:46,934 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2022-11-23 14:41:46,960 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/data/b50e1cefa/71cf730f6eea4f23adc4ad38188f904b/FLAG1ab60e25c [2022-11-23 14:41:46,980 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/data/b50e1cefa/71cf730f6eea4f23adc4ad38188f904b [2022-11-23 14:41:46,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:41:46,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:41:46,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:41:46,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:41:46,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:41:46,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:46" (1/1) ... [2022-11-23 14:41:46,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6554d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:46, skipping insertion in model container [2022-11-23 14:41:46,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:46" (1/1) ... [2022-11-23 14:41:47,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:41:47,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:41:47,531 WARN L237 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_ac286674-d22c-474d-9031-b591e599f948/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2022-11-23 14:41:47,675 WARN L237 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_ac286674-d22c-474d-9031-b591e599f948/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2022-11-23 14:41:47,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:41:47,693 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:41:47,722 WARN L237 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_ac286674-d22c-474d-9031-b591e599f948/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2022-11-23 14:41:47,826 WARN L237 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_ac286674-d22c-474d-9031-b591e599f948/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2022-11-23 14:41:47,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:41:47,892 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:41:47,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47 WrapperNode [2022-11-23 14:41:47,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:41:47,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:41:47,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:41:47,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:41:47,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:47,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:47,996 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1022 [2022-11-23 14:41:47,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:41:47,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:41:47,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:41:47,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:41:48,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,080 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:41:48,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:41:48,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:41:48,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:41:48,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (1/1) ... [2022-11-23 14:41:48,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:41:48,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:41:48,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:41:48,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:41:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:41:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:41:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:41:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:41:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:41:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:41:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:41:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:41:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:41:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:41:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 14:41:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:41:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:41:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:41:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:41:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:41:48,492 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:41:48,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:41:50,037 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:41:50,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:41:50,456 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-23 14:41:50,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:50 BoogieIcfgContainer [2022-11-23 14:41:50,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:41:50,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:41:50,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:41:50,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:41:50,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:41:46" (1/3) ... [2022-11-23 14:41:50,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16401eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:50, skipping insertion in model container [2022-11-23 14:41:50,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:47" (2/3) ... [2022-11-23 14:41:50,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16401eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:50, skipping insertion in model container [2022-11-23 14:41:50,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:50" (3/3) ... [2022-11-23 14:41:50,469 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2022-11-23 14:41:50,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:41:50,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:41:50,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:41:50,541 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c37b331, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:41:50,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:41:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:41:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:41:50,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:41:50,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:41:50,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:41:50,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:41:50,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1898435451, now seen corresponding path program 1 times [2022-11-23 14:41:50,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:41:50,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293680922] [2022-11-23 14:41:50,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:50,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:41:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:41:50,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:41:50,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293680922] [2022-11-23 14:41:50,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293680922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:41:50,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:41:50,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:41:50,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144623805] [2022-11-23 14:41:50,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:41:50,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:41:50,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:41:50,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:41:50,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:41:50,830 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 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) [2022-11-23 14:41:51,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:41:51,270 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2022-11-23 14:41:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:41:51,276 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 [2022-11-23 14:41:51,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:41:51,286 INFO L225 Difference]: With dead ends: 245 [2022-11-23 14:41:51,286 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 14:41:51,290 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:41:51,294 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:41:51,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:41:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 14:41:51,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-23 14:41:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:41:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2022-11-23 14:41:51,340 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2022-11-23 14:41:51,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:41:51,341 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2022-11-23 14:41:51,341 INFO L496 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) [2022-11-23 14:41:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2022-11-23 14:41:51,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:41:51,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:41:51,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:41:51,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:41:51,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:41:51,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:41:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash -94655351, now seen corresponding path program 1 times [2022-11-23 14:41:51,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:41:51,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975656939] [2022-11-23 14:41:51,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:51,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:41:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:41:51,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:41:51,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975656939] [2022-11-23 14:41:51,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975656939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:41:51,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:41:51,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:41:51,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834767525] [2022-11-23 14:41:51,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:41:51,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:41:51,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:41:51,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:41:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:41:51,568 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:41:53,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:41:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:41:54,126 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2022-11-23 14:41:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:41:54,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 14:41:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:41:54,133 INFO L225 Difference]: With dead ends: 258 [2022-11-23 14:41:54,133 INFO L226 Difference]: Without dead ends: 189 [2022-11-23 14:41:54,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:41:54,135 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:41:54,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 355 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 14:41:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-23 14:41:54,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2022-11-23 14:41:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:41:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-23 14:41:54,159 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2022-11-23 14:41:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:41:54,159 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-23 14:41:54,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:41:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-11-23 14:41:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 14:41:54,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:41:54,161 INFO L195 NwaCegarLoop]: 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] [2022-11-23 14:41:54,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:41:54,162 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:41:54,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:41:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash 339208180, now seen corresponding path program 1 times [2022-11-23 14:41:54,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:41:54,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739203556] [2022-11-23 14:41:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:41:54,330 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:41:54,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895200448] [2022-11-23 14:41:54,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:54,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:41:54,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:41:54,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:41:54,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:41:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:55,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:41:55,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:41:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:41:55,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:41:55,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:41:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739203556] [2022-11-23 14:41:55,304 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:41:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895200448] [2022-11-23 14:41:55,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895200448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:41:55,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:41:55,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:41:55,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534670866] [2022-11-23 14:41:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:41:55,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:41:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:41:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:41:55,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:41:55,307 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:41:56,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:41:56,585 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2022-11-23 14:41:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:41:56,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-23 14:41:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:41:56,591 INFO L225 Difference]: With dead ends: 304 [2022-11-23 14:41:56,592 INFO L226 Difference]: Without dead ends: 183 [2022-11-23 14:41:56,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:41:56,594 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:41:56,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 278 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 14:41:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-23 14:41:56,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2022-11-23 14:41:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:41:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2022-11-23 14:41:56,616 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2022-11-23 14:41:56,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:41:56,617 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2022-11-23 14:41:56,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:41:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-23 14:41:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 14:41:56,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:41:56,619 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:41:56,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:41:56,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:41:56,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:41:56,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:41:56,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1571641394, now seen corresponding path program 1 times [2022-11-23 14:41:56,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:41:56,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842832752] [2022-11-23 14:41:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:56,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:41:56,893 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:41:56,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386206934] [2022-11-23 14:41:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:56,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:41:56,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:41:56,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:41:56,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:41:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:57,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:41:57,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:41:57,573 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:41:57,585 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:41:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:41:57,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:41:57,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:41:57,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842832752] [2022-11-23 14:41:57,594 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:41:57,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386206934] [2022-11-23 14:41:57,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386206934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:41:57,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:41:57,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:41:57,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548176592] [2022-11-23 14:41:57,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:41:57,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:41:57,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:41:57,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:41:57,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:41:57,597 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:41:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:41:59,261 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2022-11-23 14:41:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:41:59,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2022-11-23 14:41:59,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:41:59,266 INFO L225 Difference]: With dead ends: 231 [2022-11-23 14:41:59,266 INFO L226 Difference]: Without dead ends: 212 [2022-11-23 14:41:59,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:41:59,267 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:41:59,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 354 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 14:41:59,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-23 14:41:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2022-11-23 14:41:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:41:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-11-23 14:41:59,283 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2022-11-23 14:41:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:41:59,284 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-11-23 14:41:59,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:41:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-11-23 14:41:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 14:41:59,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:41:59,286 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:41:59,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:41:59,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:41:59,503 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:41:59,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:41:59,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2144578966, now seen corresponding path program 1 times [2022-11-23 14:41:59,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:41:59,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694794341] [2022-11-23 14:41:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:59,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:41:59,569 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:41:59,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082789997] [2022-11-23 14:41:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:59,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:41:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:41:59,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:41:59,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:42:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:00,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:42:00,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:42:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:42:00,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:42:00,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:00,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694794341] [2022-11-23 14:42:00,273 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:42:00,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082789997] [2022-11-23 14:42:00,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082789997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:42:00,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:42:00,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:42:00,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043130204] [2022-11-23 14:42:00,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:42:00,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:42:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:42:00,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:42:00,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:42:00,276 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:42:01,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:42:01,179 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2022-11-23 14:42:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:42:01,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-23 14:42:01,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:42:01,182 INFO L225 Difference]: With dead ends: 395 [2022-11-23 14:42:01,182 INFO L226 Difference]: Without dead ends: 242 [2022-11-23 14:42:01,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:42:01,184 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 260 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:42:01,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 290 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:42:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-23 14:42:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2022-11-23 14:42:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:42:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2022-11-23 14:42:01,207 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2022-11-23 14:42:01,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:42:01,207 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2022-11-23 14:42:01,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:42:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2022-11-23 14:42:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 14:42:01,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:01,210 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:42:01,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:42:01,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:01,418 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:42:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:01,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2121750984, now seen corresponding path program 1 times [2022-11-23 14:42:01,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:01,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144783552] [2022-11-23 14:42:01,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:01,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:01,487 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:42:01,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135857378] [2022-11-23 14:42:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:42:01,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:42:01,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:42:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:13,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:42:13,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:42:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:42:13,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:42:13,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:13,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144783552] [2022-11-23 14:42:13,748 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:42:13,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135857378] [2022-11-23 14:42:13,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135857378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:42:13,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:42:13,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:42:13,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849803956] [2022-11-23 14:42:13,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:42:13,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:42:13,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:42:13,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:42:13,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:42:13,752 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:42:14,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:42:14,796 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2022-11-23 14:42:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:42:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-23 14:42:14,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:42:14,802 INFO L225 Difference]: With dead ends: 411 [2022-11-23 14:42:14,802 INFO L226 Difference]: Without dead ends: 216 [2022-11-23 14:42:14,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:42:14,804 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:42:14,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 14:42:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-23 14:42:14,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-23 14:42:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-23 14:42:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2022-11-23 14:42:14,822 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2022-11-23 14:42:14,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:42:14,823 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2022-11-23 14:42:14,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:42:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2022-11-23 14:42:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:42:14,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:14,826 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:42:14,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:42:15,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 14:42:15,039 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:42:15,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:15,039 INFO L85 PathProgramCache]: Analyzing trace with hash -869473738, now seen corresponding path program 1 times [2022-11-23 14:42:15,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:15,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653908088] [2022-11-23 14:42:15,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:15,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:15,121 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:42:15,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869468367] [2022-11-23 14:42:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:15,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:15,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:42:15,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:42:15,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac286674-d22c-474d-9031-b591e599f948/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:42:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:53,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:42:53,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:42:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:42:53,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:42:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:42:54,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:54,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653908088] [2022-11-23 14:42:54,038 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:42:54,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869468367] [2022-11-23 14:42:54,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869468367] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:42:54,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [428280285] [2022-11-23 14:42:54,076 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 14:42:54,076 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:42:54,080 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:42:54,085 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:42:54,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:42:54,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 14:42:54,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 14:42:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,216 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:42:54,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-23 14:42:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:42:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,252 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 14:42:54,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-23 14:42:54,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,307 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:42:54,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-23 14:42:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,356 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:42:54,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-23 14:42:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:42:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,435 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:42:54,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-23 14:42:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:42:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-23 14:42:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-23 14:42:55,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:42:55,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:42:55,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:42:55,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:42:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 14:42:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 14:42:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 14:42:55,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:42:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,457 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:42:55,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 14:42:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,541 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:42:55,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-23 14:42:55,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:42:55,775 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:42:55,780 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:42:55,785 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:42:55,835 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:42:55,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-23 14:42:55,867 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 14:42:55,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-23 14:42:55,896 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:42:55,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-23 14:42:55,935 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 14:42:55,940 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-11-23 14:42:55,946 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 14:42:56,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:42:56,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:42:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 14:42:56,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:42:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 14:42:56,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:42:57,365 INFO L217 Elim1Store]: Index analysis took 653 ms [2022-11-23 14:43:02,167 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-23 14:43:02,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-23 14:43:03,394 INFO L217 Elim1Store]: Index analysis took 1024 ms [2022-11-23 14:43:04,031 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-23 14:43:04,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-23 14:43:13,849 WARN L233 SmtUtils]: Spent 9.69s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:43:13,849 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:43:13,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-23 14:43:14,250 INFO L217 Elim1Store]: Index analysis took 146 ms [2022-11-23 14:43:38,715 WARN L233 SmtUtils]: Spent 24.45s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:43:38,716 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:43:38,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-23 14:43:40,586 INFO L217 Elim1Store]: Index analysis took 1262 ms [2022-11-23 14:44:07,931 WARN L233 SmtUtils]: Spent 26.36s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:44:07,932 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-23 14:44:07,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 3622 treesize of output 7921 [2022-11-23 14:44:09,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:44:09,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-23 14:44:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:09,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:44:09,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 14:44:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:11,096 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 14:44:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:11,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:44:14,820 INFO L321 Elim1Store]: treesize reduction 550, result has 14.1 percent of original size [2022-11-23 14:44:14,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 18 case distinctions, treesize of input 51016 treesize of output 53256 [2022-11-23 14:44:23,256 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:44:23,954 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:44:23,955 INFO L350 Elim1Store]: Elim1 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 40846 treesize of output 40854 [2022-11-23 14:44:24,947 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:44:32,433 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 45 DAG size of output: 37 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:44:32,435 INFO L321 Elim1Store]: treesize reduction 185, result has 49.9 percent of original size [2022-11-23 14:44:32,436 INFO L350 Elim1Store]: Elim1 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 66514 treesize of output 65984 [2022-11-23 14:44:33,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43142 treesize of output 43102 [2022-11-23 14:44:35,649 INFO L321 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-11-23 14:44:35,650 INFO L350 Elim1Store]: Elim1 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 40846 treesize of output 40828 [2022-11-23 14:44:36,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 14:44:39,272 INFO L321 Elim1Store]: treesize reduction 45, result has 49.4 percent of original size [2022-11-23 14:44:39,274 INFO L350 Elim1Store]: Elim1 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 56608 treesize of output 56496 [2022-11-23 14:45:11,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:11,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:11,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:11,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:12,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,336 INFO L217 Elim1Store]: Index analysis took 6188 ms [2022-11-23 14:45:14,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:14,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 4453 [2022-11-23 14:45:14,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 14:45:16,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:19,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,467 INFO L217 Elim1Store]: Index analysis took 6266 ms [2022-11-23 14:45:21,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:21,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-23 14:45:22,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:22,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:25,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,311 INFO L217 Elim1Store]: Index analysis took 4539 ms [2022-11-23 14:45:26,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:26,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2257 [2022-11-23 14:45:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:26,749 INFO L217 Elim1Store]: Index analysis took 103 ms [2022-11-23 14:45:26,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 24 [2022-11-23 14:45:27,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:28,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:29,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:29,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:30,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,628 INFO L217 Elim1Store]: Index analysis took 3467 ms [2022-11-23 14:45:30,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:30,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2269 [2022-11-23 14:45:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:30,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 44 treesize of output 26 [2022-11-23 14:45:31,278 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:45:32,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:32,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,257 INFO L217 Elim1Store]: Index analysis took 1904 ms [2022-11-23 14:45:33,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:33,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 40009 treesize of output 43909 [2022-11-23 14:45:38,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:42,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,262 INFO L217 Elim1Store]: Index analysis took 6635 ms [2022-11-23 14:45:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:44,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2215 [2022-11-23 14:45:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:44,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 380 treesize of output 194 [2022-11-23 14:45:44,901 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:45:49,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:49,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:49,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:49,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:50,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,123 INFO L217 Elim1Store]: Index analysis took 6050 ms [2022-11-23 14:45:51,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:51,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 507 treesize of output 3942 [2022-11-23 14:45:51,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:45:52,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:56,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:56,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,517 INFO L217 Elim1Store]: Index analysis took 5803 ms [2022-11-23 14:45:57,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:57,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 2247 [2022-11-23 14:45:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:58,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 100 treesize of output 54 [2022-11-23 14:45:59,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,598 INFO L217 Elim1Store]: Index analysis took 1457 ms [2022-11-23 14:45:59,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:45:59,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 34295 treesize of output 38205 [2022-11-23 14:46:13,064 INFO L217 Elim1Store]: Index analysis took 8747 ms [2022-11-23 14:46:14,441 INFO L321 Elim1Store]: treesize reduction 538, result has 3.8 percent of original size [2022-11-23 14:46:14,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 403 treesize of output 2354 [2022-11-23 14:46:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:14,877 INFO L217 Elim1Store]: Index analysis took 257 ms [2022-11-23 14:46:15,314 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:46:15,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2022-11-23 14:46:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:15,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 24 [2022-11-23 14:46:20,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:22,855 INFO L217 Elim1Store]: Index analysis took 6990 ms [2022-11-23 14:46:23,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 2350 [2022-11-23 14:46:24,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:25,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:25,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:32,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,417 INFO L217 Elim1Store]: Index analysis took 9200 ms [2022-11-23 14:46:33,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:33,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1409 treesize of output 3388 [2022-11-23 14:46:33,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:33,904 INFO L217 Elim1Store]: Index analysis took 251 ms [2022-11-23 14:46:34,387 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:46:34,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1093 treesize of output 919 [2022-11-23 14:46:34,830 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:46:35,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:37,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:40,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:48,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,695 INFO L217 Elim1Store]: Index analysis took 15157 ms [2022-11-23 14:46:50,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:50,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 573 treesize of output 2471 [2022-11-23 14:46:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:51,626 INFO L217 Elim1Store]: Index analysis took 385 ms [2022-11-23 14:46:52,391 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:46:52,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 221 [2022-11-23 14:46:52,795 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:46:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:54,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:54,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:56,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:56,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,039 INFO L217 Elim1Store]: Index analysis took 4002 ms [2022-11-23 14:46:57,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:46:57,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 2287 [2022-11-23 14:46:57,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2022-11-23 14:46:57,646 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:48:16,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:48:18,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:48:19,353 INFO L217 Elim1Store]: Index analysis took 2537 ms [2022-11-23 14:48:19,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1905 treesize of output 16050 [2022-11-23 14:48:21,150 INFO L217 Elim1Store]: Index analysis took 556 ms [2022-11-23 14:50:17,879 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification. DAG size of input: 222 DAG size of output: 42 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:50:17,881 INFO L321 Elim1Store]: treesize reduction 1365, result has 5.7 percent of original size [2022-11-23 14:50:17,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 38 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 33 new quantified variables, introduced 68 case distinctions, treesize of input 5645 treesize of output 94048