./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/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_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/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_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- 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 14:07:23,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:07:23,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:07:24,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:07:24,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:07:24,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:07:24,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:07:24,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:07:24,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:07:24,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:07:24,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:07:24,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:07:24,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:07:24,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:07:24,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:07:24,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:07:24,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:07:24,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:07:24,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:07:24,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:07:24,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:07:24,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:07:24,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:07:24,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:07:24,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:07:24,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:07:24,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:07:24,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:07:24,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:07:24,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:07:24,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:07:24,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:07:24,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:07:24,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:07:24,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:07:24,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:07:24,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:07:24,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:07:24,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:07:24,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:07:24,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:07:24,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:07:24,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:07:24,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:07:24,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:07:24,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:07:24,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:07:24,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:07:24,128 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:07:24,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:07:24,129 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:07:24,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:07:24,130 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:07:24,130 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:07:24,131 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:07:24,131 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:07:24,131 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:07:24,132 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:07:24,132 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:07:24,132 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:07:24,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:07:24,133 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:07:24,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:07:24,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:07:24,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:07:24,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:07:24,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:07:24,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:07:24,135 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:07:24,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:07:24,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:07:24,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:07:24,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:07:24,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:07:24,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:07:24,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:07:24,138 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:07:24,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:07:24,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:07:24,139 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:07:24,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:07:24,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:07:24,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:07:24,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2022-11-23 14:07:24,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:07:24,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:07:24,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:07:24,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:07:24,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:07:24,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2022-11-23 14:07:27,811 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:07:28,158 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:07:28,159 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2022-11-23 14:07:28,190 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/data/7534d2e22/d3434a248d5543ff80e3e2cfbeb38631/FLAG8c809ebfb [2022-11-23 14:07:28,213 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/data/7534d2e22/d3434a248d5543ff80e3e2cfbeb38631 [2022-11-23 14:07:28,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:07:28,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:07:28,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:07:28,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:07:28,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:07:28,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:28" (1/1) ... [2022-11-23 14:07:28,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6801d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:28, skipping insertion in model container [2022-11-23 14:07:28,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:28" (1/1) ... [2022-11-23 14:07:28,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:07:28,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:07:28,910 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_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2022-11-23 14:07:29,105 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_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2022-11-23 14:07:29,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:07:29,133 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:07:29,186 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_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2022-11-23 14:07:29,260 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_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2022-11-23 14:07:29,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:07:29,308 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:07:29,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29 WrapperNode [2022-11-23 14:07:29,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:07:29,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:07:29,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:07:29,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:07:29,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,424 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-23 14:07:29,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:07:29,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:07:29,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:07:29,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:07:29,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,583 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:07:29,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:07:29,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:07:29,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:07:29,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (1/1) ... [2022-11-23 14:07:29,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:07:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:29,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:07:29,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:07:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:07:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:07:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:07:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 14:07:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:07:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:07:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:07:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:07:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:07:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:07:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:07:29,985 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:07:29,987 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:07:31,618 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:07:32,038 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:07:32,038 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-23 14:07:32,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:32 BoogieIcfgContainer [2022-11-23 14:07:32,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:07:32,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:07:32,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:07:32,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:07:32,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:07:28" (1/3) ... [2022-11-23 14:07:32,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d22838c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:32, skipping insertion in model container [2022-11-23 14:07:32,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:29" (2/3) ... [2022-11-23 14:07:32,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d22838c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:32, skipping insertion in model container [2022-11-23 14:07:32,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:32" (3/3) ... [2022-11-23 14:07:32,057 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2022-11-23 14:07:32,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:07:32,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:07:32,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:07:32,149 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;@3ba49af7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:07:32,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:07:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 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 14:07:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:07:32,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:32,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:32,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:32,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:32,175 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-23 14:07:32,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:32,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888435348] [2022-11-23 14:07:32,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:32,445 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 14:07:32,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:32,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888435348] [2022-11-23 14:07:32,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888435348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:32,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:32,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:07:32,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82442220] [2022-11-23 14:07:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:32,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:07:32,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:32,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:07:32,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:07:32,512 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 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 14:07:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:32,989 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-23 14:07:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:07:32,995 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 14:07:32,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:33,006 INFO L225 Difference]: With dead ends: 217 [2022-11-23 14:07:33,006 INFO L226 Difference]: Without dead ends: 107 [2022-11-23 14:07:33,010 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 14:07:33,014 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:33,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:07:33,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-23 14:07:33,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-23 14:07:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 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 14:07:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-23 14:07:33,066 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-23 14:07:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:33,067 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-23 14:07:33,067 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 14:07:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-23 14:07:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 14:07:33,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:33,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:33,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:07:33,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:33,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:33,071 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-23 14:07:33,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:33,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003772651] [2022-11-23 14:07:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:33,545 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 14:07:33,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:33,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003772651] [2022-11-23 14:07:33,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003772651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:33,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:33,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:07:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192936832] [2022-11-23 14:07:33,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:33,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:07:33,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:33,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:07:33,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:07:33,556 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 14:07:36,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:36,262 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-23 14:07:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:07:36,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-23 14:07:36,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:36,271 INFO L225 Difference]: With dead ends: 222 [2022-11-23 14:07:36,271 INFO L226 Difference]: Without dead ends: 168 [2022-11-23 14:07:36,272 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 14:07:36,274 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:36,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 14:07:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-23 14:07:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-23 14:07:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 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 14:07:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-23 14:07:36,294 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-23 14:07:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:36,295 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-23 14:07:36,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 14:07:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-23 14:07:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 14:07:36,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:36,298 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:36,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:07:36,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:36,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:36,299 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-23 14:07:36,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:36,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463214087] [2022-11-23 14:07:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:36,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:36,478 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:07:36,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655415017] [2022-11-23 14:07:36,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:36,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:36,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:07:36,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:07:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:37,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:07:37,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:07:37,639 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 14:07:37,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:07:37,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:37,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463214087] [2022-11-23 14:07:37,646 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:07:37,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655415017] [2022-11-23 14:07:37,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655415017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:37,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:37,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:07:37,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812646503] [2022-11-23 14:07:37,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:37,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:07:37,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:37,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:07:37,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:07:37,649 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:07:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:38,445 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-23 14:07:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:38,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-23 14:07:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:38,453 INFO L225 Difference]: With dead ends: 260 [2022-11-23 14:07:38,453 INFO L226 Difference]: Without dead ends: 154 [2022-11-23 14:07:38,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 14:07:38,456 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:38,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 14:07:38,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-23 14:07:38,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-23 14:07:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:07:38,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-23 14:07:38,478 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-23 14:07:38,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:38,479 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-23 14:07:38,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:07:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-23 14:07:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 14:07:38,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:38,482 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 14:07:38,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:07:38,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:38,694 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:38,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:38,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-23 14:07:38,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:38,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495928263] [2022-11-23 14:07:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:38,831 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:07:38,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355944410] [2022-11-23 14:07:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:38,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:38,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:38,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:07:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:07:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:39,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:07:39,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:07:39,677 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 14:07:39,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:07:39,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:39,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495928263] [2022-11-23 14:07:39,681 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:07:39,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355944410] [2022-11-23 14:07:39,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355944410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:39,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:39,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:07:39,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868203654] [2022-11-23 14:07:39,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:39,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:07:39,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:39,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:07:39,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:07:39,687 INFO L87 Difference]: Start difference. First operand 152 states and 190 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 14:07:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:40,309 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-23 14:07:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:07:40,310 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 14:07:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:40,311 INFO L225 Difference]: With dead ends: 258 [2022-11-23 14:07:40,311 INFO L226 Difference]: Without dead ends: 122 [2022-11-23 14:07:40,312 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 14:07:40,313 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:40,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 14:07:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-23 14:07:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-23 14:07:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 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 14:07:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-23 14:07:40,327 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-23 14:07:40,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:40,328 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-23 14:07:40,328 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 14:07:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-23 14:07:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 14:07:40,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:40,330 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 14:07:40,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:07:40,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:40,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:40,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:40,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-23 14:07:40,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:40,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094553585] [2022-11-23 14:07:40,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:40,649 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:07:40,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541226287] [2022-11-23 14:07:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:40,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:40,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:40,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:07:40,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:08:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:10,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:08:10,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:08:10,693 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 14:08:10,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:08:10,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:08:10,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094553585] [2022-11-23 14:08:10,694 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:08:10,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541226287] [2022-11-23 14:08:10,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541226287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:08:10,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:08:10,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:08:10,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683294209] [2022-11-23 14:08:10,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:08:10,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:08:10,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:08:10,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:08:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:08:10,698 INFO L87 Difference]: Start difference. First operand 122 states and 146 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 14:08:14,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:08:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:08:14,526 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-23 14:08:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:08:14,536 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 14:08:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:08:14,537 INFO L225 Difference]: With dead ends: 227 [2022-11-23 14:08:14,538 INFO L226 Difference]: Without dead ends: 124 [2022-11-23 14:08:14,539 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 14:08:14,542 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:08:14,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 14:08:14,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-23 14:08:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-23 14:08:14,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 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 14:08:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-23 14:08:14,561 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-23 14:08:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:08:14,562 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-23 14:08:14,562 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 14:08:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-23 14:08:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:08:14,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:08:14,565 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 14:08:14,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:08:14,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:08:14,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:08:14,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:08:14,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-23 14:08:14,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:08:14,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242826778] [2022-11-23 14:08:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:08:14,882 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:08:14,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1721028864] [2022-11-23 14:08:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:14,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:08:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:08:14,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:08:14,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2adb3d5-7b7a-4feb-88d3-ccc7c253e9dd/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:08:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:49,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:08:49,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:08:49,448 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 14:08:49,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:08:49,608 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 14:08:49,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:08:49,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242826778] [2022-11-23 14:08:49,609 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:08:49,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721028864] [2022-11-23 14:08:49,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721028864] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:08:49,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1124164243] [2022-11-23 14:08:49,644 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-23 14:08:49,644 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:08:49,651 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:08:49,659 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:08:49,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:08:49,839 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 14:08:49,847 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 14:08:49,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:49,883 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:08:49,884 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 14:08:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:49,899 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 14:08:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:49,941 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 14:08:49,941 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 14:08:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:49,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,034 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:08:50,034 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 14:08:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,065 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 14:08:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,088 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 14:08:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,110 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 52 treesize of output 49 [2022-11-23 14:08:50,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 14:08:50,664 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 14:08:50,690 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 14:08:50,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,771 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 14:08:50,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,862 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 14:08:50,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,032 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 9897022 treesize of output 5376303 [2022-11-23 14:08:51,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,113 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 14:08:51,157 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 14:08:51,178 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 14:08:51,242 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 14:08:51,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,308 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 14:08:51,364 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 14:08:51,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,488 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:08:51,488 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 14:08:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:51,608 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:08:51,609 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 14:08:51,868 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 14:08:51,874 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 14:08:51,881 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 14:08:51,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 14:08:51,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-23 14:08:51,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 14:08:51,963 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 14:08:51,970 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 14:08:51,978 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 14:08:52,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 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 14:08:52,127 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 14:08:52,151 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 14:08:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:52,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 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 14:08:52,503 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 14:08:52,526 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 14:08:54,268 INFO L217 Elim1Store]: Index analysis took 1220 ms [2022-11-23 14:08:59,069 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-23 14:08:59,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-23 14:09:00,685 INFO L217 Elim1Store]: Index analysis took 1357 ms [2022-11-23 14:09:09,177 WARN L233 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 109 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:09:09,178 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-23 14:09:09,179 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 9519780 [2022-11-23 14:09:22,163 WARN L233 SmtUtils]: Spent 12.92s 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 14:09:22,164 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:09:22,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-23 14:09:22,423 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-11-23 14:09:44,569 WARN L233 SmtUtils]: Spent 22.14s 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 14:09:44,570 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:09:44,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-23 14:09:45,791 INFO L217 Elim1Store]: Index analysis took 940 ms [2022-11-23 14:10:04,979 WARN L233 SmtUtils]: Spent 18.59s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:10:04,980 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 14:10:04,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-23 14:10:06,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:06,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:06,626 INFO L217 Elim1Store]: Index analysis took 366 ms [2022-11-23 14:10:06,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-11-23 14:10:06,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:06,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:06,854 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 38 treesize of output 28 [2022-11-23 14:10:06,914 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:10:08,854 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 14:10:08,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 14:10:08,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2022-11-23 14:10:09,621 INFO L217 Elim1Store]: Index analysis took 317 ms [2022-11-23 14:10:11,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:10:11,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-23 14:10:11,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:11,419 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 28 treesize of output 13 [2022-11-23 14:10:11,647 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:10:13,469 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:10:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:18,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:18,790 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 32 treesize of output 20 [2022-11-23 14:10:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:18,876 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 14:10:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:18,943 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 19 treesize of output 13 [2022-11-23 14:10:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:20,014 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 28 treesize of output 18 [2022-11-23 14:10:20,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:20,104 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 32 treesize of output 20 [2022-11-23 14:10:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:23,807 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 32 treesize of output 20 [2022-11-23 14:10:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:23,918 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 28 treesize of output 18 [2022-11-23 14:10:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:26,308 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 19 treesize of output 13 [2022-11-23 14:10:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:26,584 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-23 14:10:26,585 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 32 treesize of output 20 [2022-11-23 14:11:52,315 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 12814 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)