./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/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_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- 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 15:47:57,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:47:57,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:47:58,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:47:58,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:47:58,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:47:58,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:47:58,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:47:58,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:47:58,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:47:58,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:47:58,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:47:58,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:47:58,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:47:58,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:47:58,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:47:58,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:47:58,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:47:58,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:47:58,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:47:58,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:47:58,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:47:58,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:47:58,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:47:58,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:47:58,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:47:58,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:47:58,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:47:58,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:47:58,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:47:58,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:47:58,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:47:58,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:47:58,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:47:58,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:47:58,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:47:58,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:47:58,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:47:58,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:47:58,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:47:58,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:47:58,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 15:47:58,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:47:58,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:47:58,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:47:58,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:47:58,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:47:58,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:47:58,135 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:47:58,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:47:58,136 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:47:58,136 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:47:58,137 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:47:58,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:47:58,137 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:47:58,138 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:47:58,138 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:47:58,138 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:47:58,138 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:47:58,138 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:47:58,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:47:58,139 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:47:58,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:47:58,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:47:58,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:47:58,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:47:58,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:47:58,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:47:58,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:47:58,141 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:47:58,141 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:47:58,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:47:58,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:47:58,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:47:58,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:47:58,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:47:58,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:47:58,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:47:58,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:47:58,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:47:58,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:47:58,145 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:47:58,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:47:58,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:47:58,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:47:58,146 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_af4aeecd-a47d-4d23-9289-557704d2be9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2022-11-23 15:47:58,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:47:58,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:47:58,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:47:58,455 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:47:58,455 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:47:58,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2022-11-23 15:48:01,607 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:48:01,946 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:48:01,947 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2022-11-23 15:48:01,976 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/data/f1621b4ef/2ee40a71d4544fb2963f14a28ed1615c/FLAG2b421c610 [2022-11-23 15:48:01,991 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/data/f1621b4ef/2ee40a71d4544fb2963f14a28ed1615c [2022-11-23 15:48:01,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:48:01,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:48:01,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:48:01,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:48:02,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:48:02,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:01" (1/1) ... [2022-11-23 15:48:02,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0db076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02, skipping insertion in model container [2022-11-23 15:48:02,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:01" (1/1) ... [2022-11-23 15:48:02,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:48:02,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:48:02,572 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_af4aeecd-a47d-4d23-9289-557704d2be9e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2022-11-23 15:48:02,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:48:02,776 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:48:02,805 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_af4aeecd-a47d-4d23-9289-557704d2be9e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2022-11-23 15:48:02,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:48:02,906 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:48:02,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02 WrapperNode [2022-11-23 15:48:02,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:48:02,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:48:02,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:48:02,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:48:02,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:02,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,000 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1151 [2022-11-23 15:48:03,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:48:03,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:48:03,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:48:03,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:48:03,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,123 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:48:03,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:48:03,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:48:03,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:48:03,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (1/1) ... [2022-11-23 15:48:03,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:48:03,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:03,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:48:03,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:48:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:48:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:48:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:48:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:48:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:48:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:48:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:48:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:48:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:48:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:48:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:48:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:48:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:48:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:48:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:48:03,489 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:48:03,491 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:48:05,292 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:48:05,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:48:05,783 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-23 15:48:05,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:05 BoogieIcfgContainer [2022-11-23 15:48:05,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:48:05,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:48:05,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:48:05,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:48:05,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:48:01" (1/3) ... [2022-11-23 15:48:05,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b49db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:05, skipping insertion in model container [2022-11-23 15:48:05,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:02" (2/3) ... [2022-11-23 15:48:05,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b49db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:05, skipping insertion in model container [2022-11-23 15:48:05,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:05" (3/3) ... [2022-11-23 15:48:05,799 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-1.i [2022-11-23 15:48:05,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:48:05,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 15:48:05,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:48:05,896 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;@3821be13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:48:05,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-23 15:48:05,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:48:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 15:48:05,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:05,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 15:48:05,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:05,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:05,924 INFO L85 PathProgramCache]: Analyzing trace with hash 880023, now seen corresponding path program 1 times [2022-11-23 15:48:05,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:05,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811265658] [2022-11-23 15:48:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:05,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:06,137 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 15:48:06,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:06,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811265658] [2022-11-23 15:48:06,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811265658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:06,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:06,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:48:06,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869016178] [2022-11-23 15:48:06,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:06,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:48:06,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:06,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:48:06,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:48:06,180 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 15:48:07,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:07,034 INFO L93 Difference]: Finished difference Result 268 states and 461 transitions. [2022-11-23 15:48:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:48:07,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-23 15:48:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:07,050 INFO L225 Difference]: With dead ends: 268 [2022-11-23 15:48:07,051 INFO L226 Difference]: Without dead ends: 133 [2022-11-23 15:48:07,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 15:48:07,058 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:07,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:48:07,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-23 15:48:07,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-11-23 15:48:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.2454545454545454) internal successors, (137), 124 states have internal predecessors, (137), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:48:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 169 transitions. [2022-11-23 15:48:07,113 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 169 transitions. Word has length 3 [2022-11-23 15:48:07,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:07,113 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 169 transitions. [2022-11-23 15:48:07,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 15:48:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2022-11-23 15:48:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:48:07,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:07,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:48:07,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:48:07,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:07,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash 27280772, now seen corresponding path program 1 times [2022-11-23 15:48:07,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:07,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758512834] [2022-11-23 15:48:07,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:07,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:07,144 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:48:07,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079237679] [2022-11-23 15:48:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:07,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:07,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:07,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:07,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:48:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:07,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:48:07,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:07,435 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 15:48:07,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:48:07,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:07,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758512834] [2022-11-23 15:48:07,437 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:48:07,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079237679] [2022-11-23 15:48:07,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079237679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:07,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:07,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:48:07,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890243377] [2022-11-23 15:48:07,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:07,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:48:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:07,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:48:07,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:48:07,447 INFO L87 Difference]: Start difference. First operand 133 states and 169 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 15:48:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:10,871 INFO L93 Difference]: Finished difference Result 262 states and 334 transitions. [2022-11-23 15:48:10,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:48:10,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-23 15:48:10,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:10,878 INFO L225 Difference]: With dead ends: 262 [2022-11-23 15:48:10,879 INFO L226 Difference]: Without dead ends: 233 [2022-11-23 15:48:10,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:48:10,880 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 101 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:10,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 326 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:48:10,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-23 15:48:10,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 136. [2022-11-23 15:48:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.238938053097345) internal successors, (140), 127 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:48:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 172 transitions. [2022-11-23 15:48:10,909 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 172 transitions. Word has length 4 [2022-11-23 15:48:10,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:10,910 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 172 transitions. [2022-11-23 15:48:10,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 15:48:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2022-11-23 15:48:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-23 15:48:10,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:10,914 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, 1, 1, 1, 1, 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 15:48:10,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:48:11,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:11,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:11,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:11,122 INFO L85 PathProgramCache]: Analyzing trace with hash -399352896, now seen corresponding path program 1 times [2022-11-23 15:48:11,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:11,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394953989] [2022-11-23 15:48:11,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:11,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:11,463 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:48:11,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376509128] [2022-11-23 15:48:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:11,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:11,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:11,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:11,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:48:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:12,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:48:12,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:13,022 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 15:48:13,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:48:13,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394953989] [2022-11-23 15:48:13,023 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:48:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376509128] [2022-11-23 15:48:13,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376509128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:13,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:13,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:48:13,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173300082] [2022-11-23 15:48:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:13,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:48:13,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:48:13,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:48:13,025 INFO L87 Difference]: Start difference. First operand 136 states and 172 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 15:48:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:14,742 INFO L93 Difference]: Finished difference Result 136 states and 172 transitions. [2022-11-23 15:48:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:48:14,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-11-23 15:48:14,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:14,748 INFO L225 Difference]: With dead ends: 136 [2022-11-23 15:48:14,748 INFO L226 Difference]: Without dead ends: 135 [2022-11-23 15:48:14,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 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 15:48:14,750 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 87 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:14,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 308 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 15:48:14,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-23 15:48:14,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-23 15:48:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:48:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2022-11-23 15:48:14,763 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 48 [2022-11-23 15:48:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:14,763 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2022-11-23 15:48:14,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 15:48:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2022-11-23 15:48:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-23 15:48:14,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:14,770 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, 1, 1, 1, 1, 1, 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 15:48:14,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:48:14,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-23 15:48:14,982 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:14,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:14,982 INFO L85 PathProgramCache]: Analyzing trace with hash 504962863, now seen corresponding path program 1 times [2022-11-23 15:48:14,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:14,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256205528] [2022-11-23 15:48:14,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:14,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:15,216 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:48:15,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370486235] [2022-11-23 15:48:15,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:15,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:15,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:15,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:15,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:48:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:16,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:48:16,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:16,731 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 15:48:16,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:48:16,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:16,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256205528] [2022-11-23 15:48:16,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:48:16,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370486235] [2022-11-23 15:48:16,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370486235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:16,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:16,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:48:16,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578354050] [2022-11-23 15:48:16,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:16,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:48:16,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:16,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:48:16,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:48:16,734 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 15:48:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:19,583 INFO L93 Difference]: Finished difference Result 231 states and 283 transitions. [2022-11-23 15:48:19,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:48:19,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-11-23 15:48:19,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:19,590 INFO L225 Difference]: With dead ends: 231 [2022-11-23 15:48:19,590 INFO L226 Difference]: Without dead ends: 230 [2022-11-23 15:48:19,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 15:48:19,591 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 56 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:19,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 458 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:48:19,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-23 15:48:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-11-23 15:48:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.1782178217821782) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-23 15:48:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2022-11-23 15:48:19,619 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 49 [2022-11-23 15:48:19,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:19,620 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2022-11-23 15:48:19,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 15:48:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2022-11-23 15:48:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:48:19,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:19,623 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:48:19,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:48:19,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:19,836 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:19,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:19,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1920840727, now seen corresponding path program 1 times [2022-11-23 15:48:19,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:19,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873428039] [2022-11-23 15:48:19,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:20,155 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:48:20,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080143165] [2022-11-23 15:48:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:20,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:20,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:20,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:20,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:48:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:21,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:48:21,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:22,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:48:22,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:22,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873428039] [2022-11-23 15:48:22,067 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:48:22,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080143165] [2022-11-23 15:48:22,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080143165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:22,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:22,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:48:22,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607577401] [2022-11-23 15:48:22,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:22,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:48:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:48:22,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:48:22,071 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 15:48:24,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:48:26,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:48:26,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:26,305 INFO L93 Difference]: Finished difference Result 414 states and 510 transitions. [2022-11-23 15:48:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:48:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 52 [2022-11-23 15:48:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:26,314 INFO L225 Difference]: With dead ends: 414 [2022-11-23 15:48:26,315 INFO L226 Difference]: Without dead ends: 256 [2022-11-23 15:48:26,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 15:48:26,317 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 37 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:26,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 292 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-23 15:48:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-23 15:48:26,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2022-11-23 15:48:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 225 states have (on average 1.1733333333333333) internal successors, (264), 238 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-23 15:48:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2022-11-23 15:48:26,338 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 52 [2022-11-23 15:48:26,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:26,339 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2022-11-23 15:48:26,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 15:48:26,339 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2022-11-23 15:48:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:48:26,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:26,342 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] [2022-11-23 15:48:26,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 15:48:26,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:26,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:26,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:26,556 INFO L85 PathProgramCache]: Analyzing trace with hash 382789705, now seen corresponding path program 1 times [2022-11-23 15:48:26,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:26,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100732132] [2022-11-23 15:48:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:26,760 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:48:26,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555253142] [2022-11-23 15:48:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:26,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:26,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:26,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:48:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:28,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:48:28,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:48:28,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:48:28,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:28,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100732132] [2022-11-23 15:48:28,403 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:48:28,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555253142] [2022-11-23 15:48:28,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555253142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:28,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:28,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:48:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071164899] [2022-11-23 15:48:28,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:28,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:48:28,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:28,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:48:28,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:48:28,406 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 15:48:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:30,891 INFO L93 Difference]: Finished difference Result 478 states and 584 transitions. [2022-11-23 15:48:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:48:30,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 65 [2022-11-23 15:48:30,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:30,899 INFO L225 Difference]: With dead ends: 478 [2022-11-23 15:48:30,899 INFO L226 Difference]: Without dead ends: 251 [2022-11-23 15:48:30,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 15:48:30,901 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 11 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:30,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 289 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:48:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-23 15:48:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-23 15:48:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 223 states have (on average 1.1704035874439462) internal successors, (261), 236 states have internal predecessors, (261), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-23 15:48:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 305 transitions. [2022-11-23 15:48:30,942 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 305 transitions. Word has length 65 [2022-11-23 15:48:30,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:30,943 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 305 transitions. [2022-11-23 15:48:30,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 15:48:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 305 transitions. [2022-11-23 15:48:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 15:48:30,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:30,945 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:30,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:48:31,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:31,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:48:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:31,166 INFO L85 PathProgramCache]: Analyzing trace with hash -671223932, now seen corresponding path program 1 times [2022-11-23 15:48:31,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:31,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384440347] [2022-11-23 15:48:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:31,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:31,264 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:48:31,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145346229] [2022-11-23 15:48:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:31,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:31,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:31,266 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:31,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:51:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:52,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 15:51:52,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:51:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:51:52,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:51:52,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:52,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384440347] [2022-11-23 15:51:52,420 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:51:52,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145346229] [2022-11-23 15:51:52,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145346229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:52,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:52,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:51:52,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814641075] [2022-11-23 15:51:52,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:52,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:51:52,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:52,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:51:52,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:51:52,423 INFO L87 Difference]: Start difference. First operand 251 states and 305 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:51:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:55,267 INFO L93 Difference]: Finished difference Result 491 states and 611 transitions. [2022-11-23 15:51:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:51:55,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 78 [2022-11-23 15:51:55,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:55,274 INFO L225 Difference]: With dead ends: 491 [2022-11-23 15:51:55,274 INFO L226 Difference]: Without dead ends: 247 [2022-11-23 15:51:55,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:51:55,276 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 127 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:55,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 464 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:51:55,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-23 15:51:55,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-23 15:51:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 218 states have (on average 1.1697247706422018) internal successors, (255), 232 states have internal predecessors, (255), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2022-11-23 15:51:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 303 transitions. [2022-11-23 15:51:55,298 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 303 transitions. Word has length 78 [2022-11-23 15:51:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:55,298 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 303 transitions. [2022-11-23 15:51:55,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:51:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 303 transitions. [2022-11-23 15:51:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 15:51:55,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:55,302 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:55,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:51:55,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:51:55,527 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 15:51:55,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:55,527 INFO L85 PathProgramCache]: Analyzing trace with hash 228506376, now seen corresponding path program 1 times [2022-11-23 15:51:55,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:55,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125792677] [2022-11-23 15:51:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:55,656 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:51:55,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977010672] [2022-11-23 15:51:55,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:55,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:51:55,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:51:55,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:51:55,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4aeecd-a47d-4d23-9289-557704d2be9e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:57:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:33,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:57:33,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:57:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 15:57:33,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:57:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:57:33,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:33,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125792677] [2022-11-23 15:57:33,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:57:33,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977010672] [2022-11-23 15:57:33,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977010672] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:57:33,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [419858580] [2022-11-23 15:57:33,922 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-23 15:57:33,922 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:57:33,931 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:57:33,938 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:57:33,939 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:57:34,264 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 15:57:34,298 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:57:34,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 15:57:34,312 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 15:57:34,336 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:57:34,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-11-23 15:57:34,385 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:57:34,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:57:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-23 15:57:34,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:57:34,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-23 15:57:34,812 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 15:57:34,828 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 15:57:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:57:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 15:57:34,983 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 15:57:34,996 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 15:57:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-23 15:57:35,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:57:35,180 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 15:57:35,256 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:57:35,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 15:57:35,276 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 28 treesize of output 36 [2022-11-23 15:57:35,305 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 15:57:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:57:35,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:57:35,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:57:35,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:57:35,627 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 15:57:35,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-23 15:57:35,660 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:57:35,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-23 15:57:35,693 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:57:35,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-23 15:57:35,735 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 15:57:35,742 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 15:57:35,748 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 15:57:35,813 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 46 treesize of output 16 [2022-11-23 15:57:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 15:57:35,886 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 15:57:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 15:57:36,080 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 46 treesize of output 16 [2022-11-23 15:57:36,095 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 15:57:37,129 INFO L217 Elim1Store]: Index analysis took 720 ms [2022-11-23 15:57:39,888 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 15:57:39,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752694 treesize of output 10752697 [2022-11-23 15:57:40,837 INFO L217 Elim1Store]: Index analysis took 787 ms [2022-11-23 15:57:42,745 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 15:57:42,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752699 treesize of output 10752701 [2022-11-23 15:57:50,574 WARN L233 SmtUtils]: Spent 7.76s 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 15:57:50,575 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 15:57:50,575 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 1476 [2022-11-23 15:58:13,073 WARN L233 SmtUtils]: Spent 22.31s 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 15:58:13,073 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 15:58:13,074 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 1834 [2022-11-23 15:58:14,012 INFO L217 Elim1Store]: Index analysis took 637 ms [2022-11-23 15:58:40,138 WARN L233 SmtUtils]: Spent 25.69s 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 15:58:40,139 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 15:58:40,140 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 15:58:41,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:58:41,626 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-23 15:58:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:41,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:58:41,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 15:58:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:43,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 15:58:51,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:59:10,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:59:10,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 15:59:17,432 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:00:01,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:01,160 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 16:00:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:01,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:01,339 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 16:00:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:05,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:00:05,521 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 16:00:05,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:00:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:05,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 16:00:05,611 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 16:00:05,631 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:00:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:05,683 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 16:00:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:05,731 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 16:00:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:05,777 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 16:00:09,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:00:39,023 WARN L233 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 13941 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)