./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/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_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:42:33,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:42:33,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:42:33,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:42:33,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:42:33,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:42:33,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:42:33,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:42:33,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:42:33,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:42:33,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:42:33,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:42:33,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:42:33,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:42:33,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:42:33,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:42:33,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:42:33,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:42:33,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:42:33,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:42:33,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:42:33,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:42:33,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:42:33,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:42:33,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:42:33,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:42:33,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:42:33,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:42:33,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:42:33,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:42:33,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:42:33,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:42:33,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:42:33,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:42:33,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:42:33,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:42:33,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:42:33,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:42:33,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:42:33,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:42:33,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:42:33,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:42:33,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:42:33,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:42:33,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:42:33,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:42:33,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:42:33,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:42:33,760 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:42:33,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:42:33,760 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:42:33,760 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:42:33,761 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:42:33,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:42:33,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:42:33,761 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:42:33,761 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:42:33,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:42:33,762 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:42:33,762 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:42:33,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:42:33,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:42:33,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:42:33,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:42:33,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:42:33,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:42:33,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:42:33,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:42:33,764 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:42:33,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:42:33,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:42:33,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:42:33,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:42:33,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:42:33,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:33,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:42:33,765 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:42:33,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:42:33,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:42:33,766 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:42:33,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:42:33,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:42:33,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:42:33,767 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_8135b178-b6b6-42a1-badf-60053163487a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-11-23 14:42:34,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:42:34,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:42:34,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:42:34,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:42:34,064 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:42:34,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-23 14:42:37,049 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:42:37,380 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:42:37,381 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-23 14:42:37,391 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/data/775e6baaf/5b01e85f731147a8aaccfada771c8407/FLAGc92859639 [2022-11-23 14:42:37,412 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/data/775e6baaf/5b01e85f731147a8aaccfada771c8407 [2022-11-23 14:42:37,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:42:37,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:42:37,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:37,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:42:37,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:42:37,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b21df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37, skipping insertion in model container [2022-11-23 14:42:37,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:42:37,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:42:37,810 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_8135b178-b6b6-42a1-badf-60053163487a/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-23 14:42:37,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:42:37,833 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:42:37,868 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_8135b178-b6b6-42a1-badf-60053163487a/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-23 14:42:37,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:42:37,903 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:42:37,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37 WrapperNode [2022-11-23 14:42:37,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:37,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:42:37,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:42:37,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:42:37,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,945 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2022-11-23 14:42:37,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:42:37,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:42:37,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:42:37,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:42:37,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:42:37,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:42:37,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:42:37,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:42:37,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (1/1) ... [2022-11-23 14:42:37,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:42:38,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:42:38,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:42:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:42:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:42:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:42:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:42:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:42:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:42:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:42:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:42:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:42:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:42:38,253 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:42:38,255 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:42:38,578 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:42:38,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:42:38,702 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 14:42:38,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:38 BoogieIcfgContainer [2022-11-23 14:42:38,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:42:38,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:42:38,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:42:38,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:42:38,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:42:37" (1/3) ... [2022-11-23 14:42:38,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534cb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:38, skipping insertion in model container [2022-11-23 14:42:38,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:37" (2/3) ... [2022-11-23 14:42:38,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534cb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:38, skipping insertion in model container [2022-11-23 14:42:38,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:38" (3/3) ... [2022-11-23 14:42:38,718 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-11-23 14:42:38,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:42:38,743 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:42:38,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:42:38,803 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;@74953314, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:42:38,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:42:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:42:38,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:38,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:42:38,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:42:38,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:38,818 INFO L85 PathProgramCache]: Analyzing trace with hash -388181351, now seen corresponding path program 1 times [2022-11-23 14:42:38,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:38,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855712351] [2022-11-23 14:42:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:38,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:39,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:39,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855712351] [2022-11-23 14:42:39,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855712351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:42:39,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:42:39,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:42:39,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694908846] [2022-11-23 14:42:39,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:42:39,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:42:39,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:42:39,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:42:39,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:42:39,096 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:39,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:42:39,207 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-11-23 14:42:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:42:39,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-23 14:42:39,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:42:39,223 INFO L225 Difference]: With dead ends: 25 [2022-11-23 14:42:39,223 INFO L226 Difference]: Without dead ends: 12 [2022-11-23 14:42:39,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:42:39,233 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:42:39,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:42:39,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-23 14:42:39,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-23 14:42:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-23 14:42:39,264 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-11-23 14:42:39,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:42:39,264 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-23 14:42:39,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-11-23 14:42:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:42:39,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:39,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:42:39,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:42:39,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:42:39,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash 249157005, now seen corresponding path program 1 times [2022-11-23 14:42:39,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:39,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349713475] [2022-11-23 14:42:39,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:39,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:39,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:39,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349713475] [2022-11-23 14:42:39,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349713475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:42:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893188216] [2022-11-23 14:42:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:39,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:39,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:42:39,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:42:39,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:42:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:39,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:42:39,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:42:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:39,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:42:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:39,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893188216] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:42:39,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1846204089] [2022-11-23 14:42:39,840 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-23 14:42:39,841 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:42:39,846 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:42:39,854 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:42:39,856 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:42:39,993 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:42:39,994 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 14:42:40,060 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:42:40,062 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 14:42:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-11-23 14:42:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-23 14:42:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,336 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 27 treesize of output 17 [2022-11-23 14:42:40,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-23 14:42:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:40,401 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 27 treesize of output 17 [2022-11-23 14:42:40,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-23 14:42:40,576 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-23 14:42:40,577 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 32 treesize of output 53 [2022-11-23 14:42:40,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 14:42:41,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,123 INFO L217 Elim1Store]: Index analysis took 231 ms [2022-11-23 14:42:41,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:41,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:41,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:43,175 INFO L321 Elim1Store]: treesize reduction 83, result has 28.4 percent of original size [2022-11-23 14:42:43,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 339 treesize of output 339 [2022-11-23 14:42:43,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,415 INFO L217 Elim1Store]: Index analysis took 158 ms [2022-11-23 14:42:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:43,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:43,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:43,924 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 14:42:43,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 351 treesize of output 348 [2022-11-23 14:42:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 306 [2022-11-23 14:42:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 306 [2022-11-23 14:42:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-23 14:42:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-23 14:42:44,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-23 14:42:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-23 14:42:44,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:44,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:44,647 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-23 14:42:44,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 462 treesize of output 485 [2022-11-23 14:42:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:44,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:44,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 539 treesize of output 569 [2022-11-23 14:42:44,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 115 treesize of output 65 [2022-11-23 14:42:44,773 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 21 treesize of output 13 [2022-11-23 14:42:44,791 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 45 treesize of output 25 [2022-11-23 14:42:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:44,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:44,985 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-23 14:42:44,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 525 treesize of output 492 [2022-11-23 14:42:45,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 267 [2022-11-23 14:42:45,368 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 267 treesize of output 203 [2022-11-23 14:42:45,392 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 24 treesize of output 18 [2022-11-23 14:42:45,653 INFO L321 Elim1Store]: treesize reduction 112, result has 22.8 percent of original size [2022-11-23 14:42:45,654 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 694 treesize of output 707 [2022-11-23 14:42:45,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:45,800 INFO L321 Elim1Store]: treesize reduction 144, result has 25.4 percent of original size [2022-11-23 14:42:45,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 693 treesize of output 721 [2022-11-23 14:42:46,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-23 14:42:46,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:46,308 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:42:46,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-23 14:42:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:46,458 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 14:42:46,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-23 14:42:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 14:42:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-23 14:42:46,604 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-23 14:42:46,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 56 [2022-11-23 14:42:46,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-11-23 14:42:46,672 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-23 14:42:46,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-23 14:42:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-23 14:42:46,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 14:42:46,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-23 14:42:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:46,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:47,130 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:42:47,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-23 14:42:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:47,260 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 14:42:47,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-23 14:42:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 14:42:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-23 14:42:47,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 103 treesize of output 55 [2022-11-23 14:42:47,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-23 14:42:47,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:42:47,518 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-23 14:42:47,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 143 [2022-11-23 14:42:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:47,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-11-23 14:42:47,706 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:42:48,302 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '121#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-23 14:42:48,302 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:42:48,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:42:48,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-23 14:42:48,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237036147] [2022-11-23 14:42:48,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:42:48,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 14:42:48,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:42:48,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 14:42:48,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:42:48,305 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:48,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:42:48,556 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-11-23 14:42:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:42:48,557 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:42:48,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:42:48,558 INFO L225 Difference]: With dead ends: 24 [2022-11-23 14:42:48,558 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 14:42:48,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:42:48,559 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:42:48,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:42:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 14:42:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 14:42:48,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-23 14:42:48,563 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-11-23 14:42:48,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:42:48,564 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-23 14:42:48,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-23 14:42:48,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 14:42:48,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:48,565 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-11-23 14:42:48,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:42:48,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:48,777 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:42:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:48,778 INFO L85 PathProgramCache]: Analyzing trace with hash -555724695, now seen corresponding path program 2 times [2022-11-23 14:42:48,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:48,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48882814] [2022-11-23 14:42:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:48,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:49,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:49,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48882814] [2022-11-23 14:42:49,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48882814] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:42:49,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657803378] [2022-11-23 14:42:49,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 14:42:49,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:42:49,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:42:49,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:42:50,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-23 14:42:50,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:42:50,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 14:42:50,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:42:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:50,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:42:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:42:50,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657803378] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:42:50,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [679512745] [2022-11-23 14:42:50,671 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-23 14:42:50,671 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:42:50,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:42:50,672 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:42:50,672 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:42:50,720 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:42:50,720 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 14:42:50,761 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:42:50,761 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 14:42:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-11-23 14:42:50,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-23 14:42:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,880 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 27 treesize of output 17 [2022-11-23 14:42:50,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-23 14:42:50,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:50,918 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 27 treesize of output 17 [2022-11-23 14:42:50,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-23 14:42:50,996 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-23 14:42:50,996 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 32 treesize of output 53 [2022-11-23 14:42:51,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 14:42:51,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:51,464 INFO L217 Elim1Store]: Index analysis took 313 ms [2022-11-23 14:42:51,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:51,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:51,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:52,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:52,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,254 INFO L321 Elim1Store]: treesize reduction 79, result has 26.9 percent of original size [2022-11-23 14:42:53,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 327 treesize of output 327 [2022-11-23 14:42:53,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,459 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-23 14:42:53,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:53,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:53,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:53,927 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-23 14:42:53,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 339 treesize of output 336 [2022-11-23 14:42:54,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 294 [2022-11-23 14:42:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 294 [2022-11-23 14:42:54,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 294 [2022-11-23 14:42:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 294 [2022-11-23 14:42:54,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:54,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:54,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:54,784 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-23 14:42:54,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 450 treesize of output 478 [2022-11-23 14:42:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,850 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 0 case distinctions, treesize of input 397 treesize of output 384 [2022-11-23 14:42:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,894 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 0 case distinctions, treesize of input 397 treesize of output 384 [2022-11-23 14:42:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:54,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:54,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:54,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:54,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 527 treesize of output 557 [2022-11-23 14:42:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,074 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-23 14:42:55,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 479 treesize of output 446 [2022-11-23 14:42:55,335 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-23 14:42:55,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 190 [2022-11-23 14:42:55,351 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 178 treesize of output 134 [2022-11-23 14:42:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:55,371 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 34 treesize of output 11 [2022-11-23 14:42:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 470 treesize of output 425 [2022-11-23 14:42:55,446 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 21 treesize of output 13 [2022-11-23 14:42:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:55,459 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 405 treesize of output 393 [2022-11-23 14:42:55,973 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-23 14:42:55,974 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 955 treesize of output 954 [2022-11-23 14:42:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,091 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-23 14:42:56,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 960 treesize of output 970 [2022-11-23 14:42:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:56,454 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:42:56,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-23 14:42:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:56,569 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 14:42:56,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-23 14:42:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 14:42:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-23 14:42:56,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 103 treesize of output 55 [2022-11-23 14:42:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-23 14:42:56,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 14:42:56,825 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-23 14:42:56,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 143 [2022-11-23 14:42:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:56,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-11-23 14:42:56,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 14:42:56,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-23 14:42:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:57,130 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 14:42:57,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-23 14:42:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:42:57,281 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 14:42:57,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-23 14:42:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 14:42:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-23 14:42:57,446 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-23 14:42:57,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-23 14:42:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-23 14:42:57,543 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-23 14:42:57,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 121 [2022-11-23 14:42:57,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:42:57,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2022-11-23 14:42:57,745 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:42:58,383 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '273#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-23 14:42:58,383 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:42:58,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:42:58,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-11-23 14:42:58,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187397811] [2022-11-23 14:42:58,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:42:58,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:42:58,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:42:58,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:42:58,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-23 14:42:58,385 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:42:58,612 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-23 14:42:58,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:42:58,613 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 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 14 [2022-11-23 14:42:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:42:58,614 INFO L225 Difference]: With dead ends: 26 [2022-11-23 14:42:58,614 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 14:42:58,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-23 14:42:58,615 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:42:58,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:42:58,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 14:42:58,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-23 14:42:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-23 14:42:58,621 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-11-23 14:42:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:42:58,621 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-23 14:42:58,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-23 14:42:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:42:58,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:58,623 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-23 14:42:58,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:42:58,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:42:58,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:42:58,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:58,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1846206627, now seen corresponding path program 3 times [2022-11-23 14:42:58,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:58,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062928141] [2022-11-23 14:42:58,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:42:59,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:42:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:42:59,174 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:42:59,174 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:42:59,175 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:42:59,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:42:59,181 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-23 14:42:59,184 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:42:59,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:42:59 BoogieIcfgContainer [2022-11-23 14:42:59,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:42:59,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:42:59,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:42:59,227 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:42:59,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:38" (3/4) ... [2022-11-23 14:42:59,230 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 14:42:59,301 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:42:59,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:42:59,302 INFO L158 Benchmark]: Toolchain (without parser) took 21880.90ms. Allocated memory was 127.9MB in the beginning and 295.7MB in the end (delta: 167.8MB). Free memory was 100.3MB in the beginning and 136.0MB in the end (delta: -35.7MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,302 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:42:59,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.38ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 83.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.91ms. Allocated memory is still 127.9MB. Free memory was 83.0MB in the beginning and 80.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,303 INFO L158 Benchmark]: Boogie Preprocessor took 28.00ms. Allocated memory is still 127.9MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,308 INFO L158 Benchmark]: RCFGBuilder took 730.64ms. Allocated memory is still 127.9MB. Free memory was 79.4MB in the beginning and 95.2MB in the end (delta: -15.8MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,308 INFO L158 Benchmark]: TraceAbstraction took 20518.83ms. Allocated memory was 127.9MB in the beginning and 295.7MB in the end (delta: 167.8MB). Free memory was 94.1MB in the beginning and 139.2MB in the end (delta: -45.0MB). Peak memory consumption was 122.2MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,308 INFO L158 Benchmark]: Witness Printer took 74.22ms. Allocated memory is still 295.7MB. Free memory was 139.2MB in the beginning and 136.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:42:59,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.38ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 83.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.91ms. Allocated memory is still 127.9MB. Free memory was 83.0MB in the beginning and 80.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.00ms. Allocated memory is still 127.9MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.64ms. Allocated memory is still 127.9MB. Free memory was 79.4MB in the beginning and 95.2MB in the end (delta: -15.8MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20518.83ms. Allocated memory was 127.9MB in the beginning and 295.7MB in the end (delta: 167.8MB). Free memory was 94.1MB in the beginning and 139.2MB in the end (delta: -45.0MB). Peak memory consumption was 122.2MB. Max. memory is 16.1GB. * Witness Printer took 74.22ms. Allocated memory is still 295.7MB. Free memory was 139.2MB in the beginning and 136.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 616]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L599] const int len = 5; [L600] CALL, EXPR dll_create(len) [L579] DLL head = ((void *)0); VAL [head={0:0}, len=5, unknown-#in~len-unknown=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND FALSE !(\read(head)) [L593] head = new_head [L594] len-- VAL [head={-1:0}, len=4, new_head={-1:0}, unknown-#in~len-unknown=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [head={-2:0}, len=3, new_head={-2:0}, unknown-#in~len-unknown=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [head={-3:0}, len=2, new_head={-3:0}, unknown-#in~len-unknown=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [head={-4:0}, len=1, new_head={-4:0}, unknown-#in~len-unknown=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [head={-5:0}, len=0, new_head={-5:0}, unknown-#in~len-unknown=5] [L580] COND FALSE !(len > 0) [L596] return head; [L600] RET, EXPR dll_create(len) [L600] DLL head = dll_create(len); [L601] head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L601] COND TRUE head->next [L602] EXPR head->data_0 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] EXPR head->data_1 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L602] EXPR head->data_2 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L602] COND TRUE 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L616] reach_error() VAL [head={-5:0}, len=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 23 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 606 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/51 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 14:42:59,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8135b178-b6b6-42a1-badf-60053163487a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE