./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/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_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:03:13,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:03:13,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:03:13,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:03:13,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:03:13,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:03:13,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:03:13,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:03:13,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:03:13,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:03:13,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:03:13,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:03:13,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:03:13,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:03:13,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:03:13,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:03:13,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:03:13,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:03:13,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:03:13,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:03:13,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:03:13,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:03:13,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:03:13,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:03:13,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:03:13,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:03:13,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:03:13,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:03:13,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:03:13,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:03:13,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:03:13,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:03:13,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:03:13,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:03:13,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:03:13,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:03:13,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:03:13,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:03:13,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:03:13,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:03:13,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:03:13,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:03:13,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:03:13,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:03:13,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:03:13,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:03:13,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:03:13,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:03:13,933 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:03:13,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:03:13,933 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:03:13,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:03:13,935 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:03:13,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:03:13,935 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:03:13,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:03:13,936 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:03:13,936 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:03:13,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:03:13,937 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:03:13,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:03:13,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:03:13,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:03:13,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:03:13,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:03:13,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:03:13,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:03:13,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:03:13,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:03:13,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:03:13,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:03:13,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:03:13,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:03:13,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:03:13,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:03:13,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:03:13,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:03:13,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:03:13,946 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:03:13,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:03:13,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:03:13,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:03:13,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:03:13,947 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2021-11-23 02:03:14,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:03:14,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:03:14,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:03:14,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:03:14,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:03:14,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2021-11-23 02:03:14,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/data/3d060b04d/b5486569ecdb46ea97dd1628d5a65f06/FLAG3f4cd1f97 [2021-11-23 02:03:14,996 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:03:14,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2021-11-23 02:03:15,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/data/3d060b04d/b5486569ecdb46ea97dd1628d5a65f06/FLAG3f4cd1f97 [2021-11-23 02:03:15,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/data/3d060b04d/b5486569ecdb46ea97dd1628d5a65f06 [2021-11-23 02:03:15,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:03:15,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:03:15,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:03:15,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:03:15,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:03:15,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:15,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d002a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15, skipping insertion in model container [2021-11-23 02:03:15,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:15,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:03:15,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:03:15,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2021-11-23 02:03:15,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:03:15,837 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:03:15,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2021-11-23 02:03:15,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:03:15,942 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:03:15,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15 WrapperNode [2021-11-23 02:03:15,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:03:15,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:03:15,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:03:15,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:03:15,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:15,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,031 INFO L137 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2021-11-23 02:03:16,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:03:16,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:03:16,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:03:16,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:03:16,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:03:16,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:03:16,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:03:16,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:03:16,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (1/1) ... [2021-11-23 02:03:16,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:03:16,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:03:16,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:03:16,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:03:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:03:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:03:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:03:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:03:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:03:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:03:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:03:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:03:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:03:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:03:16,276 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:03:16,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:03:16,612 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:03:16,793 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:03:16,793 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 02:03:16,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:16 BoogieIcfgContainer [2021-11-23 02:03:16,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:03:16,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:03:16,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:03:16,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:03:16,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:03:15" (1/3) ... [2021-11-23 02:03:16,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d137eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:16, skipping insertion in model container [2021-11-23 02:03:16,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:15" (2/3) ... [2021-11-23 02:03:16,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d137eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:16, skipping insertion in model container [2021-11-23 02:03:16,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:16" (3/3) ... [2021-11-23 02:03:16,808 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2021-11-23 02:03:16,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:03:16,815 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:03:16,875 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:03:16,884 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:03:16,884 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:03:16,902 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) [2021-11-23 02:03:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 02:03:16,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:16,909 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-23 02:03:16,910 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:16,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:16,917 INFO L85 PathProgramCache]: Analyzing trace with hash -180350524, now seen corresponding path program 1 times [2021-11-23 02:03:16,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:16,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483822137] [2021-11-23 02:03:16,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:16,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:17,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:17,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483822137] [2021-11-23 02:03:17,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483822137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:17,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:17,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:03:17,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021997287] [2021-11-23 02:03:17,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:17,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:17,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:17,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:17,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:17,182 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) [2021-11-23 02:03:17,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:17,284 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2021-11-23 02:03:17,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:17,287 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 [2021-11-23 02:03:17,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:17,296 INFO L225 Difference]: With dead ends: 25 [2021-11-23 02:03:17,297 INFO L226 Difference]: Without dead ends: 12 [2021-11-23 02:03:17,300 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:03:17,305 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 13 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 [2021-11-23 02:03:17,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:03:17,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-23 02:03:17,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-11-23 02:03:17,341 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) [2021-11-23 02:03:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-11-23 02:03:17,343 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2021-11-23 02:03:17,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:17,344 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-23 02:03:17,344 INFO L471 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) [2021-11-23 02:03:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 02:03:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 02:03:17,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:17,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:17,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:03:17,347 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:17,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:17,348 INFO L85 PathProgramCache]: Analyzing trace with hash -143098010, now seen corresponding path program 1 times [2021-11-23 02:03:17,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:17,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908589341] [2021-11-23 02:03:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:17,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:17,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:17,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908589341] [2021-11-23 02:03:17,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908589341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:03:17,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742316042] [2021-11-23 02:03:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:17,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:03:17,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:03:17,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:03:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:17,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:03:17,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:03:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:17,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:03:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:17,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742316042] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:03:17,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1629840601] [2021-11-23 02:03:17,751 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-23 02:03:17,751 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:03:17,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:03:17,780 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:03:17,781 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:03:17,997 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:03:17,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:18,070 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:03:18,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2021-11-23 02:03:18,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 94 treesize of output 93 [2021-11-23 02:03:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 90 treesize of output 80 [2021-11-23 02:03:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2021-11-23 02:03:18,560 INFO L354 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2021-11-23 02:03:18,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:18,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,590 INFO L354 Elim1Store]: treesize reduction 160, result has 23.1 percent of original size [2021-11-23 02:03:19,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 case distinctions, treesize of input 376 treesize of output 381 [2021-11-23 02:03:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:03:19,923 INFO L354 Elim1Store]: treesize reduction 224, result has 16.4 percent of original size [2021-11-23 02:03:19,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 415 treesize of output 410 [2021-11-23 02:03:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:19,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 458 treesize of output 451 [2021-11-23 02:03:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 438 [2021-11-23 02:03:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 45 [2021-11-23 02:03:20,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 51 [2021-11-23 02:03:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 148 treesize of output 96 [2021-11-23 02:03:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 41 [2021-11-23 02:03:20,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:03:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 117 treesize of output 71 [2021-11-23 02:03:20,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:20,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 02:03:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,358 INFO L354 Elim1Store]: treesize reduction 160, result has 23.1 percent of original size [2021-11-23 02:03:21,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 case distinctions, treesize of input 376 treesize of output 381 [2021-11-23 02:03:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:03:21,728 INFO L354 Elim1Store]: treesize reduction 224, result has 16.4 percent of original size [2021-11-23 02:03:21,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 415 treesize of output 410 [2021-11-23 02:03:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 458 treesize of output 451 [2021-11-23 02:03:21,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 438 [2021-11-23 02:03:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 66 treesize of output 38 [2021-11-23 02:03:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:21,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 66 treesize of output 38 [2021-11-23 02:03:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 45 [2021-11-23 02:03:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:03:22,098 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 02:03:22,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 181 treesize of output 114 [2021-11-23 02:03:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:22,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 49 [2021-11-23 02:03:22,437 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:03:23,124 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '118#(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 [2021-11-23 02:03:23,124 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:03:23,124 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:03:23,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-23 02:03:23,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074251877] [2021-11-23 02:03:23,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:03:23,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:03:23,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:23,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:03:23,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:03:23,128 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) [2021-11-23 02:03:23,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:23,309 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2021-11-23 02:03:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:03:23,309 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 [2021-11-23 02:03:23,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:23,310 INFO L225 Difference]: With dead ends: 24 [2021-11-23 02:03:23,310 INFO L226 Difference]: Without dead ends: 17 [2021-11-23 02:03:23,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:03:23,312 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:23,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 28 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:03:23,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-23 02:03:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-23 02:03:23,316 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) [2021-11-23 02:03:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-23 02:03:23,317 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2021-11-23 02:03:23,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:23,317 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-23 02:03:23,318 INFO L471 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) [2021-11-23 02:03:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-23 02:03:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:03:23,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:23,319 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:23,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:03:23,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:23,532 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:23,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:23,533 INFO L85 PathProgramCache]: Analyzing trace with hash 67233060, now seen corresponding path program 2 times [2021-11-23 02:03:23,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:23,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463764813] [2021-11-23 02:03:23,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:23,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:23,772 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:23,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463764813] [2021-11-23 02:03:23,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463764813] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:03:23,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619219772] [2021-11-23 02:03:23,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 02:03:23,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:23,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:03:23,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:03:23,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:03:26,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-23 02:03:26,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 02:03:26,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:03:26,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:03:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:26,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:03:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:26,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619219772] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:03:26,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1658544066] [2021-11-23 02:03:26,563 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-23 02:03:26,564 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:03:26,564 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:03:26,564 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:03:26,564 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:03:26,627 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:03:26,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:26,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 02:03:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2021-11-23 02:03:26,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 90 treesize of output 89 [2021-11-23 02:03:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 86 treesize of output 76 [2021-11-23 02:03:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:26,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2021-11-23 02:03:26,880 INFO L354 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2021-11-23 02:03:26,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:26,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,593 INFO L354 Elim1Store]: treesize reduction 160, result has 23.1 percent of original size [2021-11-23 02:03:27,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 case distinctions, treesize of input 376 treesize of output 381 [2021-11-23 02:03:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:27,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:03:27,988 INFO L354 Elim1Store]: treesize reduction 224, result has 16.4 percent of original size [2021-11-23 02:03:27,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 415 treesize of output 410 [2021-11-23 02:03:28,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 444 treesize of output 441 [2021-11-23 02:03:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 35 [2021-11-23 02:03:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 35 [2021-11-23 02:03:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 41 [2021-11-23 02:03:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 41 [2021-11-23 02:03:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 51 [2021-11-23 02:03:28,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:03:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 41 [2021-11-23 02:03:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 138 treesize of output 86 [2021-11-23 02:03:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 129 treesize of output 83 [2021-11-23 02:03:28,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 202 treesize of output 144 [2021-11-23 02:03:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 117 treesize of output 71 [2021-11-23 02:03:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 117 treesize of output 71 [2021-11-23 02:03:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:28,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 201 treesize of output 131 [2021-11-23 02:03:29,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:03:29,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 02:03:29,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:03:29,680 INFO L354 Elim1Store]: treesize reduction 164, result has 21.2 percent of original size [2021-11-23 02:03:29,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 376 treesize of output 377 [2021-11-23 02:03:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:29,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,009 INFO L354 Elim1Store]: treesize reduction 220, result has 17.9 percent of original size [2021-11-23 02:03:30,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 case distinctions, treesize of input 411 treesize of output 416 [2021-11-23 02:03:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 458 treesize of output 451 [2021-11-23 02:03:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 454 treesize of output 438 [2021-11-23 02:03:30,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 66 treesize of output 38 [2021-11-23 02:03:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 66 treesize of output 38 [2021-11-23 02:03:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 45 [2021-11-23 02:03:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:03:30,398 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 02:03:30,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 181 treesize of output 114 [2021-11-23 02:03:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:03:30,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 49 [2021-11-23 02:03:30,699 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:03:31,417 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '267#(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 [2021-11-23 02:03:31,417 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:03:31,418 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:03:31,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2021-11-23 02:03:31,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75109151] [2021-11-23 02:03:31,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:03:31,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:03:31,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:31,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:03:31,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:03:31,420 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) [2021-11-23 02:03:31,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:31,672 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2021-11-23 02:03:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:03:31,673 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 [2021-11-23 02:03:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:31,674 INFO L225 Difference]: With dead ends: 26 [2021-11-23 02:03:31,674 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 02:03:31,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:03:31,676 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:31,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 35 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:03:31,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 02:03:31,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-23 02:03:31,681 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) [2021-11-23 02:03:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-11-23 02:03:31,682 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2021-11-23 02:03:31,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:31,682 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-11-23 02:03:31,683 INFO L471 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) [2021-11-23 02:03:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-23 02:03:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 02:03:31,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:31,684 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:31,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:03:31,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:03:31,903 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:31,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:31,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2018696690, now seen corresponding path program 3 times [2021-11-23 02:03:31,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:31,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986462703] [2021-11-23 02:03:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:31,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:03:32,182 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:03:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:03:32,449 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:03:32,450 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:03:32,451 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:03:32,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:03:32,457 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2021-11-23 02:03:32,461 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:03:32,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:03:32 BoogieIcfgContainer [2021-11-23 02:03:32,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:03:32,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:03:32,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:03:32,507 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:03:32,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:16" (3/4) ... [2021-11-23 02:03:32,510 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 02:03:32,566 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:03:32,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:03:32,568 INFO L158 Benchmark]: Toolchain (without parser) took 17284.00ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 57.4MB in the beginning and 89.1MB in the end (delta: -31.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,568 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:03:32,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.98ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 57.1MB in the beginning and 64.6MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.85ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 62.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,569 INFO L158 Benchmark]: Boogie Preprocessor took 53.19ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,570 INFO L158 Benchmark]: RCFGBuilder took 710.35ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 67.6MB in the end (delta: -6.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,570 INFO L158 Benchmark]: TraceAbstraction took 15707.43ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 92.3MB in the end (delta: -25.1MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,571 INFO L158 Benchmark]: Witness Printer took 60.11ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 89.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:03:32,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.98ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 57.1MB in the beginning and 64.6MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.85ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 62.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.19ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.35ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 67.6MB in the end (delta: -6.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 15707.43ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 92.3MB in the end (delta: -25.1MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * Witness Printer took 60.11ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 89.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 [\old(len)=5, head={0:0}, len=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] EXPR __VERIFIER_nondet_int() == len? 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 [\old(len)=5, head={-1:0}, len=4, new_head={-1:0}] [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] EXPR __VERIFIER_nondet_int() == len? 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 [\old(len)=5, head={-2:0}, len=3, new_head={-2:0}] [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] EXPR __VERIFIER_nondet_int() == len? 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 [\old(len)=5, head={-3:0}, len=2, new_head={-3:0}] [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] EXPR __VERIFIER_nondet_int() == len? 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 [\old(len)=5, head={-4:0}, len=1, new_head={-4:0}] [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] EXPR __VERIFIER_nondet_int() == len? 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 [\old(len)=5, head={-5:0}, len=0, new_head={-5:0}] [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: 15.6s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 23 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.5s 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, 3.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 246 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! [2021-11-23 02:03:32,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f097724-e5c0-49eb-af06-693e75644636/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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