./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:27:01,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:27:01,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:27:01,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:27:01,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:27:01,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:27:01,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:27:01,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:27:01,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:27:01,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:27:01,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:27:01,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:27:01,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:27:01,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:27:01,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:27:01,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:27:01,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:27:01,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:27:01,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:27:01,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:27:01,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:27:01,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:27:01,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:27:01,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:27:01,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:27:01,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:27:01,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:27:01,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:27:01,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:27:01,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:27:01,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:27:01,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:27:01,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:27:01,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:27:01,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:27:01,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:27:01,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:27:01,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:27:01,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:27:01,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:27:01,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:27:01,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-19 08:27:01,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:27:01,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:27:01,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:27:01,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:27:01,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:27:01,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:27:01,150 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:27:01,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:27:01,151 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:27:01,152 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:27:01,152 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:27:01,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:27:01,153 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:27:01,153 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:27:01,153 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:27:01,154 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:27:01,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:27:01,154 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:27:01,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:27:01,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:27:01,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:27:01,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:27:01,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:27:01,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:27:01,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:27:01,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:27:01,158 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:27:01,158 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:27:01,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:27:01,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:27:01,159 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:27:01,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:27:01,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:27:01,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:27:01,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:01,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:27:01,161 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:27:01,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:27:01,161 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:27:01,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:27:01,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:27:01,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-11-19 08:27:01,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:27:01,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:27:01,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:27:01,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:27:01,495 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:27:01,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-19 08:27:01,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/data/117f8fa69/e7cd99be676f4dd289bd4c8351254cdb/FLAG676b6db3e [2022-11-19 08:27:02,163 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:27:02,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-19 08:27:02,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/data/117f8fa69/e7cd99be676f4dd289bd4c8351254cdb/FLAG676b6db3e [2022-11-19 08:27:02,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/data/117f8fa69/e7cd99be676f4dd289bd4c8351254cdb [2022-11-19 08:27:02,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:27:02,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:27:02,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:02,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:27:02,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:27:02,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:02" (1/1) ... [2022-11-19 08:27:02,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4f854c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:02, skipping insertion in model container [2022-11-19 08:27:02,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:02" (1/1) ... [2022-11-19 08:27:02,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:27:02,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:27:02,996 WARN L234 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_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-19 08:27:03,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:03,016 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:27:03,076 WARN L234 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_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-19 08:27:03,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:03,111 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:27:03,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03 WrapperNode [2022-11-19 08:27:03,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:03,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:03,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:27:03,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:27:03,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,194 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2022-11-19 08:27:03,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:03,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:27:03,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:27:03,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:27:03,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,251 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:27:03,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:27:03,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:27:03,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:27:03,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (1/1) ... [2022-11-19 08:27:03,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:03,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:03,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:27:03,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:27:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:27:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:27:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:27:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:27:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:27:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:27:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:27:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:27:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:27:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:27:03,521 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:27:03,523 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:27:03,950 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:27:04,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:27:04,031 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:27:04,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:04 BoogieIcfgContainer [2022-11-19 08:27:04,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:27:04,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:27:04,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:27:04,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:27:04,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:27:02" (1/3) ... [2022-11-19 08:27:04,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bb336d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:04, skipping insertion in model container [2022-11-19 08:27:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:03" (2/3) ... [2022-11-19 08:27:04,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bb336d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:04, skipping insertion in model container [2022-11-19 08:27:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:04" (3/3) ... [2022-11-19 08:27:04,045 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-11-19 08:27:04,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:27:04,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-19 08:27:04,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:27:04,132 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@382efad8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:27:04,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-19 08:27:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 08:27:04,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:04,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 08:27:04,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:04,150 INFO L85 PathProgramCache]: Analyzing trace with hash 194799, now seen corresponding path program 1 times [2022-11-19 08:27:04,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:04,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800669227] [2022-11-19 08:27:04,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:04,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:04,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:04,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800669227] [2022-11-19 08:27:04,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800669227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:04,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:04,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:04,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640076863] [2022-11-19 08:27:04,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:04,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:04,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:04,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:04,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:04,458 INFO L87 Difference]: Start difference. First operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 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 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:04,601 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2022-11-19 08:27:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:04,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-19 08:27:04,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:04,612 INFO L225 Difference]: With dead ends: 95 [2022-11-19 08:27:04,613 INFO L226 Difference]: Without dead ends: 92 [2022-11-19 08:27:04,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:04,618 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 24 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:04,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 130 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:04,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-19 08:27:04,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-11-19 08:27:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-11-19 08:27:04,660 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 3 [2022-11-19 08:27:04,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:04,660 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-11-19 08:27:04,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-11-19 08:27:04,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:27:04,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:04,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:27:04,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:27:04,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:04,663 INFO L85 PathProgramCache]: Analyzing trace with hash 5879945, now seen corresponding path program 1 times [2022-11-19 08:27:04,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:04,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994450986] [2022-11-19 08:27:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:04,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:04,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:04,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994450986] [2022-11-19 08:27:04,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994450986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:04,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:04,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:04,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86974918] [2022-11-19 08:27:04,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:04,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:04,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:04,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:04,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:04,731 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:04,829 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2022-11-19 08:27:04,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:04,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 08:27:04,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:04,831 INFO L225 Difference]: With dead ends: 93 [2022-11-19 08:27:04,833 INFO L226 Difference]: Without dead ends: 93 [2022-11-19 08:27:04,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:04,836 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 69 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:04,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:04,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-19 08:27:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-11-19 08:27:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 2.0555555555555554) internal successors, (74), 65 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2022-11-19 08:27:04,851 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 4 [2022-11-19 08:27:04,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:04,853 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2022-11-19 08:27:04,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-11-19 08:27:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:27:04,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:04,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:27:04,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:27:04,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:04,858 INFO L85 PathProgramCache]: Analyzing trace with hash 5879946, now seen corresponding path program 1 times [2022-11-19 08:27:04,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:04,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446353320] [2022-11-19 08:27:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:04,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:05,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:05,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446353320] [2022-11-19 08:27:05,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446353320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:05,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:05,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:05,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225203301] [2022-11-19 08:27:05,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:05,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:05,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:05,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:05,025 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:05,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:05,121 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-11-19 08:27:05,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:05,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 08:27:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:05,123 INFO L225 Difference]: With dead ends: 61 [2022-11-19 08:27:05,123 INFO L226 Difference]: Without dead ends: 61 [2022-11-19 08:27:05,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:05,125 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:05,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 38 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:05,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-19 08:27:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-19 08:27:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-11-19 08:27:05,133 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 4 [2022-11-19 08:27:05,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:05,134 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-11-19 08:27:05,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-11-19 08:27:05,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 08:27:05,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:05,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:05,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:27:05,135 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:05,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:05,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1562642246, now seen corresponding path program 1 times [2022-11-19 08:27:05,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:05,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929110000] [2022-11-19 08:27:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:05,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:05,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:05,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929110000] [2022-11-19 08:27:05,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929110000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:05,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:05,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:05,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719219070] [2022-11-19 08:27:05,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:05,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:05,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:05,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:05,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:05,284 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:05,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:05,354 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-19 08:27:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:05,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-19 08:27:05,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:05,360 INFO L225 Difference]: With dead ends: 69 [2022-11-19 08:27:05,360 INFO L226 Difference]: Without dead ends: 69 [2022-11-19 08:27:05,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:05,368 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:05,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:05,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-19 08:27:05,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-11-19 08:27:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-11-19 08:27:05,374 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 10 [2022-11-19 08:27:05,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:05,374 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-11-19 08:27:05,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-11-19 08:27:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:27:05,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:05,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:05,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:27:05,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:05,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:05,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1539195952, now seen corresponding path program 1 times [2022-11-19 08:27:05,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:05,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936682760] [2022-11-19 08:27:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:05,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:05,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:05,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936682760] [2022-11-19 08:27:05,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936682760] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:05,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819932225] [2022-11-19 08:27:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:05,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:05,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:05,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:27:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:05,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:27:05,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:05,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:05,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819932225] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:05,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [436931184] [2022-11-19 08:27:05,873 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-19 08:27:05,874 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:05,878 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:05,884 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:05,885 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:05,983 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:06,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:06,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:06,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:06,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:06,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:06,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:06,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:06,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:06,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:06,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:06,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2022-11-19 08:27:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2022-11-19 08:27:06,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2022-11-19 08:27:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:06,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,001 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-19 08:27:07,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 299 treesize of output 301 [2022-11-19 08:27:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,045 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:07,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,087 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:07,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,261 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:07,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:07,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,295 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:07,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:07,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,351 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-19 08:27:07,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 313 treesize of output 318 [2022-11-19 08:27:07,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,546 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:07,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-11-19 08:27:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,592 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:07,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 301 [2022-11-19 08:27:07,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,629 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:07,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 299 treesize of output 301 [2022-11-19 08:27:07,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,782 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:07,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-11-19 08:27:07,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,843 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:07,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 308 treesize of output 313 [2022-11-19 08:27:07,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:07,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:07,884 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:07,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 308 treesize of output 313 [2022-11-19 08:27:08,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 08:27:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 69 [2022-11-19 08:27:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,339 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-19 08:27:08,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 299 treesize of output 301 [2022-11-19 08:27:08,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,372 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:08,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,396 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:08,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,537 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-19 08:27:08,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 313 treesize of output 318 [2022-11-19 08:27:08,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,568 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:08,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:08,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,589 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:08,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 292 [2022-11-19 08:27:08,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,743 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:08,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-11-19 08:27:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,788 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:08,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 301 [2022-11-19 08:27:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,827 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:08,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 299 treesize of output 301 [2022-11-19 08:27:08,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:08,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:08,971 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:08,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-11-19 08:27:09,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:09,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:09,025 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:09,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 313 [2022-11-19 08:27:09,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:09,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:09,063 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:09,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 308 treesize of output 313 [2022-11-19 08:27:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:09,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:09,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:09,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:09,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:09,338 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:14,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [436931184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:14,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:14,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 14 [2022-11-19 08:27:14,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075132574] [2022-11-19 08:27:14,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:14,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 08:27:14,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:14,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 08:27:14,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:27:14,258 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:14,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:14,297 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-11-19 08:27:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:27:14,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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 12 [2022-11-19 08:27:14,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:14,298 INFO L225 Difference]: With dead ends: 77 [2022-11-19 08:27:14,299 INFO L226 Difference]: Without dead ends: 77 [2022-11-19 08:27:14,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:27:14,300 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 161 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:14,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 161 Unchecked, 0.0s Time] [2022-11-19 08:27:14,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-19 08:27:14,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-19 08:27:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 76 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2022-11-19 08:27:14,306 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 12 [2022-11-19 08:27:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:14,306 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2022-11-19 08:27:14,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-11-19 08:27:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:27:14,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:14,307 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-19 08:27:14,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:27:14,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:14,513 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:14,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash 135230789, now seen corresponding path program 1 times [2022-11-19 08:27:14,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:14,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092065522] [2022-11-19 08:27:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:14,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:14,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:14,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092065522] [2022-11-19 08:27:14,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092065522] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:14,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848936535] [2022-11-19 08:27:14,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:14,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:14,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:14,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:14,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:27:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:14,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 08:27:14,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:14,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:15,029 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:27:15,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 08:27:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:15,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:15,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848936535] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:15,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [986663924] [2022-11-19 08:27:15,221 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-19 08:27:15,221 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:15,222 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:15,222 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:15,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,248 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:15,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:15,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:15,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:15,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:15,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:15,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:15,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:15,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:15,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:15,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:15,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:15,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:15,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 08:27:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 67 [2022-11-19 08:27:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,798 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:15,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:15,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,854 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:27:15,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:15,880 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:15,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,038 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:27:16,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-11-19 08:27:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:16,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:16,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,093 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:16,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:16,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,238 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:16,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:16,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,293 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:16,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:16,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,330 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:16,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,453 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:16,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,525 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:16,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,562 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:16,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2022-11-19 08:27:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2022-11-19 08:27:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2022-11-19 08:27:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,895 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:27:16,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,922 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:16,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:16,942 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:16,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,088 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:27:17,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-11-19 08:27:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,122 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:17,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,145 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:17,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:17,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,294 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:17,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,351 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:17,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:17,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,391 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:17,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:17,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,515 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:17,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,558 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:17,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:17,593 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:17,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:17,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:17,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:17,939 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:23,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [986663924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:23,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:23,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-19 08:27:23,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778771594] [2022-11-19 08:27:23,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:23,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:23,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:23,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-11-19 08:27:23,214 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:23,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:23,243 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2022-11-19 08:27:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:27:23,244 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 19 [2022-11-19 08:27:23,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:23,245 INFO L225 Difference]: With dead ends: 78 [2022-11-19 08:27:23,245 INFO L226 Difference]: Without dead ends: 78 [2022-11-19 08:27:23,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-11-19 08:27:23,250 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 119 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:23,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 119 Unchecked, 0.0s Time] [2022-11-19 08:27:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-19 08:27:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-19 08:27:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.6603773584905661) internal successors, (88), 77 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2022-11-19 08:27:23,257 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 19 [2022-11-19 08:27:23,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:23,258 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2022-11-19 08:27:23,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-11-19 08:27:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:27:23,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:23,259 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-19 08:27:23,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:23,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:23,466 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:23,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:23,467 INFO L85 PathProgramCache]: Analyzing trace with hash 135230790, now seen corresponding path program 1 times [2022-11-19 08:27:23,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:23,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130295050] [2022-11-19 08:27:23,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:23,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:23,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:23,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130295050] [2022-11-19 08:27:23,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130295050] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:23,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466024756] [2022-11-19 08:27:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:23,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:23,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:23,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:27:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:23,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-19 08:27:23,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:23,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:24,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:24,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 08:27:24,021 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:27:24,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:27:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:24,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:26,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-11-19 08:27:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:26,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466024756] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:26,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1808884489] [2022-11-19 08:27:26,385 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-19 08:27:26,385 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:26,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:26,386 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:26,386 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,406 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:26,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:26,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:26,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:26,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:26,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:26,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:26,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:26,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:26,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:26,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:26,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 08:27:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 67 [2022-11-19 08:27:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,917 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:27:26,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,943 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:26,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:26,964 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:26,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:27,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,087 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:27:27,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-11-19 08:27:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,117 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:27,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,137 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:27,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,250 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:27,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:27,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,291 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:27,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:27,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,322 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:27,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,479 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:27,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,528 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:27,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,565 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:27,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:27,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2022-11-19 08:27:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2022-11-19 08:27:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2022-11-19 08:27:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,858 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:27,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:27,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,911 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:27:27,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:27,940 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:27,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,058 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:27:28,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-11-19 08:27:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,094 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:28,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,112 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:28,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:28,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,232 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:28,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,288 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:28,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:28,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,325 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:28,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,454 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:28,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,504 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:28,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:28,543 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:28,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:28,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:28,881 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:34,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1808884489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:34,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:34,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 5, 5] total 19 [2022-11-19 08:27:34,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693623960] [2022-11-19 08:27:34,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:34,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:34,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:34,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:34,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-11-19 08:27:34,657 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:34,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:34,691 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-11-19 08:27:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:27:34,692 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 19 [2022-11-19 08:27:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:34,693 INFO L225 Difference]: With dead ends: 78 [2022-11-19 08:27:34,693 INFO L226 Difference]: Without dead ends: 78 [2022-11-19 08:27:34,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-11-19 08:27:34,694 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 232 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:34,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 232 Unchecked, 0.0s Time] [2022-11-19 08:27:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-19 08:27:34,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-19 08:27:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 77 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2022-11-19 08:27:34,700 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 19 [2022-11-19 08:27:34,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:34,701 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2022-11-19 08:27:34,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-11-19 08:27:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:34,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:34,702 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:34,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:34,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 08:27:34,908 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:34,909 INFO L85 PathProgramCache]: Analyzing trace with hash -18869613, now seen corresponding path program 1 times [2022-11-19 08:27:34,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:34,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496969338] [2022-11-19 08:27:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:27:35,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:35,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496969338] [2022-11-19 08:27:35,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496969338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:35,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:35,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:27:35,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572144879] [2022-11-19 08:27:35,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:35,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:27:35,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:35,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:27:35,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:35,057 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:35,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:35,227 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2022-11-19 08:27:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:27:35,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-19 08:27:35,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:35,228 INFO L225 Difference]: With dead ends: 94 [2022-11-19 08:27:35,228 INFO L226 Difference]: Without dead ends: 94 [2022-11-19 08:27:35,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:27:35,229 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 165 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:35,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-19 08:27:35,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2022-11-19 08:27:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.5) internal successors, (84), 71 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-11-19 08:27:35,234 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2022-11-19 08:27:35,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:35,234 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-11-19 08:27:35,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-11-19 08:27:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:27:35,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:35,235 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:35,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:27:35,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash -18869612, now seen corresponding path program 1 times [2022-11-19 08:27:35,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:35,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904774996] [2022-11-19 08:27:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:35,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:35,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:35,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904774996] [2022-11-19 08:27:35,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904774996] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:35,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521387477] [2022-11-19 08:27:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:35,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:35,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:35,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:35,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:27:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:35,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 08:27:35,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:35,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:35,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521387477] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:35,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [905855497] [2022-11-19 08:27:35,623 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-11-19 08:27:35,624 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:35,624 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:35,624 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:35,625 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,655 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:35,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:35,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:35,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:35,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:35,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:35,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:35,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:35,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:35,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:35,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:35,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:35,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:35,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,051 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:36,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 292 treesize of output 283 [2022-11-19 08:27:36,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,098 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 08:27:36,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 288 treesize of output 291 [2022-11-19 08:27:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,121 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:36,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 292 treesize of output 283 [2022-11-19 08:27:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,227 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-19 08:27:36,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 297 treesize of output 303 [2022-11-19 08:27:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,254 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:36,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 283 [2022-11-19 08:27:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:36,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 283 [2022-11-19 08:27:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,384 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-19 08:27:36,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 311 treesize of output 320 [2022-11-19 08:27:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,417 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:36,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 283 [2022-11-19 08:27:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:36,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 283 [2022-11-19 08:27:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,556 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:36,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 326 treesize of output 323 [2022-11-19 08:27:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,603 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:36,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 290 treesize of output 292 [2022-11-19 08:27:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,635 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:36,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 290 treesize of output 292 [2022-11-19 08:27:36,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,756 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:36,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 299 treesize of output 304 [2022-11-19 08:27:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,803 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:36,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 326 treesize of output 323 [2022-11-19 08:27:36,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:36,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:36,841 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:36,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 299 treesize of output 304 [2022-11-19 08:27:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,055 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:37,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 326 treesize of output 323 [2022-11-19 08:27:37,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,100 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:37,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 308 treesize of output 309 [2022-11-19 08:27:37,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,139 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:37,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 304 treesize of output 305 [2022-11-19 08:27:37,542 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:27:37,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 555 treesize of output 556 [2022-11-19 08:27:37,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:37,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:37,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:37,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:37,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:37,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:37,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:27:37,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:37,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:37,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,872 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:37,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:37,900 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:37,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:37,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:37,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,966 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:37,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:37,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:37,991 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:37,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:27:38,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:38,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:38,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:38,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:38,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:38,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:38,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:38,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:38,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:27:38,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:38,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,175 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:38,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:38,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,210 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:38,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:38,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:38,263 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:38,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:38,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:38,285 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:38,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:38,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:27:38,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:38,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:38,406 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:39,624 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1780#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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_~head~0#1.offset| 0) (not (< 0 |ULTIMATE.start_dll_create_~len#1|)) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 08:27:39,624 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:39,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:39,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-19 08:27:39,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782527701] [2022-11-19 08:27:39,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:39,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:27:39,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:39,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:27:39,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:27:39,626 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:39,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:39,693 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2022-11-19 08:27:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:27:39,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 22 [2022-11-19 08:27:39,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:39,694 INFO L225 Difference]: With dead ends: 128 [2022-11-19 08:27:39,694 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 08:27:39,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:27:39,695 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 58 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:39,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 155 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:39,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 08:27:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2022-11-19 08:27:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 123 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2022-11-19 08:27:39,704 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 22 [2022-11-19 08:27:39,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:39,704 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-11-19 08:27:39,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:39,705 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-11-19 08:27:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 08:27:39,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:39,706 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-11-19 08:27:39,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 08:27:39,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-19 08:27:39,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:39,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:39,912 INFO L85 PathProgramCache]: Analyzing trace with hash -448164573, now seen corresponding path program 1 times [2022-11-19 08:27:39,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:39,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258967849] [2022-11-19 08:27:39,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:39,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:27:40,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:40,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258967849] [2022-11-19 08:27:40,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258967849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:40,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285390793] [2022-11-19 08:27:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:40,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:40,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:40,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:40,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:27:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:40,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-19 08:27:40,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:40,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 08:27:40,533 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:27:40,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:27:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:27:40,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:40,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-11-19 08:27:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:27:40,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285390793] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:40,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [782318187] [2022-11-19 08:27:40,856 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-19 08:27:40,856 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:40,856 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:40,856 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:40,857 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,878 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:40,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:40,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:40,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:40,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:40,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:40,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:40,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:41,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:41,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:41,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:41,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:41,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 08:27:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 67 [2022-11-19 08:27:41,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2022-11-19 08:27:41,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,455 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:27:41,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,481 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:41,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:41,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,507 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:41,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,591 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:41,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,648 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:27:41,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-11-19 08:27:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:41,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-19 08:27:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,780 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:41,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:41,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,819 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:41,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:41,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,853 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:41,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-11-19 08:27:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:41,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:41,994 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:41,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,044 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:42,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,077 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:42,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-11-19 08:27:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:42,272 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:42,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-11-19 08:27:42,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,313 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:42,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 329 treesize of output 328 [2022-11-19 08:27:42,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:42,350 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:42,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 323 treesize of output 322 [2022-11-19 08:27:42,744 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:27:42,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 580 treesize of output 581 [2022-11-19 08:27:43,083 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-19 08:27:43,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 622 treesize of output 508 [2022-11-19 08:27:43,153 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-19 08:27:43,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 622 treesize of output 607 [2022-11-19 08:27:43,299 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-19 08:27:43,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 618 treesize of output 614 [2022-11-19 08:27:43,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:43,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-19 08:27:43,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:43,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:43,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-11-19 08:27:43,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:43,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:43,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-11-19 08:27:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 43 treesize of output 30 [2022-11-19 08:27:43,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,540 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:43,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:43,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,581 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:43,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:43,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:43,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:43,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:43,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:43,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:43,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:43,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:43,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-19 08:27:43,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-11-19 08:27:43,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:43,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:43,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:43,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-11-19 08:27:43,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:43,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,804 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:43,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:43,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:43,825 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:43,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:43,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 43 treesize of output 30 [2022-11-19 08:27:43,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:43,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:43,921 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:44,891 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2222#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< (select |#length| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 16)) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= |ULTIMATE.start_dll_create_~len#1| 5) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 8)) 0) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 20) (select |#length| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_dll_create_#t~nondet4#1_29| Int)) (and (<= |v_ULTIMATE.start_dll_create_#t~nondet4#1_29| 2147483647) (<= 0 (+ |v_ULTIMATE.start_dll_create_#t~nondet4#1_29| 2147483648)) (= (ite (= |v_ULTIMATE.start_dll_create_#t~nondet4#1_29| |ULTIMATE.start_dll_create_~len#1|) 1 0) (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 16 |ULTIMATE.start_dll_create_~new_head~0#1.offset|))))) (= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))' at error location [2022-11-19 08:27:44,891 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:44,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:44,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2022-11-19 08:27:44,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299179610] [2022-11-19 08:27:44,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:44,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:27:44,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:44,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:27:44,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-11-19 08:27:44,893 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:45,110 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2022-11-19 08:27:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:27:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 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 29 [2022-11-19 08:27:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:45,112 INFO L225 Difference]: With dead ends: 143 [2022-11-19 08:27:45,112 INFO L226 Difference]: Without dead ends: 143 [2022-11-19 08:27:45,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2022-11-19 08:27:45,113 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 259 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:45,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 77 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 52 Unchecked, 0.1s Time] [2022-11-19 08:27:45,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-19 08:27:45,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2022-11-19 08:27:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 119 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2022-11-19 08:27:45,127 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 29 [2022-11-19 08:27:45,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:45,127 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-11-19 08:27:45,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-11-19 08:27:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-19 08:27:45,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:45,129 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-11-19 08:27:45,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:45,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:45,335 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:45,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1036004723, now seen corresponding path program 2 times [2022-11-19 08:27:45,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:45,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205529590] [2022-11-19 08:27:45,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:45,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:27:45,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:45,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205529590] [2022-11-19 08:27:45,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205529590] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:45,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969959019] [2022-11-19 08:27:45,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:27:45,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:45,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:45,456 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:27:45,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 08:27:45,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:27:45,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-19 08:27:45,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-19 08:27:45,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:27:45,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969959019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:45,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:27:45,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-11-19 08:27:45,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460474954] [2022-11-19 08:27:45,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:45,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:27:45,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:45,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:27:45,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:27:45,725 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:45,884 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2022-11-19 08:27:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:27:45,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-11-19 08:27:45,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:45,886 INFO L225 Difference]: With dead ends: 147 [2022-11-19 08:27:45,886 INFO L226 Difference]: Without dead ends: 147 [2022-11-19 08:27:45,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:27:45,887 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 286 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:45,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 43 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-19 08:27:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-11-19 08:27:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 136 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2022-11-19 08:27:45,893 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 49 [2022-11-19 08:27:45,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:45,893 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2022-11-19 08:27:45,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-11-19 08:27:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 08:27:45,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:45,895 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:45,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:46,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:46,112 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:46,112 INFO L85 PathProgramCache]: Analyzing trace with hash 18290846, now seen corresponding path program 1 times [2022-11-19 08:27:46,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:46,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937718144] [2022-11-19 08:27:46,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:27:46,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:46,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937718144] [2022-11-19 08:27:46,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937718144] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:46,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540139881] [2022-11-19 08:27:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:46,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:46,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:46,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:46,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:27:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:46,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:27:46,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:27:46,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:27:46,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540139881] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:46,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1215536536] [2022-11-19 08:27:46,556 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-19 08:27:46,557 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:46,557 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:46,557 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:46,557 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,579 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:46,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:46,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:46,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:46,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:46,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:46,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:46,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:46,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:46,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:46,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 08:27:46,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:46,998 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:46,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 302 [2022-11-19 08:27:47,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,066 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 08:27:47,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 307 treesize of output 310 [2022-11-19 08:27:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,090 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:47,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 302 [2022-11-19 08:27:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,173 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:47,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 302 [2022-11-19 08:27:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,217 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:27:47,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 316 treesize of output 322 [2022-11-19 08:27:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,240 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:47,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 302 [2022-11-19 08:27:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,355 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:27:47,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 330 treesize of output 339 [2022-11-19 08:27:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,381 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:47,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 302 [2022-11-19 08:27:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,398 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:47,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 302 [2022-11-19 08:27:47,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,511 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:47,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 309 treesize of output 311 [2022-11-19 08:27:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,558 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:47,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-11-19 08:27:47,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,610 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:47,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 309 treesize of output 311 [2022-11-19 08:27:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,747 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:47,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-11-19 08:27:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,791 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:47,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 318 treesize of output 323 [2022-11-19 08:27:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:47,833 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:27:47,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 318 treesize of output 323 [2022-11-19 08:27:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:47,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,028 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:48,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-11-19 08:27:48,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,074 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:48,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 327 treesize of output 326 [2022-11-19 08:27:48,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,113 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:48,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 321 treesize of output 320 [2022-11-19 08:27:48,510 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:27:48,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 555 treesize of output 556 [2022-11-19 08:27:48,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:48,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:48,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:48,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:48,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:48,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:48,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:27:48,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:48,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,824 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:48,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:48,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:48,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:48,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,872 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:48,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:27:48,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,934 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:48,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:48,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:48,959 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:48,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:48,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:48,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:49,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:49,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:49,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:49,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:49,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:49,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:49,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:27:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,089 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:49,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:49,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:49,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:49,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,165 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:49,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:27:49,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:49,224 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:49,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:49,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:49,250 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:49,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:49,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:49,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:49,403 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:51,043 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3254#(and (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= (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_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~1#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-19 08:27:51,043 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:51,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:51,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-19 08:27:51,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541982429] [2022-11-19 08:27:51,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:51,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:27:51,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:51,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:27:51,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-19 08:27:51,045 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:51,126 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-11-19 08:27:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:27:51,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 08:27:51,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:51,129 INFO L225 Difference]: With dead ends: 110 [2022-11-19 08:27:51,129 INFO L226 Difference]: Without dead ends: 110 [2022-11-19 08:27:51,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-19 08:27:51,130 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 96 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:51,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-19 08:27:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-19 08:27:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 109 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-11-19 08:27:51,136 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 52 [2022-11-19 08:27:51,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:51,136 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-11-19 08:27:51,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-11-19 08:27:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 08:27:51,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:51,138 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:51,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:51,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:51,345 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:51,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1013420238, now seen corresponding path program 2 times [2022-11-19 08:27:51,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:51,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053632812] [2022-11-19 08:27:51,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-19 08:27:51,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053632812] [2022-11-19 08:27:51,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053632812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:51,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:51,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:27:51,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870489027] [2022-11-19 08:27:51,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:51,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:27:51,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:51,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:27:51,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:51,616 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:51,743 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-11-19 08:27:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:27:51,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 55 [2022-11-19 08:27:51,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:51,744 INFO L225 Difference]: With dead ends: 118 [2022-11-19 08:27:51,744 INFO L226 Difference]: Without dead ends: 118 [2022-11-19 08:27:51,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:27:51,745 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 195 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:51,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 58 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:51,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-19 08:27:51,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-11-19 08:27:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 109 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-11-19 08:27:51,749 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 55 [2022-11-19 08:27:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:51,749 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-11-19 08:27:51,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-11-19 08:27:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 08:27:51,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:51,751 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:51,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 08:27:51,751 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:51,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash -126966776, now seen corresponding path program 1 times [2022-11-19 08:27:51,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:51,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757684506] [2022-11-19 08:27:51,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-19 08:27:52,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:52,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757684506] [2022-11-19 08:27:52,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757684506] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:52,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377499234] [2022-11-19 08:27:52,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:52,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:52,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 08:27:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:53,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-19 08:27:53,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:53,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:53,047 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:27:53,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:27:53,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 32 [2022-11-19 08:27:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 32 [2022-11-19 08:27:53,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 32 [2022-11-19 08:27:53,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-19 08:27:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:27:53,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:53,346 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2005 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2005) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2022-11-19 08:27:53,355 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2005 (Array Int Int)) (v_ArrVal_2004 Int)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_2004)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2005) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2022-11-19 08:27:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-11-19 08:27:53,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377499234] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:27:53,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [92069749] [2022-11-19 08:27:53,435 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-19 08:27:53,435 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:27:53,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:27:53,436 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:27:53,436 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:27:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,456 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:27:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:27:53,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:53,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:53,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:27:53,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:53,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:53,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:53,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:27:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:53,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:53,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:53,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:27:53,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:53,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:53,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:27:53,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,864 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 08:27:53,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 283 treesize of output 286 [2022-11-19 08:27:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,886 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:53,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 278 [2022-11-19 08:27:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,915 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:53,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 278 [2022-11-19 08:27:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:53,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,016 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-19 08:27:54,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 292 treesize of output 298 [2022-11-19 08:27:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,044 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:54,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:27:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,064 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:54,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:27:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,190 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:54,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:27:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,254 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-19 08:27:54,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 306 treesize of output 315 [2022-11-19 08:27:54,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,280 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:27:54,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:27:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,410 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:54,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 321 treesize of output 318 [2022-11-19 08:27:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,462 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:54,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 285 treesize of output 287 [2022-11-19 08:27:54,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,498 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:27:54,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 287 [2022-11-19 08:27:54,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,626 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:54,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 294 treesize of output 299 [2022-11-19 08:27:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,673 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:54,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 321 treesize of output 318 [2022-11-19 08:27:54,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,710 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:27:54,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 294 treesize of output 299 [2022-11-19 08:27:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:54,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,875 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:27:54,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 321 treesize of output 318 [2022-11-19 08:27:54,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,917 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:54,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 303 treesize of output 304 [2022-11-19 08:27:54,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:54,951 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:27:54,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 299 treesize of output 300 [2022-11-19 08:27:55,368 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:27:55,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 615 treesize of output 608 [2022-11-19 08:27:55,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:55,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:55,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:55,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:55,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:27:55,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,669 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:55,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,693 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:55,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:55,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:55,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:55,743 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:55,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:27:55,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:55,778 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:55,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:55,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:55,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:55,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:55,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:55,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:27:55,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:27:55,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:27:55,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:27:55,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,906 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:55,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:27:55,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:55,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:27:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:55,943 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:27:55,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:55,980 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:27:55,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:27:55,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:27:56,003 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:27:56,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:27:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:56,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:56,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:56,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:56,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:27:56,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:56,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:27:56,182 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:27:58,634 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4097#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 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))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |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|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-19 08:27:58,634 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:27:58,635 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:27:58,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 20 [2022-11-19 08:27:58,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418161408] [2022-11-19 08:27:58,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:27:58,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-19 08:27:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-19 08:27:58,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=945, Unknown=2, NotChecked=130, Total=1260 [2022-11-19 08:27:58,637 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:59,396 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2022-11-19 08:27:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-19 08:27:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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 59 [2022-11-19 08:27:59,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:59,398 INFO L225 Difference]: With dead ends: 137 [2022-11-19 08:27:59,398 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 08:27:59,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 155 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=367, Invalid=1801, Unknown=2, NotChecked=182, Total=2352 [2022-11-19 08:27:59,399 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 688 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 206 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:59,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 159 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 288 Invalid, 0 Unknown, 206 Unchecked, 0.3s Time] [2022-11-19 08:27:59,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 08:27:59,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-19 08:27:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.309278350515464) internal successors, (127), 111 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:59,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-11-19 08:27:59,403 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 59 [2022-11-19 08:27:59,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:59,404 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-11-19 08:27:59,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-11-19 08:27:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-19 08:27:59,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:59,405 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:59,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:59,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:59,606 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:27:59,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash 499271650, now seen corresponding path program 1 times [2022-11-19 08:27:59,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:59,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335909806] [2022-11-19 08:27:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-19 08:28:01,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:01,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335909806] [2022-11-19 08:28:01,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335909806] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:28:01,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176746127] [2022-11-19 08:28:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:01,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:01,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:01,149 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:01,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 08:28:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:01,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-19 08:28:01,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:01,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:01,517 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:28:01,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:28:01,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:01,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:01,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:01,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:01,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 08:28:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:28:01,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:01,736 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2382 Int) (v_ArrVal_2384 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_2382)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2384) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0)) is different from false [2022-11-19 08:28:01,858 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:01,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 43 [2022-11-19 08:28:01,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-19 08:28:01,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:28:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-11-19 08:28:01,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176746127] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:28:01,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [751016283] [2022-11-19 08:28:01,933 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-19 08:28:01,933 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:28:01,934 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:28:01,934 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:28:01,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:28:01,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:01,959 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:28:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:01,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:28:01,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:01,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:02,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:02,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:28:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:28:02,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:02,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:02,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:28:02,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:02,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:02,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:02,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:28:02,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:28:02,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,396 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 08:28:02,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 283 treesize of output 286 [2022-11-19 08:28:02,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 278 [2022-11-19 08:28:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 278 [2022-11-19 08:28:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,557 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:28:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,584 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:28:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,628 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-19 08:28:02,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 292 treesize of output 298 [2022-11-19 08:28:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,764 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-19 08:28:02,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 306 treesize of output 315 [2022-11-19 08:28:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,790 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:28:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,807 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:02,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 278 [2022-11-19 08:28:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,904 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:02,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 321 treesize of output 318 [2022-11-19 08:28:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,945 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:28:02,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 287 [2022-11-19 08:28:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:02,986 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 08:28:02,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 285 treesize of output 287 [2022-11-19 08:28:03,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,112 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:28:03,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 294 treesize of output 299 [2022-11-19 08:28:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,155 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:03,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 321 treesize of output 318 [2022-11-19 08:28:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,193 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 08:28:03,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 294 treesize of output 299 [2022-11-19 08:28:03,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,376 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:28:03,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 303 treesize of output 304 [2022-11-19 08:28:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,426 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:03,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 317 treesize of output 314 [2022-11-19 08:28:03,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:03,467 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:28:03,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 299 treesize of output 300 [2022-11-19 08:28:03,874 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:28:03,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 615 treesize of output 608 [2022-11-19 08:28:04,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:04,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:04,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:28:04,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:28:04,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:28:04,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:04,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,202 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:04,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,220 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:04,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:04,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:04,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:04,270 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:28:04,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:28:04,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:28:04,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:04,308 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:04,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:28:04,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:04,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:04,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:28:04,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:04,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:28:04,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:28:04,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:04,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,436 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:04,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:04,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,465 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:04,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:04,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:28:04,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:04,542 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:04,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:28:04,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:04,565 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:28:04,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:28:04,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:04,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:04,727 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:28:07,857 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4768#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 12) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |#NULL.offset| 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_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |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) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-19 08:28:07,857 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:28:07,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:28:07,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 21 [2022-11-19 08:28:07,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095991526] [2022-11-19 08:28:07,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:28:07,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-19 08:28:07,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:07,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-19 08:28:07,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1172, Unknown=10, NotChecked=72, Total=1482 [2022-11-19 08:28:07,860 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:08,482 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2022-11-19 08:28:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:28:08,483 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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 60 [2022-11-19 08:28:08,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:08,484 INFO L225 Difference]: With dead ends: 137 [2022-11-19 08:28:08,484 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 08:28:08,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 159 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=407, Invalid=1939, Unknown=10, NotChecked=94, Total=2450 [2022-11-19 08:28:08,486 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 501 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:08,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 300 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 339 Invalid, 0 Unknown, 118 Unchecked, 0.3s Time] [2022-11-19 08:28:08,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 08:28:08,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-19 08:28:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 111 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2022-11-19 08:28:08,490 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 60 [2022-11-19 08:28:08,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:08,490 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2022-11-19 08:28:08,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-11-19 08:28:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 08:28:08,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:08,492 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:08,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:28:08,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:08,709 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:28:08,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:08,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2026538214, now seen corresponding path program 1 times [2022-11-19 08:28:08,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:08,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287078471] [2022-11-19 08:28:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:08,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-19 08:28:09,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:09,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287078471] [2022-11-19 08:28:09,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287078471] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:28:09,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171078743] [2022-11-19 08:28:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:09,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:09,537 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:09,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 08:28:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:09,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-19 08:28:09,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:09,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:09,983 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:28:09,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:28:10,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:10,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:10,091 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:28:10,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2022-11-19 08:28:10,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:10,172 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:10,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 15 [2022-11-19 08:28:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:28:10,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:10,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:10,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2022-11-19 08:28:10,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2022-11-19 08:28:10,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 08:28:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 08:28:10,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171078743] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:28:10,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1251913350] [2022-11-19 08:28:10,691 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-19 08:28:10,691 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:28:10,691 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:28:10,692 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:28:10,692 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:28:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,719 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:28:10,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:10,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:28:10,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:10,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:10,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:10,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 08:28:10,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:10,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-19 08:28:10,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:10,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:28:10,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-19 08:28:10,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:10,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:10,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 08:28:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:11,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 306 treesize of output 297 [2022-11-19 08:28:11,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,132 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 08:28:11,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 302 treesize of output 305 [2022-11-19 08:28:11,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,152 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:11,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 306 treesize of output 297 [2022-11-19 08:28:11,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,217 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:11,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 297 [2022-11-19 08:28:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,261 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-19 08:28:11,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 317 [2022-11-19 08:28:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,283 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:11,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 297 [2022-11-19 08:28:11,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,391 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-19 08:28:11,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 334 [2022-11-19 08:28:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,417 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:11,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 297 [2022-11-19 08:28:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,436 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:28:11,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 297 [2022-11-19 08:28:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,546 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:11,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 337 [2022-11-19 08:28:11,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,590 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:28:11,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 304 treesize of output 306 [2022-11-19 08:28:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,626 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:28:11,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 304 treesize of output 306 [2022-11-19 08:28:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,745 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:28:11,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 313 treesize of output 318 [2022-11-19 08:28:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,788 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:11,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 337 [2022-11-19 08:28:11,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,822 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-19 08:28:11,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 313 treesize of output 318 [2022-11-19 08:28:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:11,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:11,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,010 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:28:12,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 337 [2022-11-19 08:28:12,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,048 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:28:12,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 322 treesize of output 321 [2022-11-19 08:28:12,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,081 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-19 08:28:12,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 316 treesize of output 315 [2022-11-19 08:28:12,405 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-19 08:28:12,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 653 treesize of output 646 [2022-11-19 08:28:12,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:12,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:28:12,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:12,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:28:12,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:28:12,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:12,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,692 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:12,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,729 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:12,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:12,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:12,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,780 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:12,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:28:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:28:12,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:12,818 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:28:12,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:28:12,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:12,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:12,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:28:12,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:12,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:12,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:28:12,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:12,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-19 08:28:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,938 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:12,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:12,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:12,971 INFO L350 Elim1Store]: Elim1 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 50 treesize of output 40 [2022-11-19 08:28:12,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:12,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:28:13,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:13,031 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-19 08:28:13,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-19 08:28:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:13,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-11-19 08:28:13,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:28:13,071 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 08:28:13,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 08:28:13,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:28:13,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:13,234 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:28:16,932 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5450#(and (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 16) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-11-19 08:28:16,932 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:28:16,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:28:16,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 28 [2022-11-19 08:28:16,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178067251] [2022-11-19 08:28:16,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:28:16,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-19 08:28:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:16,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-19 08:28:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1834, Unknown=3, NotChecked=0, Total=2070 [2022-11-19 08:28:16,935 INFO L87 Difference]: Start difference. First operand 112 states and 126 transitions. Second operand has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 28 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:17,939 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2022-11-19 08:28:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 08:28:17,940 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 28 states have internal predecessors, (94), 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 61 [2022-11-19 08:28:17,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:17,941 INFO L225 Difference]: With dead ends: 124 [2022-11-19 08:28:17,941 INFO L226 Difference]: Without dead ends: 124 [2022-11-19 08:28:17,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 153 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=471, Invalid=3186, Unknown=3, NotChecked=0, Total=3660 [2022-11-19 08:28:17,942 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 685 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:17,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 440 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 578 Invalid, 0 Unknown, 74 Unchecked, 0.4s Time] [2022-11-19 08:28:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-19 08:28:17,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2022-11-19 08:28:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 101 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2022-11-19 08:28:17,947 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 61 [2022-11-19 08:28:17,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:17,947 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2022-11-19 08:28:17,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 28 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:28:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-11-19 08:28:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 08:28:17,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:17,948 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:17,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-19 08:28:18,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 08:28:18,156 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-11-19 08:28:18,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:18,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1702314332, now seen corresponding path program 1 times [2022-11-19 08:28:18,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:18,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504304797] [2022-11-19 08:28:18,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:18,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:28:18,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:28:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:28:18,375 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:28:18,376 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:28:18,377 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK (34 of 35 remaining) [2022-11-19 08:28:18,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 35 remaining) [2022-11-19 08:28:18,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 35 remaining) [2022-11-19 08:28:18,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 35 remaining) [2022-11-19 08:28:18,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 35 remaining) [2022-11-19 08:28:18,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 35 remaining) [2022-11-19 08:28:18,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 35 remaining) [2022-11-19 08:28:18,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 35 remaining) [2022-11-19 08:28:18,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 35 remaining) [2022-11-19 08:28:18,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 35 remaining) [2022-11-19 08:28:18,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 35 remaining) [2022-11-19 08:28:18,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 35 remaining) [2022-11-19 08:28:18,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 35 remaining) [2022-11-19 08:28:18,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 35 remaining) [2022-11-19 08:28:18,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 35 remaining) [2022-11-19 08:28:18,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 35 remaining) [2022-11-19 08:28:18,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 35 remaining) [2022-11-19 08:28:18,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 35 remaining) [2022-11-19 08:28:18,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 35 remaining) [2022-11-19 08:28:18,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 35 remaining) [2022-11-19 08:28:18,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 35 remaining) [2022-11-19 08:28:18,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 35 remaining) [2022-11-19 08:28:18,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 35 remaining) [2022-11-19 08:28:18,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 35 remaining) [2022-11-19 08:28:18,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 35 remaining) [2022-11-19 08:28:18,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 35 remaining) [2022-11-19 08:28:18,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 35 remaining) [2022-11-19 08:28:18,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 35 remaining) [2022-11-19 08:28:18,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 35 remaining) [2022-11-19 08:28:18,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 35 remaining) [2022-11-19 08:28:18,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 35 remaining) [2022-11-19 08:28:18,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE (3 of 35 remaining) [2022-11-19 08:28:18,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE (2 of 35 remaining) [2022-11-19 08:28:18,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE (1 of 35 remaining) [2022-11-19 08:28:18,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (0 of 35 remaining) [2022-11-19 08:28:18,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 08:28:18,392 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:18,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:28:18,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:28:18 BoogieIcfgContainer [2022-11-19 08:28:18,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:28:18,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:28:18,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:28:18,458 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:28:18,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:04" (3/4) ... [2022-11-19 08:28:18,460 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:28:18,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:28:18,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:28:18,508 INFO L158 Benchmark]: Toolchain (without parser) took 76042.09ms. Allocated memory was 104.9MB in the beginning and 599.8MB in the end (delta: 494.9MB). Free memory was 62.8MB in the beginning and 293.1MB in the end (delta: -230.4MB). Peak memory consumption was 264.4MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,508 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:28:18,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.53ms. Allocated memory is still 104.9MB. Free memory was 62.6MB in the beginning and 73.0MB in the end (delta: -10.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.23ms. Allocated memory is still 104.9MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,509 INFO L158 Benchmark]: Boogie Preprocessor took 59.13ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,509 INFO L158 Benchmark]: RCFGBuilder took 770.89ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 47.3MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,510 INFO L158 Benchmark]: TraceAbstraction took 74419.22ms. Allocated memory was 104.9MB in the beginning and 599.8MB in the end (delta: 494.9MB). Free memory was 46.5MB in the beginning and 297.3MB in the end (delta: -250.8MB). Peak memory consumption was 245.4MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,510 INFO L158 Benchmark]: Witness Printer took 50.46ms. Allocated memory is still 599.8MB. Free memory was 297.3MB in the beginning and 293.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.53ms. Allocated memory is still 104.9MB. Free memory was 62.6MB in the beginning and 73.0MB in the end (delta: -10.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.23ms. Allocated memory is still 104.9MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.13ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 770.89ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 47.3MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 74419.22ms. Allocated memory was 104.9MB in the beginning and 599.8MB in the end (delta: 494.9MB). Free memory was 46.5MB in the beginning and 297.3MB in the end (delta: -250.8MB). Peak memory consumption was 245.4MB. Max. memory is 16.1GB. * Witness Printer took 50.46ms. Allocated memory is still 599.8MB. Free memory was 297.3MB in the beginning and 293.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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]: not all allocated memory was freed not all allocated memory was freed 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) VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L590] COND FALSE !(\read(head)) VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [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) VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [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) VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [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) VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [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) VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [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 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, len=5] [L602] EXPR head->data_1 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [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=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [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] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 612]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 612]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 612]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 35 error locations. Started 1 CEGAR loops. OverallTime: 74.3s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3092 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3092 mSDsluCounter, 2058 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 962 IncrementalHoareTripleChecker+Unchecked, 1447 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1842 IncrementalHoareTripleChecker+Invalid, 2929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 611 mSDtfsCounter, 1842 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 897 SyntacticMatches, 20 SemanticMatches, 276 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2897 ImplicationChecksByTransitivity, 33.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=11, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 188 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 923 NumberOfCodeBlocks, 886 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1160 ConstructedInterpolants, 49 QuantifiedInterpolants, 5453 SizeOfPredicates, 61 NumberOfNonLiveVariables, 3944 ConjunctsInSsa, 191 ConjunctsInUnsatCore, 35 InterpolantComputations, 7 PerfectInterpolantSequences, 1420/1658 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: OVERALL_TIME: 8.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 39, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 95, TOOLS_POST_TIME: 8.2s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 95, TOOLS_QUANTIFIERELIM_TIME: 8.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 147, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 5.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 123, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-19 08:28:18,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2780f6ba-deb7-4fa6-88dc-72bb3de66a7b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)