./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/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_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 20:08:23,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:08:23,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:08:23,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:08:23,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:08:23,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:08:23,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:08:23,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:08:23,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:08:23,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:08:23,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:08:23,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:08:23,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:08:23,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:08:23,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:08:24,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:08:24,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:08:24,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:08:24,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:08:24,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:08:24,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:08:24,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:08:24,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:08:24,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:08:24,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:08:24,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:08:24,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:08:24,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:08:24,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:08:24,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:08:24,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:08:24,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:08:24,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:08:24,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:08:24,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:08:24,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:08:24,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:08:24,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:08:24,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:08:24,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:08:24,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:08:24,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-20 20:08:24,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:08:24,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:08:24,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:08:24,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:08:24,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:08:24,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:08:24,064 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:08:24,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:08:24,064 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:08:24,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:08:24,066 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:08:24,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:08:24,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:08:24,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:08:24,067 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:08:24,067 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:08:24,067 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:08:24,067 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:08:24,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 20:08:24,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 20:08:24,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:08:24,069 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:08:24,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:08:24,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:08:24,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:08:24,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:08:24,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 20:08:24,071 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 20:08:24,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:08:24,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:08:24,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:08:24,072 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:08:24,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:08:24,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:08:24,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:08:24,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:08:24,074 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:08:24,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:08:24,074 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:08:24,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:08:24,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:08:24,075 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_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-11-20 20:08:24,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:08:24,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:08:24,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:08:24,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:08:24,379 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:08:24,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-20 20:08:27,447 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:08:27,686 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:08:27,686 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-20 20:08:27,699 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/data/d7a36f1ca/0003868008bb4548ac34aa8d8946b872/FLAG87f46d3b6 [2022-11-20 20:08:27,717 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/data/d7a36f1ca/0003868008bb4548ac34aa8d8946b872 [2022-11-20 20:08:27,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:08:27,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:08:27,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:08:27,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:08:27,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:08:27,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:08:27" (1/1) ... [2022-11-20 20:08:27,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5820b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:27, skipping insertion in model container [2022-11-20 20:08:27,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:08:27" (1/1) ... [2022-11-20 20:08:27,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:08:27,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:08:28,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-20 20:08:28,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:08:28,097 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:08:28,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-20 20:08:28,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:08:28,183 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:08:28,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28 WrapperNode [2022-11-20 20:08:28,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:08:28,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:08:28,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:08:28,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:08:28,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,263 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2022-11-20 20:08:28,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:08:28,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:08:28,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:08:28,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:08:28,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:08:28,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:08:28,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:08:28,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:08:28,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (1/1) ... [2022-11-20 20:08:28,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:08:28,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:08:28,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:08:28,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:08:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:08:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:08:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:08:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:08:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:08:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:08:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:08:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:08:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:08:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:08:28,513 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:08:28,515 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:08:28,953 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:08:29,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:08:29,001 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 20:08:29,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:08:29 BoogieIcfgContainer [2022-11-20 20:08:29,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:08:29,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:08:29,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:08:29,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:08:29,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:08:27" (1/3) ... [2022-11-20 20:08:29,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7470b5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:08:29, skipping insertion in model container [2022-11-20 20:08:29,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:08:28" (2/3) ... [2022-11-20 20:08:29,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7470b5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:08:29, skipping insertion in model container [2022-11-20 20:08:29,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:08:29" (3/3) ... [2022-11-20 20:08:29,016 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-11-20 20:08:29,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:08:29,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-20 20:08:29,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:08:29,097 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;@1396ee35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:08:29,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-20 20:08:29,101 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) [2022-11-20 20:08:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 20:08:29,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:29,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-20 20:08:29,110 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)] === [2022-11-20 20:08:29,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:29,116 INFO L85 PathProgramCache]: Analyzing trace with hash 194799, now seen corresponding path program 1 times [2022-11-20 20:08:29,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:29,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182521622] [2022-11-20 20:08:29,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:29,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:29,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182521622] [2022-11-20 20:08:29,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182521622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:29,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:08:29,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:08:29,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340107899] [2022-11-20 20:08:29,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:29,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:08:29,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:08:29,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:08:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:29,479 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) [2022-11-20 20:08:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:29,614 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2022-11-20 20:08:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:08:29,618 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 [2022-11-20 20:08:29,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:29,638 INFO L225 Difference]: With dead ends: 95 [2022-11-20 20:08:29,639 INFO L226 Difference]: Without dead ends: 92 [2022-11-20 20:08:29,641 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 [2022-11-20 20:08:29,648 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 [2022-11-20 20:08:29,649 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] [2022-11-20 20:08:29,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-20 20:08:29,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-11-20 20:08:29,705 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) [2022-11-20 20:08:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-11-20 20:08:29,711 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 3 [2022-11-20 20:08:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:29,712 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-11-20 20:08:29,712 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) [2022-11-20 20:08:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-11-20 20:08:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 20:08:29,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:29,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 20:08:29,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:08:29,714 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)] === [2022-11-20 20:08:29,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:29,716 INFO L85 PathProgramCache]: Analyzing trace with hash 5879945, now seen corresponding path program 1 times [2022-11-20 20:08:29,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:29,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968800710] [2022-11-20 20:08:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:29,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:29,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968800710] [2022-11-20 20:08:29,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968800710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:29,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:08:29,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:08:29,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869847419] [2022-11-20 20:08:29,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:29,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:08:29,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:08:29,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:08:29,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:29,859 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) [2022-11-20 20:08:30,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:30,024 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2022-11-20 20:08:30,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:08:30,024 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 [2022-11-20 20:08:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:30,028 INFO L225 Difference]: With dead ends: 93 [2022-11-20 20:08:30,029 INFO L226 Difference]: Without dead ends: 93 [2022-11-20 20:08:30,033 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 [2022-11-20 20:08:30,035 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 [2022-11-20 20:08:30,035 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] [2022-11-20 20:08:30,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-20 20:08:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-11-20 20:08:30,041 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) [2022-11-20 20:08:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2022-11-20 20:08:30,046 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 4 [2022-11-20 20:08:30,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:30,046 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2022-11-20 20:08:30,052 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) [2022-11-20 20:08:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-11-20 20:08:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 20:08:30,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:30,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 20:08:30,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:08:30,054 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)] === [2022-11-20 20:08:30,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:30,056 INFO L85 PathProgramCache]: Analyzing trace with hash 5879946, now seen corresponding path program 1 times [2022-11-20 20:08:30,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:30,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484112377] [2022-11-20 20:08:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:30,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:30,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:30,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484112377] [2022-11-20 20:08:30,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484112377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:30,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:08:30,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:08:30,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046007480] [2022-11-20 20:08:30,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:30,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:08:30,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:08:30,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:08:30,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:30,196 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) [2022-11-20 20:08:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:30,301 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-11-20 20:08:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:08:30,302 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 [2022-11-20 20:08:30,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:30,305 INFO L225 Difference]: With dead ends: 61 [2022-11-20 20:08:30,305 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 20:08:30,308 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 [2022-11-20 20:08:30,315 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 [2022-11-20 20:08:30,317 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] [2022-11-20 20:08:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 20:08:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-20 20:08:30,325 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) [2022-11-20 20:08:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-11-20 20:08:30,326 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 4 [2022-11-20 20:08:30,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:30,327 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-11-20 20:08:30,327 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) [2022-11-20 20:08:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-11-20 20:08:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 20:08:30,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:30,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:08:30,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:08:30,328 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)] === [2022-11-20 20:08:30,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:30,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1562642246, now seen corresponding path program 1 times [2022-11-20 20:08:30,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:30,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422340475] [2022-11-20 20:08:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:30,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:30,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422340475] [2022-11-20 20:08:30,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422340475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:30,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:08:30,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:08:30,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384890002] [2022-11-20 20:08:30,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:30,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:08:30,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:08:30,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:08:30,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:30,507 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) [2022-11-20 20:08:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:30,562 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-20 20:08:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:08:30,563 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 [2022-11-20 20:08:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:30,564 INFO L225 Difference]: With dead ends: 69 [2022-11-20 20:08:30,564 INFO L226 Difference]: Without dead ends: 69 [2022-11-20 20:08:30,564 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 [2022-11-20 20:08:30,565 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:08:30,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:08:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-20 20:08:30,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-11-20 20:08:30,570 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) [2022-11-20 20:08:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-11-20 20:08:30,572 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 10 [2022-11-20 20:08:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:30,572 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-11-20 20:08:30,572 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) [2022-11-20 20:08:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-11-20 20:08:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 20:08:30,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:30,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:08:30,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:08:30,574 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)] === [2022-11-20 20:08:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1539195952, now seen corresponding path program 1 times [2022-11-20 20:08:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:30,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443206556] [2022-11-20 20:08:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:30,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:30,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443206556] [2022-11-20 20:08:30,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443206556] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:08:30,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559092209] [2022-11-20 20:08:30,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:30,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:08:30,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:08:30,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:08:30,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:08:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:30,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:08:30,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:08:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:30,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:08:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:30,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559092209] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:08:30,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [400737919] [2022-11-20 20:08:30,936 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-20 20:08:30,937 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:08:30,942 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:08:30,949 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:08:30,950 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:08:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,066 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 [2022-11-20 20:08:31,124 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 [2022-11-20 20:08:31,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,144 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 [2022-11-20 20:08:31,160 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 [2022-11-20 20:08:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,196 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 [2022-11-20 20:08:31,217 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 [2022-11-20 20:08:31,230 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 [2022-11-20 20:08:31,263 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 [2022-11-20 20:08:31,274 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 [2022-11-20 20:08:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,295 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 [2022-11-20 20:08:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,362 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 [2022-11-20 20:08:31,385 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 [2022-11-20 20:08:31,397 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 [2022-11-20 20:08:31,433 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 [2022-11-20 20:08:31,450 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 [2022-11-20 20:08:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,480 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 [2022-11-20 20:08:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,626 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 [2022-11-20 20:08:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,726 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 [2022-11-20 20:08:31,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,752 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 [2022-11-20 20:08:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,769 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 [2022-11-20 20:08:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:31,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:31,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,946 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 20:08:31,947 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 [2022-11-20 20:08:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:31,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:31,993 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 [2022-11-20 20:08:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,023 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:32,024 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 [2022-11-20 20:08:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,182 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:32,182 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 [2022-11-20 20:08:32,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,222 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:32,223 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 [2022-11-20 20:08:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,287 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-20 20:08:32,288 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 [2022-11-20 20:08:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,474 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:32,475 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 [2022-11-20 20:08:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,539 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:08:32,540 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 [2022-11-20 20:08:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,588 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:08:32,589 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 [2022-11-20 20:08:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,771 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:32,771 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 [2022-11-20 20:08:32,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,832 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:08:32,833 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 [2022-11-20 20:08:32,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:32,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:32,882 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:08:32,883 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 [2022-11-20 20:08:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,081 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 [2022-11-20 20:08:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,161 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 [2022-11-20 20:08:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,189 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 [2022-11-20 20:08:33,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,216 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 [2022-11-20 20:08:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,346 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 20:08:33,347 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 [2022-11-20 20:08:33,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,383 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:33,384 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 [2022-11-20 20:08:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,412 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:33,413 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 [2022-11-20 20:08:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,581 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-20 20:08:33,582 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 [2022-11-20 20:08:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,626 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:33,626 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 [2022-11-20 20:08:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,648 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:33,649 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 [2022-11-20 20:08:33,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,782 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:33,783 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 [2022-11-20 20:08:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,826 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:08:33,827 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 [2022-11-20 20:08:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:33,863 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:08:33,864 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 [2022-11-20 20:08:33,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:33,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,015 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:34,016 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 [2022-11-20 20:08:34,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,082 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:08:34,082 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 [2022-11-20 20:08:34,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:34,130 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:08:34,131 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 [2022-11-20 20:08:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:34,362 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 [2022-11-20 20:08:34,443 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:08:40,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [400737919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:40,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:08:40,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 14 [2022-11-20 20:08:40,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113837773] [2022-11-20 20:08:40,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:40,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 20:08:40,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:08:40,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 20:08:40,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:08:40,139 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) [2022-11-20 20:08:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:40,184 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-11-20 20:08:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 20:08:40,185 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 [2022-11-20 20:08:40,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:40,188 INFO L225 Difference]: With dead ends: 77 [2022-11-20 20:08:40,188 INFO L226 Difference]: Without dead ends: 77 [2022-11-20 20:08:40,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:08:40,190 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 [2022-11-20 20:08:40,191 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] [2022-11-20 20:08:40,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-20 20:08:40,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-20 20:08:40,206 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) [2022-11-20 20:08:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2022-11-20 20:08:40,212 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 12 [2022-11-20 20:08:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:40,213 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2022-11-20 20:08:40,213 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) [2022-11-20 20:08:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-11-20 20:08:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 20:08:40,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:40,215 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 20:08:40,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:08:40,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:08:40,427 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)] === [2022-11-20 20:08:40,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:40,427 INFO L85 PathProgramCache]: Analyzing trace with hash 135230789, now seen corresponding path program 1 times [2022-11-20 20:08:40,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:40,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802841082] [2022-11-20 20:08:40,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:40,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:40,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802841082] [2022-11-20 20:08:40,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802841082] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:08:40,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462478881] [2022-11-20 20:08:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:40,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:08:40,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:08:40,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:08:40,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:08:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:40,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 20:08:40,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:08:40,921 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 [2022-11-20 20:08:40,961 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 20:08:40,962 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 [2022-11-20 20:08:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:40,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:08:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:41,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462478881] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:08:41,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [381799157] [2022-11-20 20:08:41,147 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-20 20:08:41,148 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:08:41,148 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:08:41,148 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:08:41,148 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:08:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,183 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 [2022-11-20 20:08:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,247 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 [2022-11-20 20:08:41,259 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 [2022-11-20 20:08:41,272 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 [2022-11-20 20:08:41,299 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 [2022-11-20 20:08:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,311 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 [2022-11-20 20:08:41,325 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 [2022-11-20 20:08:41,345 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 [2022-11-20 20:08:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,367 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 [2022-11-20 20:08:41,383 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 [2022-11-20 20:08:41,408 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 [2022-11-20 20:08:41,418 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 [2022-11-20 20:08:41,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,440 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 [2022-11-20 20:08:41,477 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 [2022-11-20 20:08:41,513 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 [2022-11-20 20:08:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,544 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 [2022-11-20 20:08:41,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,666 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 [2022-11-20 20:08:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,741 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 [2022-11-20 20:08:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,761 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 [2022-11-20 20:08:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,784 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 [2022-11-20 20:08:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,921 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:41,922 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 [2022-11-20 20:08:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:41,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:41,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:41,982 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:08:41,982 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 [2022-11-20 20:08:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,011 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:42,012 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 [2022-11-20 20:08:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,168 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:08:42,169 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 [2022-11-20 20:08:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,204 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:42,205 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 [2022-11-20 20:08:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,229 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:42,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-20 20:08:42,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,373 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:42,374 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 [2022-11-20 20:08:42,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,436 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:42,437 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 [2022-11-20 20:08:42,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,501 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:42,502 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 [2022-11-20 20:08:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,650 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:42,651 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 [2022-11-20 20:08:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,735 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:42,735 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 [2022-11-20 20:08:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:42,778 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:42,779 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 [2022-11-20 20:08:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:42,940 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 [2022-11-20 20:08:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,000 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 [2022-11-20 20:08:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,016 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 [2022-11-20 20:08:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,034 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 [2022-11-20 20:08:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,143 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:08:43,144 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 [2022-11-20 20:08:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:43,171 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 [2022-11-20 20:08:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,190 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:43,191 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 317 treesize of output 304 [2022-11-20 20:08:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,311 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:08:43,312 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 [2022-11-20 20:08:43,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,340 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:43,340 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 [2022-11-20 20:08:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,359 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:43,360 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 [2022-11-20 20:08:43,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,478 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:43,478 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 [2022-11-20 20:08:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,528 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:43,529 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 [2022-11-20 20:08:43,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,565 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:43,566 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 [2022-11-20 20:08:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,708 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:43,709 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 [2022-11-20 20:08:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,752 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:43,752 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 [2022-11-20 20:08:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:43,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:43,788 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:43,789 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 [2022-11-20 20:08:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:44,087 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 [2022-11-20 20:08:44,148 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:08:49,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [381799157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:49,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:08:49,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-20 20:08:49,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166232157] [2022-11-20 20:08:49,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:49,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:08:49,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:08:49,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:08:49,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-11-20 20:08:49,097 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) [2022-11-20 20:08:49,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:49,128 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2022-11-20 20:08:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:08:49,128 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 [2022-11-20 20:08:49,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:49,129 INFO L225 Difference]: With dead ends: 78 [2022-11-20 20:08:49,129 INFO L226 Difference]: Without dead ends: 78 [2022-11-20 20:08:49,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-11-20 20:08:49,130 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 [2022-11-20 20:08:49,131 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] [2022-11-20 20:08:49,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-20 20:08:49,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-20 20:08:49,135 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) [2022-11-20 20:08:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2022-11-20 20:08:49,135 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 19 [2022-11-20 20:08:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:49,136 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2022-11-20 20:08:49,136 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) [2022-11-20 20:08:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-11-20 20:08:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 20:08:49,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:49,137 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 20:08:49,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 20:08:49,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 20:08:49,343 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)] === [2022-11-20 20:08:49,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:49,344 INFO L85 PathProgramCache]: Analyzing trace with hash 135230790, now seen corresponding path program 1 times [2022-11-20 20:08:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:08:49,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477182513] [2022-11-20 20:08:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:49,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:08:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:49,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:08:49,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477182513] [2022-11-20 20:08:49,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477182513] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:08:49,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519570498] [2022-11-20 20:08:49,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:49,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:08:49,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:08:49,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:08:49,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:08:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:49,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 20:08:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:08:49,835 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 [2022-11-20 20:08:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:49,898 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 [2022-11-20 20:08:49,905 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 20:08:49,906 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 [2022-11-20 20:08:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:49,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:08:52,261 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 [2022-11-20 20:08:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:08:52,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519570498] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:08:52,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1430683532] [2022-11-20 20:08:52,379 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-20 20:08:52,391 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:08:52,391 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:08:52,392 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:08:52,392 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:08:52,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,424 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 [2022-11-20 20:08:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,470 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 [2022-11-20 20:08:52,497 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 [2022-11-20 20:08:52,507 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 [2022-11-20 20:08:52,525 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 [2022-11-20 20:08:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,538 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 [2022-11-20 20:08:52,552 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 [2022-11-20 20:08:52,575 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 [2022-11-20 20:08:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,592 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 [2022-11-20 20:08:52,609 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 [2022-11-20 20:08:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,638 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 [2022-11-20 20:08:52,656 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 [2022-11-20 20:08:52,666 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 [2022-11-20 20:08:52,692 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 [2022-11-20 20:08:52,704 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 [2022-11-20 20:08:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,725 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 [2022-11-20 20:08:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,808 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 [2022-11-20 20:08:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,874 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 [2022-11-20 20:08:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,889 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 [2022-11-20 20:08:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:52,917 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 [2022-11-20 20:08:53,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,047 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:08:53,048 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 [2022-11-20 20:08:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,081 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:53,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 317 treesize of output 304 [2022-11-20 20:08:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,106 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:53,106 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 [2022-11-20 20:08:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,279 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:08:53,281 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 [2022-11-20 20:08:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,322 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:53,323 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 [2022-11-20 20:08:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,347 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:53,348 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 [2022-11-20 20:08:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,490 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:53,491 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 [2022-11-20 20:08:53,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,541 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:53,542 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 [2022-11-20 20:08:53,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,582 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:53,582 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 [2022-11-20 20:08:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,730 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:53,731 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 [2022-11-20 20:08:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,788 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:53,789 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 [2022-11-20 20:08:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:53,834 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:53,835 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 [2022-11-20 20:08:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:53,999 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 [2022-11-20 20:08:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,067 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 [2022-11-20 20:08:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,093 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 [2022-11-20 20:08:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,107 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 [2022-11-20 20:08:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,198 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:54,198 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 [2022-11-20 20:08:54,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,267 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:08:54,268 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 [2022-11-20 20:08:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,297 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:54,298 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 [2022-11-20 20:08:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,455 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:08:54,456 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 [2022-11-20 20:08:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,492 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:54,493 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 [2022-11-20 20:08:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,517 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:08:54,517 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 [2022-11-20 20:08:54,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,684 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:54,685 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 [2022-11-20 20:08:54,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,741 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:54,742 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 [2022-11-20 20:08:54,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,783 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:08:54,783 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 [2022-11-20 20:08:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,945 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:08:54,946 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 [2022-11-20 20:08:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:54,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:54,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:55,002 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:55,003 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 [2022-11-20 20:08:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:55,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:55,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:08:55,045 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:08:55,046 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 [2022-11-20 20:08:55,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:08:55,395 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 [2022-11-20 20:08:55,463 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:02,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1430683532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:09:02,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:02,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 5, 5] total 19 [2022-11-20 20:09:02,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550324927] [2022-11-20 20:09:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:09:02,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:09:02,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:09:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-11-20 20:09:02,453 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) [2022-11-20 20:09:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:02,497 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-11-20 20:09:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:09:02,498 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 [2022-11-20 20:09:02,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:02,498 INFO L225 Difference]: With dead ends: 78 [2022-11-20 20:09:02,499 INFO L226 Difference]: Without dead ends: 78 [2022-11-20 20:09:02,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-11-20 20:09:02,500 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 [2022-11-20 20:09:02,501 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] [2022-11-20 20:09:02,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-20 20:09:02,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-20 20:09:02,518 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) [2022-11-20 20:09:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2022-11-20 20:09:02,521 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 19 [2022-11-20 20:09:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:02,522 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2022-11-20 20:09:02,522 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) [2022-11-20 20:09:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-11-20 20:09:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:09:02,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:02,523 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 20:09:02,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:02,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 20:09:02,730 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)] === [2022-11-20 20:09:02,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash -18869613, now seen corresponding path program 1 times [2022-11-20 20:09:02,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:02,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909665288] [2022-11-20 20:09:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 20:09:02,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:02,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909665288] [2022-11-20 20:09:02,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909665288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:09:02,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:09:02,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:09:02,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650168685] [2022-11-20 20:09:02,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:09:02,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:09:02,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:02,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:09:02,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:09:02,918 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) [2022-11-20 20:09:03,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:03,119 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2022-11-20 20:09:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:09:03,121 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 [2022-11-20 20:09:03,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:03,122 INFO L225 Difference]: With dead ends: 94 [2022-11-20 20:09:03,122 INFO L226 Difference]: Without dead ends: 94 [2022-11-20 20:09:03,122 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 [2022-11-20 20:09:03,123 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:09:03,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:09:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-20 20:09:03,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2022-11-20 20:09:03,126 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) [2022-11-20 20:09:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-11-20 20:09:03,127 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2022-11-20 20:09:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:03,127 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-11-20 20:09:03,127 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) [2022-11-20 20:09:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-11-20 20:09:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:09:03,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:03,128 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 20:09:03,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 20:09:03,128 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)] === [2022-11-20 20:09:03,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash -18869612, now seen corresponding path program 1 times [2022-11-20 20:09:03,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:03,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149884642] [2022-11-20 20:09:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:03,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:09:03,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:03,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149884642] [2022-11-20 20:09:03,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149884642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:03,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465627257] [2022-11-20 20:09:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:03,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:03,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:03,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:03,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:09:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:03,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 20:09:03,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:09:03,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:09:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:09:03,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465627257] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:09:03,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1835441350] [2022-11-20 20:09:03,590 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-11-20 20:09:03,590 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:09:03,590 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:09:03,591 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:09:03,591 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:09:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,622 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 [2022-11-20 20:09:03,646 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 [2022-11-20 20:09:03,656 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 [2022-11-20 20:09:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,666 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 [2022-11-20 20:09:03,689 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 [2022-11-20 20:09:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,702 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 [2022-11-20 20:09:03,716 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 [2022-11-20 20:09:03,738 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 [2022-11-20 20:09:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,754 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 [2022-11-20 20:09:03,768 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 [2022-11-20 20:09:03,787 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 [2022-11-20 20:09:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,827 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 [2022-11-20 20:09:03,844 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 [2022-11-20 20:09:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,874 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 [2022-11-20 20:09:03,891 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 [2022-11-20 20:09:03,903 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 [2022-11-20 20:09:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:03,997 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 [2022-11-20 20:09:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,118 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:04,119 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 [2022-11-20 20:09:04,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,177 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 20:09:04,177 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 [2022-11-20 20:09:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,205 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:04,206 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 [2022-11-20 20:09:04,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,337 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 20:09:04,337 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 [2022-11-20 20:09:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,370 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:04,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 283 [2022-11-20 20:09:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,394 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:04,395 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 [2022-11-20 20:09:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,531 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-20 20:09:04,532 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 [2022-11-20 20:09:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,566 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:04,567 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 [2022-11-20 20:09:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,593 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:04,594 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 [2022-11-20 20:09:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,733 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:04,733 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 [2022-11-20 20:09:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,784 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:09:04,784 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 [2022-11-20 20:09:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:04,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,820 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:09:04,821 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 [2022-11-20 20:09:04,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:04,964 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:09:04,965 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 [2022-11-20 20:09:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,025 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:05,025 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 [2022-11-20 20:09:05,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,067 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:09:05,068 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 [2022-11-20 20:09:05,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:05,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,309 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:05,309 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 [2022-11-20 20:09:05,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,364 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:05,365 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 [2022-11-20 20:09:05,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:05,408 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:05,409 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 [2022-11-20 20:09:05,869 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:09:05,869 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 [2022-11-20 20:09:06,171 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 [2022-11-20 20:09:06,177 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 [2022-11-20 20:09:06,184 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 15 treesize of output 1 [2022-11-20 20:09:06,196 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 [2022-11-20 20:09:06,206 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 [2022-11-20 20:09:06,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,216 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 [2022-11-20 20:09:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,232 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 [2022-11-20 20:09:06,243 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 [2022-11-20 20:09:06,250 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 [2022-11-20 20:09:06,264 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 [2022-11-20 20:09:06,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,276 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 [2022-11-20 20:09:06,287 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 [2022-11-20 20:09:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,308 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 [2022-11-20 20:09:06,318 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 [2022-11-20 20:09:06,327 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 [2022-11-20 20:09:06,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:06,373 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:06,373 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 [2022-11-20 20:09:06,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:06,397 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:06,397 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 [2022-11-20 20:09:06,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,419 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 [2022-11-20 20:09:06,461 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 [2022-11-20 20:09:06,473 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 [2022-11-20 20:09:06,488 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 [2022-11-20 20:09:06,494 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 [2022-11-20 20:09:06,500 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 [2022-11-20 20:09:06,513 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 [2022-11-20 20:09:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,521 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 [2022-11-20 20:09:06,529 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 [2022-11-20 20:09:06,542 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 [2022-11-20 20:09:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,552 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 [2022-11-20 20:09:06,563 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 [2022-11-20 20:09:06,579 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 [2022-11-20 20:09:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,592 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 [2022-11-20 20:09:06,603 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 13 treesize of output 9 [2022-11-20 20:09:06,621 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 [2022-11-20 20:09:06,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,635 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 [2022-11-20 20:09:06,646 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 [2022-11-20 20:09:06,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:06,696 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:06,696 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 [2022-11-20 20:09:06,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:06,729 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:06,730 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 [2022-11-20 20:09:06,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:06,752 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 [2022-11-20 20:09:06,843 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 [2022-11-20 20:09:06,849 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 [2022-11-20 20:09:06,859 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:08,097 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 [2022-11-20 20:09:08,098 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:09:08,098 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:08,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 20:09:08,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126507909] [2022-11-20 20:09:08,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:09:08,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 20:09:08,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:08,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 20:09:08,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-20 20:09:08,100 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) [2022-11-20 20:09:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:08,182 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2022-11-20 20:09:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:09:08,190 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 [2022-11-20 20:09:08,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:08,191 INFO L225 Difference]: With dead ends: 128 [2022-11-20 20:09:08,191 INFO L226 Difference]: Without dead ends: 128 [2022-11-20 20:09:08,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-20 20:09:08,192 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 58 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-11-20 20:09:08,192 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] [2022-11-20 20:09:08,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-20 20:09:08,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2022-11-20 20:09:08,209 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) [2022-11-20 20:09:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2022-11-20 20:09:08,210 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 22 [2022-11-20 20:09:08,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:08,210 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-11-20 20:09:08,211 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) [2022-11-20 20:09:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-11-20 20:09:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 20:09:08,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:08,212 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-11-20 20:09:08,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:08,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:08,413 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)] === [2022-11-20 20:09:08,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:08,413 INFO L85 PathProgramCache]: Analyzing trace with hash -448164573, now seen corresponding path program 1 times [2022-11-20 20:09:08,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:08,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700039722] [2022-11-20 20:09:08,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:08,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:09:08,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:08,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700039722] [2022-11-20 20:09:08,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700039722] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:08,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804666906] [2022-11-20 20:09:08,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:08,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:08,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:08,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:08,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 20:09:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:08,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 20:09:08,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:09,003 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 [2022-11-20 20:09:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,098 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 [2022-11-20 20:09:09,106 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 20:09:09,106 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 [2022-11-20 20:09:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:09:09,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:09:09,367 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 [2022-11-20 20:09:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:09:09,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804666906] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:09:09,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [490348335] [2022-11-20 20:09:09,434 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-20 20:09:09,434 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:09:09,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:09:09,435 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:09:09,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:09:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,457 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 [2022-11-20 20:09:09,481 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 [2022-11-20 20:09:09,488 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 [2022-11-20 20:09:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,497 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 [2022-11-20 20:09:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,534 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 [2022-11-20 20:09:09,544 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 [2022-11-20 20:09:09,553 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 [2022-11-20 20:09:09,570 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 [2022-11-20 20:09:09,577 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 [2022-11-20 20:09:09,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,591 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 [2022-11-20 20:09:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,618 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 [2022-11-20 20:09:09,630 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 [2022-11-20 20:09:09,638 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 13 treesize of output 9 [2022-11-20 20:09:09,658 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 [2022-11-20 20:09:09,667 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 [2022-11-20 20:09:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,683 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 [2022-11-20 20:09:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,767 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 [2022-11-20 20:09:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,821 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 [2022-11-20 20:09:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,838 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 [2022-11-20 20:09:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,860 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 [2022-11-20 20:09:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:09,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,971 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:09:09,971 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 [2022-11-20 20:09:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:09,999 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:09,999 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 [2022-11-20 20:09:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,025 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:10,025 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 [2022-11-20 20:09:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,119 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:10,119 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 [2022-11-20 20:09:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,178 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:09:10,179 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 [2022-11-20 20:09:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,202 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:10,203 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 [2022-11-20 20:09:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,345 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:10,345 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 [2022-11-20 20:09:10,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,384 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:10,384 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 [2022-11-20 20:09:10,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,417 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:10,417 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 [2022-11-20 20:09:10,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,555 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:09:10,556 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 [2022-11-20 20:09:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,620 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:10,620 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 [2022-11-20 20:09:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,657 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:09:10,658 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 [2022-11-20 20:09:10,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:10,866 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:10,867 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 [2022-11-20 20:09:10,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,912 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:10,913 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 [2022-11-20 20:09:10,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:10,951 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:10,951 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 [2022-11-20 20:09:11,334 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:09:11,334 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 [2022-11-20 20:09:11,678 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-20 20:09:11,678 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 [2022-11-20 20:09:11,745 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-20 20:09:11,746 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 [2022-11-20 20:09:11,894 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-20 20:09:11,894 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 [2022-11-20 20:09:12,007 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 [2022-11-20 20:09:12,013 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 [2022-11-20 20:09:12,023 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 [2022-11-20 20:09:12,034 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 [2022-11-20 20:09:12,042 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 [2022-11-20 20:09:12,048 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 [2022-11-20 20:09:12,059 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 [2022-11-20 20:09:12,065 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 [2022-11-20 20:09:12,075 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 [2022-11-20 20:09:12,089 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 [2022-11-20 20:09:12,096 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 [2022-11-20 20:09:12,106 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 [2022-11-20 20:09:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:12,138 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 [2022-11-20 20:09:12,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:12,162 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:12,162 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 [2022-11-20 20:09:12,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:12,185 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:12,185 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 [2022-11-20 20:09:12,214 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 [2022-11-20 20:09:12,220 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 [2022-11-20 20:09:12,233 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 [2022-11-20 20:09:12,239 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 [2022-11-20 20:09:12,246 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 [2022-11-20 20:09:12,259 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 [2022-11-20 20:09:12,264 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 [2022-11-20 20:09:12,270 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 [2022-11-20 20:09:12,281 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 [2022-11-20 20:09:12,287 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 [2022-11-20 20:09:12,293 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 [2022-11-20 20:09:12,307 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 [2022-11-20 20:09:12,315 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 [2022-11-20 20:09:12,322 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 [2022-11-20 20:09:12,333 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 [2022-11-20 20:09:12,341 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 [2022-11-20 20:09:12,351 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 [2022-11-20 20:09:12,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:12,387 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:12,387 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 [2022-11-20 20:09:12,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:12,408 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:12,409 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 [2022-11-20 20:09:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:12,424 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 [2022-11-20 20:09:12,492 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 [2022-11-20 20:09:12,498 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 [2022-11-20 20:09:12,515 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:13,584 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 [2022-11-20 20:09:13,584 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:09:13,584 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:13,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2022-11-20 20:09:13,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809297119] [2022-11-20 20:09:13,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:09:13,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:09:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:13,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:09:13,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-11-20 20:09:13,587 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) [2022-11-20 20:09:13,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:13,842 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2022-11-20 20:09:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:09:13,843 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 [2022-11-20 20:09:13,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:13,843 INFO L225 Difference]: With dead ends: 143 [2022-11-20 20:09:13,844 INFO L226 Difference]: Without dead ends: 143 [2022-11-20 20:09:13,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2022-11-20 20:09:13,845 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 [2022-11-20 20:09:13,845 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] [2022-11-20 20:09:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-20 20:09:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2022-11-20 20:09:13,849 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) [2022-11-20 20:09:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2022-11-20 20:09:13,849 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 29 [2022-11-20 20:09:13,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:13,860 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-11-20 20:09:13,861 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) [2022-11-20 20:09:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-11-20 20:09:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 20:09:13,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:13,862 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-11-20 20:09:13,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:14,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:14,071 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)] === [2022-11-20 20:09:14,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1036004723, now seen corresponding path program 2 times [2022-11-20 20:09:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:14,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812178014] [2022-11-20 20:09:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:14,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:09:14,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:14,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812178014] [2022-11-20 20:09:14,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812178014] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:14,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115916431] [2022-11-20 20:09:14,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:09:14,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:14,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:14,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 20:09:14,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 20:09:14,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:09:14,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 20:09:14,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 20:09:14,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:09:14,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115916431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:09:14,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:09:14,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-11-20 20:09:14,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787260783] [2022-11-20 20:09:14,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:09:14,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:09:14,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:14,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:09:14,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:09:14,565 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) [2022-11-20 20:09:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:14,739 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2022-11-20 20:09:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:09:14,740 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 [2022-11-20 20:09:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:14,741 INFO L225 Difference]: With dead ends: 147 [2022-11-20 20:09:14,741 INFO L226 Difference]: Without dead ends: 147 [2022-11-20 20:09:14,741 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 [2022-11-20 20:09:14,742 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 [2022-11-20 20:09:14,742 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] [2022-11-20 20:09:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-20 20:09:14,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-11-20 20:09:14,745 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) [2022-11-20 20:09:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2022-11-20 20:09:14,748 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 49 [2022-11-20 20:09:14,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:14,748 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2022-11-20 20:09:14,749 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) [2022-11-20 20:09:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-11-20 20:09:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 20:09:14,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:14,754 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:09:14,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:14,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 20:09:14,961 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)] === [2022-11-20 20:09:14,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:14,961 INFO L85 PathProgramCache]: Analyzing trace with hash 18290846, now seen corresponding path program 1 times [2022-11-20 20:09:14,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:14,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130539260] [2022-11-20 20:09:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:09:15,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:15,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130539260] [2022-11-20 20:09:15,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130539260] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:15,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970881476] [2022-11-20 20:09:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:15,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:15,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 20:09:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:15,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:09:15,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:09:15,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:09:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:09:15,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970881476] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:09:15,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [363430716] [2022-11-20 20:09:15,523 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-20 20:09:15,523 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:09:15,524 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:09:15,524 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:09:15,524 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:09:15,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,549 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 [2022-11-20 20:09:15,571 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 [2022-11-20 20:09:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,581 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 [2022-11-20 20:09:15,599 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 [2022-11-20 20:09:15,618 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 [2022-11-20 20:09:15,626 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 [2022-11-20 20:09:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,640 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 [2022-11-20 20:09:15,661 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 [2022-11-20 20:09:15,670 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 [2022-11-20 20:09:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,686 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 [2022-11-20 20:09:15,712 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 [2022-11-20 20:09:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,738 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 [2022-11-20 20:09:15,755 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 [2022-11-20 20:09:15,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,785 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 [2022-11-20 20:09:15,806 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 [2022-11-20 20:09:15,820 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 [2022-11-20 20:09:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:15,916 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 [2022-11-20 20:09:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,031 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:16,032 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 [2022-11-20 20:09:16,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,106 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 20:09:16,106 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 [2022-11-20 20:09:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,134 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:16,134 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 [2022-11-20 20:09:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,268 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:16,269 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 [2022-11-20 20:09:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,332 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:09:16,333 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 [2022-11-20 20:09:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,366 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:16,367 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 [2022-11-20 20:09:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,541 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:09:16,542 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 [2022-11-20 20:09:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,580 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:16,581 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 [2022-11-20 20:09:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,607 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:16,608 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 [2022-11-20 20:09:16,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,754 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:16,754 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 [2022-11-20 20:09:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,816 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:16,817 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 [2022-11-20 20:09:16,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,861 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:16,862 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 [2022-11-20 20:09:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:16,998 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:16,999 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 [2022-11-20 20:09:17,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,045 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:09:17,046 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 [2022-11-20 20:09:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,080 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:09:17,081 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 [2022-11-20 20:09:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,269 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:17,270 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 [2022-11-20 20:09:17,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,320 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:17,321 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 [2022-11-20 20:09:17,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:17,354 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:17,355 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 [2022-11-20 20:09:17,703 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:09:17,703 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 [2022-11-20 20:09:17,916 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 [2022-11-20 20:09:17,920 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 [2022-11-20 20:09:17,926 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 [2022-11-20 20:09:17,934 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 [2022-11-20 20:09:17,939 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 [2022-11-20 20:09:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,951 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 [2022-11-20 20:09:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,963 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 [2022-11-20 20:09:17,971 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 [2022-11-20 20:09:17,976 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 [2022-11-20 20:09:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:17,989 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 [2022-11-20 20:09:18,001 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 [2022-11-20 20:09:18,007 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 [2022-11-20 20:09:18,018 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 [2022-11-20 20:09:18,038 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 [2022-11-20 20:09:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,053 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 [2022-11-20 20:09:18,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,088 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 [2022-11-20 20:09:18,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:18,110 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:18,110 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 [2022-11-20 20:09:18,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:18,134 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:18,134 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 [2022-11-20 20:09:18,162 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 [2022-11-20 20:09:18,167 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 [2022-11-20 20:09:18,179 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 [2022-11-20 20:09:18,185 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 [2022-11-20 20:09:18,190 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 [2022-11-20 20:09:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,201 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 [2022-11-20 20:09:18,208 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 [2022-11-20 20:09:18,214 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 [2022-11-20 20:09:18,226 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 [2022-11-20 20:09:18,230 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 [2022-11-20 20:09:18,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,239 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 [2022-11-20 20:09:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,257 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 [2022-11-20 20:09:18,266 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 [2022-11-20 20:09:18,273 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 [2022-11-20 20:09:18,287 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 [2022-11-20 20:09:18,295 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 [2022-11-20 20:09:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,308 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 [2022-11-20 20:09:18,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:18,349 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 [2022-11-20 20:09:18,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:18,373 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:18,373 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 [2022-11-20 20:09:18,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:18,399 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:18,400 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 [2022-11-20 20:09:18,491 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 [2022-11-20 20:09:18,498 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 [2022-11-20 20:09:18,516 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:20,485 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 [2022-11-20 20:09:20,485 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:09:20,485 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:20,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-20 20:09:20,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214907630] [2022-11-20 20:09:20,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:09:20,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:09:20,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:20,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:09:20,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-20 20:09:20,487 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) [2022-11-20 20:09:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:20,554 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-11-20 20:09:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:09:20,554 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 [2022-11-20 20:09:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:20,556 INFO L225 Difference]: With dead ends: 110 [2022-11-20 20:09:20,556 INFO L226 Difference]: Without dead ends: 110 [2022-11-20 20:09:20,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-20 20:09:20,558 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 96 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-11-20 20:09:20,558 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] [2022-11-20 20:09:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-20 20:09:20,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-20 20:09:20,562 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) [2022-11-20 20:09:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-11-20 20:09:20,563 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 52 [2022-11-20 20:09:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:20,563 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-11-20 20:09:20,564 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) [2022-11-20 20:09:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-11-20 20:09:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 20:09:20,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:20,565 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:09:20,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:20,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 20:09:20,770 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)] === [2022-11-20 20:09:20,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:20,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1013420238, now seen corresponding path program 2 times [2022-11-20 20:09:20,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:20,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866665465] [2022-11-20 20:09:20,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:20,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-20 20:09:20,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:20,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866665465] [2022-11-20 20:09:20,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866665465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:09:20,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:09:20,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:09:20,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015078585] [2022-11-20 20:09:20,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:09:20,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:09:20,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:20,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:09:20,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:09:20,961 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) [2022-11-20 20:09:21,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:21,079 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-11-20 20:09:21,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:09:21,080 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 [2022-11-20 20:09:21,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:21,081 INFO L225 Difference]: With dead ends: 118 [2022-11-20 20:09:21,081 INFO L226 Difference]: Without dead ends: 118 [2022-11-20 20:09:21,081 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 [2022-11-20 20:09:21,082 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 [2022-11-20 20:09:21,082 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] [2022-11-20 20:09:21,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-20 20:09:21,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-11-20 20:09:21,085 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) [2022-11-20 20:09:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-11-20 20:09:21,085 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 55 [2022-11-20 20:09:21,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:21,085 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-11-20 20:09:21,086 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) [2022-11-20 20:09:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-11-20 20:09:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 20:09:21,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:21,087 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] [2022-11-20 20:09:21,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 20:09:21,087 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)] === [2022-11-20 20:09:21,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:21,087 INFO L85 PathProgramCache]: Analyzing trace with hash -126966776, now seen corresponding path program 1 times [2022-11-20 20:09:21,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:21,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575297329] [2022-11-20 20:09:21,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:21,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 20:09:22,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575297329] [2022-11-20 20:09:22,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575297329] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523714527] [2022-11-20 20:09:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:22,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:22,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:22,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 20:09:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:22,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-20 20:09:22,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:22,531 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 [2022-11-20 20:09:22,568 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 20:09:22,568 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 [2022-11-20 20:09:22,607 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 [2022-11-20 20:09:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,647 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 [2022-11-20 20:09:22,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,697 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 [2022-11-20 20:09:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,718 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 [2022-11-20 20:09:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:22,740 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 [2022-11-20 20:09:22,769 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 [2022-11-20 20:09:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 20:09:22,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:09:22,925 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 [2022-11-20 20:09:22,944 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 [2022-11-20 20:09:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-11-20 20:09:23,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523714527] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:09:23,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [659715490] [2022-11-20 20:09:23,045 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-20 20:09:23,045 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:09:23,045 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:09:23,046 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:09:23,046 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:09:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,075 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 [2022-11-20 20:09:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,106 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 [2022-11-20 20:09:23,118 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 [2022-11-20 20:09:23,128 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 [2022-11-20 20:09:23,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,155 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 [2022-11-20 20:09:23,168 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 [2022-11-20 20:09:23,179 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 [2022-11-20 20:09:23,195 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 [2022-11-20 20:09:23,205 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 [2022-11-20 20:09:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,220 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 [2022-11-20 20:09:23,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,250 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 [2022-11-20 20:09:23,267 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 [2022-11-20 20:09:23,282 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 [2022-11-20 20:09:23,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,324 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 [2022-11-20 20:09:23,342 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 [2022-11-20 20:09:23,355 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 [2022-11-20 20:09:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,439 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 [2022-11-20 20:09:23,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,556 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 20:09:23,556 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 [2022-11-20 20:09:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,582 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:23,583 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 [2022-11-20 20:09:23,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,601 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:23,601 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 [2022-11-20 20:09:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,713 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 20:09:23,713 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 [2022-11-20 20:09:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,739 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:23,739 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 [2022-11-20 20:09:23,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:23,762 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 [2022-11-20 20:09:23,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,859 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:23,860 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 [2022-11-20 20:09:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:23,914 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-20 20:09:23,914 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 [2022-11-20 20:09:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:23,938 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:23,938 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 [2022-11-20 20:09:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,054 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:24,054 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 [2022-11-20 20:09:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,098 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:09:24,099 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 [2022-11-20 20:09:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,142 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:09:24,143 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 [2022-11-20 20:09:24,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,313 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:09:24,313 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 [2022-11-20 20:09:24,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,380 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:24,381 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 [2022-11-20 20:09:24,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,425 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:09:24,426 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 [2022-11-20 20:09:24,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:24,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,654 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:24,654 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 [2022-11-20 20:09:24,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,705 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:24,706 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 [2022-11-20 20:09:24,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:24,746 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:24,747 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 [2022-11-20 20:09:25,244 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:09:25,245 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 [2022-11-20 20:09:25,590 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 [2022-11-20 20:09:25,596 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 [2022-11-20 20:09:25,602 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 [2022-11-20 20:09:25,612 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 [2022-11-20 20:09:25,618 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 [2022-11-20 20:09:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,626 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 [2022-11-20 20:09:25,639 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 [2022-11-20 20:09:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,652 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 [2022-11-20 20:09:25,661 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 [2022-11-20 20:09:25,673 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 [2022-11-20 20:09:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,684 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 [2022-11-20 20:09:25,694 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 [2022-11-20 20:09:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,713 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 [2022-11-20 20:09:25,724 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 [2022-11-20 20:09:25,732 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 [2022-11-20 20:09:25,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:25,777 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:25,778 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 38 [2022-11-20 20:09:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,798 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 [2022-11-20 20:09:25,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:25,823 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:25,824 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 [2022-11-20 20:09:25,857 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 [2022-11-20 20:09:25,864 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 [2022-11-20 20:09:25,881 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 11 treesize of output 7 [2022-11-20 20:09:25,888 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 [2022-11-20 20:09:25,895 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 15 treesize of output 1 [2022-11-20 20:09:25,906 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 [2022-11-20 20:09:25,913 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 [2022-11-20 20:09:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,923 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 [2022-11-20 20:09:25,936 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 [2022-11-20 20:09:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,947 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 [2022-11-20 20:09:25,957 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 [2022-11-20 20:09:25,971 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 [2022-11-20 20:09:25,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:25,983 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 [2022-11-20 20:09:25,993 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 [2022-11-20 20:09:26,011 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 [2022-11-20 20:09:26,019 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 [2022-11-20 20:09:26,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,033 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 [2022-11-20 20:09:26,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:26,084 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:26,085 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 [2022-11-20 20:09:26,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:26,114 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:26,115 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 [2022-11-20 20:09:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:26,137 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 [2022-11-20 20:09:26,296 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 [2022-11-20 20:09:26,303 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 [2022-11-20 20:09:26,314 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:28,990 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 [2022-11-20 20:09:28,990 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:09:28,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:28,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 20 [2022-11-20 20:09:28,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760819193] [2022-11-20 20:09:28,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:09:28,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 20:09:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:28,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 20:09:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=945, Unknown=2, NotChecked=130, Total=1260 [2022-11-20 20:09:28,993 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) [2022-11-20 20:09:29,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:29,765 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2022-11-20 20:09:29,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 20:09:29,765 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 [2022-11-20 20:09:29,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:29,766 INFO L225 Difference]: With dead ends: 137 [2022-11-20 20:09:29,766 INFO L226 Difference]: Without dead ends: 137 [2022-11-20 20:09:29,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 155 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=367, Invalid=1801, Unknown=2, NotChecked=182, Total=2352 [2022-11-20 20:09:29,768 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 688 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-11-20 20:09:29,768 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] [2022-11-20 20:09:29,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-20 20:09:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-20 20:09:29,770 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) [2022-11-20 20:09:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-11-20 20:09:29,771 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 59 [2022-11-20 20:09:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:29,771 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-11-20 20:09:29,771 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) [2022-11-20 20:09:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-11-20 20:09:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 20:09:29,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:29,772 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] [2022-11-20 20:09:29,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 20:09:29,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 20:09:29,973 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)] === [2022-11-20 20:09:29,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash 499271650, now seen corresponding path program 1 times [2022-11-20 20:09:29,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:29,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638586281] [2022-11-20 20:09:29,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:29,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 20:09:31,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:31,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638586281] [2022-11-20 20:09:31,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638586281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:31,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951338959] [2022-11-20 20:09:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:31,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:31,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:31,480 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:31,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 20:09:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:31,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-20 20:09:31,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:31,905 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 [2022-11-20 20:09:31,933 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 20:09:31,934 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 [2022-11-20 20:09:31,951 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 [2022-11-20 20:09:31,962 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 [2022-11-20 20:09:31,974 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 [2022-11-20 20:09:31,986 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 [2022-11-20 20:09:32,003 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 [2022-11-20 20:09:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 20:09:32,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:09:32,120 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2384 (Array Int Int))) (= (select (select (store |c_#memory_int| |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 [2022-11-20 20:09:32,132 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 [2022-11-20 20:09:32,264 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:32,264 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 [2022-11-20 20:09:32,268 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 [2022-11-20 20:09:32,274 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 [2022-11-20 20:09:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-11-20 20:09:32,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951338959] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:09:32,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2099854630] [2022-11-20 20:09:32,362 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-20 20:09:32,362 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:09:32,362 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:09:32,362 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:09:32,363 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:09:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,397 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 [2022-11-20 20:09:32,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,425 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 [2022-11-20 20:09:32,435 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 [2022-11-20 20:09:32,445 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 [2022-11-20 20:09:32,461 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 [2022-11-20 20:09:32,469 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 [2022-11-20 20:09:32,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,483 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 [2022-11-20 20:09:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,507 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 [2022-11-20 20:09:32,520 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 [2022-11-20 20:09:32,529 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 [2022-11-20 20:09:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,551 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 [2022-11-20 20:09:32,563 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 [2022-11-20 20:09:32,572 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 [2022-11-20 20:09:32,597 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 [2022-11-20 20:09:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,614 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 [2022-11-20 20:09:32,629 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 [2022-11-20 20:09:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,716 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 [2022-11-20 20:09:32,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,863 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 20:09:32,863 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 [2022-11-20 20:09:32,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,899 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:32,900 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 [2022-11-20 20:09:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:32,923 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:32,924 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 [2022-11-20 20:09:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,047 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:33,047 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 [2022-11-20 20:09:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,074 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:33,075 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 [2022-11-20 20:09:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,126 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 20:09:33,127 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 [2022-11-20 20:09:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,263 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-20 20:09:33,264 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 [2022-11-20 20:09:33,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,304 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:33,305 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 [2022-11-20 20:09:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,326 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:33,327 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 [2022-11-20 20:09:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,431 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:33,432 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 [2022-11-20 20:09:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,480 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:09:33,481 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 [2022-11-20 20:09:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,519 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 20:09:33,520 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 [2022-11-20 20:09:33,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,668 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:09:33,669 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 [2022-11-20 20:09:33,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,725 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:33,725 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 [2022-11-20 20:09:33,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:33,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,768 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-20 20:09:33,769 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 [2022-11-20 20:09:33,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:33,984 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:33,985 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 [2022-11-20 20:09:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:34,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:34,048 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:34,049 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 [2022-11-20 20:09:34,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:34,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:34,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:34,094 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:34,095 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 [2022-11-20 20:09:34,646 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:09:34,646 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 [2022-11-20 20:09:34,944 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 [2022-11-20 20:09:34,949 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 [2022-11-20 20:09:34,956 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 [2022-11-20 20:09:34,966 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 [2022-11-20 20:09:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:34,973 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 [2022-11-20 20:09:34,981 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 [2022-11-20 20:09:34,992 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 [2022-11-20 20:09:34,997 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 [2022-11-20 20:09:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,007 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 [2022-11-20 20:09:35,020 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 [2022-11-20 20:09:35,026 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 [2022-11-20 20:09:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,039 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 [2022-11-20 20:09:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,060 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 [2022-11-20 20:09:35,070 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 [2022-11-20 20:09:35,078 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 [2022-11-20 20:09:35,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:35,123 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:35,123 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 [2022-11-20 20:09:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,143 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 [2022-11-20 20:09:35,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:35,171 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:35,172 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 [2022-11-20 20:09:35,205 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 [2022-11-20 20:09:35,211 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 [2022-11-20 20:09:35,230 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 [2022-11-20 20:09:35,237 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 [2022-11-20 20:09:35,244 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 [2022-11-20 20:09:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,258 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 [2022-11-20 20:09:35,266 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 [2022-11-20 20:09:35,273 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 [2022-11-20 20:09:35,287 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 [2022-11-20 20:09:35,293 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 [2022-11-20 20:09:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,303 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 [2022-11-20 20:09:35,322 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 [2022-11-20 20:09:35,328 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 [2022-11-20 20:09:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,343 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 [2022-11-20 20:09:35,360 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 [2022-11-20 20:09:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,375 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 [2022-11-20 20:09:35,387 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 [2022-11-20 20:09:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:35,427 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 [2022-11-20 20:09:35,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:35,455 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:35,456 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 [2022-11-20 20:09:35,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:35,481 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:35,482 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 [2022-11-20 20:09:35,711 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 [2022-11-20 20:09:35,717 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 [2022-11-20 20:09:35,729 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:39,569 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 [2022-11-20 20:09:39,569 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:09:39,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:39,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 21 [2022-11-20 20:09:39,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224328552] [2022-11-20 20:09:39,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:09:39,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 20:09:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 20:09:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1110, Unknown=5, NotChecked=142, Total=1482 [2022-11-20 20:09:39,572 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) [2022-11-20 20:09:40,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:40,410 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2022-11-20 20:09:40,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 20:09:40,411 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 [2022-11-20 20:09:40,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:40,412 INFO L225 Difference]: With dead ends: 137 [2022-11-20 20:09:40,412 INFO L226 Difference]: Without dead ends: 137 [2022-11-20 20:09:40,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 157 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=403, Invalid=1856, Unknown=5, NotChecked=186, Total=2450 [2022-11-20 20:09:40,414 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 501 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 156 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:09:40,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 264 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 371 Invalid, 0 Unknown, 156 Unchecked, 0.4s Time] [2022-11-20 20:09:40,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-20 20:09:40,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-20 20:09:40,418 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) [2022-11-20 20:09:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2022-11-20 20:09:40,419 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 60 [2022-11-20 20:09:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:40,419 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2022-11-20 20:09:40,420 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) [2022-11-20 20:09:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-11-20 20:09:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 20:09:40,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:40,421 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] [2022-11-20 20:09:40,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:40,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 20:09:40,629 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)] === [2022-11-20 20:09:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2026538214, now seen corresponding path program 1 times [2022-11-20 20:09:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:40,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015544477] [2022-11-20 20:09:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 20:09:41,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:09:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015544477] [2022-11-20 20:09:41,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015544477] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:09:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470470302] [2022-11-20 20:09:41,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:41,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:09:41,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:09:41,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:09:41,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 20:09:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:09:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-20 20:09:42,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:09:42,048 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 [2022-11-20 20:09:42,130 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 20:09:42,131 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 [2022-11-20 20:09:42,185 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 [2022-11-20 20:09:42,225 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 [2022-11-20 20:09:42,256 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 20:09:42,256 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 [2022-11-20 20:09:42,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:42,362 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:42,363 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 [2022-11-20 20:09:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 20:09:42,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:09:42,718 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:42,719 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2022-11-20 20:09:42,723 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 [2022-11-20 20:09:42,730 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 [2022-11-20 20:09:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 20:09:42,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470470302] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:09:42,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [457404194] [2022-11-20 20:09:42,983 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-20 20:09:42,983 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:09:42,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:09:42,984 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:09:42,984 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:09:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,016 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 [2022-11-20 20:09:43,041 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 [2022-11-20 20:09:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,052 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 [2022-11-20 20:09:43,063 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 [2022-11-20 20:09:43,081 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 [2022-11-20 20:09:43,090 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 [2022-11-20 20:09:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,105 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 [2022-11-20 20:09:43,127 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 [2022-11-20 20:09:43,135 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 [2022-11-20 20:09:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,150 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 [2022-11-20 20:09:43,175 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 [2022-11-20 20:09:43,185 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 13 treesize of output 9 [2022-11-20 20:09:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,203 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 [2022-11-20 20:09:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,239 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 [2022-11-20 20:09:43,256 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 [2022-11-20 20:09:43,269 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 [2022-11-20 20:09:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,363 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 [2022-11-20 20:09:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,475 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:43,476 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 [2022-11-20 20:09:43,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,542 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 20:09:43,542 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 [2022-11-20 20:09:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,570 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:43,571 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 [2022-11-20 20:09:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:43,671 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 310 treesize of output 297 [2022-11-20 20:09:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,728 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:09:43,728 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 [2022-11-20 20:09:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:43,762 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 [2022-11-20 20:09:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,894 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-20 20:09:43,895 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 [2022-11-20 20:09:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,926 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:43,927 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 [2022-11-20 20:09:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:43,950 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:09:43,950 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 [2022-11-20 20:09:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,089 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:44,090 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 [2022-11-20 20:09:44,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,141 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:44,141 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 [2022-11-20 20:09:44,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,179 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:44,180 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 [2022-11-20 20:09:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,331 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:09:44,332 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 [2022-11-20 20:09:44,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,385 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:44,385 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 [2022-11-20 20:09:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,424 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-20 20:09:44,425 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 [2022-11-20 20:09:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:44,629 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:09:44,630 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 [2022-11-20 20:09:44,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,687 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:44,688 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 [2022-11-20 20:09:44,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:44,735 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 20:09:44,736 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 [2022-11-20 20:09:45,173 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:09:45,174 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 [2022-11-20 20:09:45,515 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 [2022-11-20 20:09:45,521 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 [2022-11-20 20:09:45,527 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 [2022-11-20 20:09:45,538 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 [2022-11-20 20:09:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,545 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 [2022-11-20 20:09:45,553 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 [2022-11-20 20:09:45,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,568 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 [2022-11-20 20:09:45,577 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 [2022-11-20 20:09:45,583 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 [2022-11-20 20:09:45,595 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 [2022-11-20 20:09:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,606 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 [2022-11-20 20:09:45,620 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 [2022-11-20 20:09:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,638 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 [2022-11-20 20:09:45,648 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 [2022-11-20 20:09:45,659 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 [2022-11-20 20:09:45,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:45,703 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:45,703 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 [2022-11-20 20:09:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,723 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 [2022-11-20 20:09:45,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:45,750 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:45,751 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 [2022-11-20 20:09:45,781 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 [2022-11-20 20:09:45,788 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 [2022-11-20 20:09:45,802 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 [2022-11-20 20:09:45,808 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 [2022-11-20 20:09:45,815 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 [2022-11-20 20:09:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,828 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 [2022-11-20 20:09:45,836 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 [2022-11-20 20:09:45,842 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 [2022-11-20 20:09:45,855 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 [2022-11-20 20:09:45,861 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 19 treesize of output 1 [2022-11-20 20:09:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,872 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 [2022-11-20 20:09:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,892 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 [2022-11-20 20:09:45,903 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 [2022-11-20 20:09:45,910 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 [2022-11-20 20:09:45,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:45,930 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 [2022-11-20 20:09:45,940 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 [2022-11-20 20:09:45,949 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 [2022-11-20 20:09:45,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:45,995 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:09:45,995 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 [2022-11-20 20:09:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:46,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:09:46,022 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 [2022-11-20 20:09:46,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:09:46,049 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-20 20:09:46,049 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 [2022-11-20 20:09:46,219 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 [2022-11-20 20:09:46,226 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 [2022-11-20 20:09:46,236 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:09:50,281 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 [2022-11-20 20:09:50,282 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:09:50,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:09:50,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 28 [2022-11-20 20:09:50,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83050378] [2022-11-20 20:09:50,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:09:50,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 20:09:50,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:09:50,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 20:09:50,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1834, Unknown=4, NotChecked=0, Total=2070 [2022-11-20 20:09:50,284 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) [2022-11-20 20:09:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:09:51,296 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2022-11-20 20:09:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 20:09:51,297 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 [2022-11-20 20:09:51,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:09:51,298 INFO L225 Difference]: With dead ends: 124 [2022-11-20 20:09:51,298 INFO L226 Difference]: Without dead ends: 124 [2022-11-20 20:09:51,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 153 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=470, Invalid=3186, Unknown=4, NotChecked=0, Total=3660 [2022-11-20 20:09:51,299 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, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:09:51,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 440 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 578 Invalid, 0 Unknown, 114 Unchecked, 0.5s Time] [2022-11-20 20:09:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-20 20:09:51,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2022-11-20 20:09:51,302 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) [2022-11-20 20:09:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2022-11-20 20:09:51,305 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 61 [2022-11-20 20:09:51,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:09:51,305 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2022-11-20 20:09:51,306 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) [2022-11-20 20:09:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-11-20 20:09:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 20:09:51,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:09:51,309 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] [2022-11-20 20:09:51,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 20:09:51,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 20:09:51,517 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)] === [2022-11-20 20:09:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:09:51,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1702314332, now seen corresponding path program 1 times [2022-11-20 20:09:51,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:09:51,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744292738] [2022-11-20 20:09:51,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:09:51,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:09:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:09:51,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:09:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:09:51,703 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:09:51,703 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:09:51,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK (34 of 35 remaining) [2022-11-20 20:09:51,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 35 remaining) [2022-11-20 20:09:51,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 35 remaining) [2022-11-20 20:09:51,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 35 remaining) [2022-11-20 20:09:51,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 35 remaining) [2022-11-20 20:09:51,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 35 remaining) [2022-11-20 20:09:51,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 35 remaining) [2022-11-20 20:09:51,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 35 remaining) [2022-11-20 20:09:51,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 35 remaining) [2022-11-20 20:09:51,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 35 remaining) [2022-11-20 20:09:51,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 35 remaining) [2022-11-20 20:09:51,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 35 remaining) [2022-11-20 20:09:51,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 35 remaining) [2022-11-20 20:09:51,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 35 remaining) [2022-11-20 20:09:51,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 35 remaining) [2022-11-20 20:09:51,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 35 remaining) [2022-11-20 20:09:51,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 35 remaining) [2022-11-20 20:09:51,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 35 remaining) [2022-11-20 20:09:51,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 35 remaining) [2022-11-20 20:09:51,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 35 remaining) [2022-11-20 20:09:51,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 35 remaining) [2022-11-20 20:09:51,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 35 remaining) [2022-11-20 20:09:51,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 35 remaining) [2022-11-20 20:09:51,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 35 remaining) [2022-11-20 20:09:51,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 35 remaining) [2022-11-20 20:09:51,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 35 remaining) [2022-11-20 20:09:51,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 35 remaining) [2022-11-20 20:09:51,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 35 remaining) [2022-11-20 20:09:51,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 35 remaining) [2022-11-20 20:09:51,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 35 remaining) [2022-11-20 20:09:51,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 35 remaining) [2022-11-20 20:09:51,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE (3 of 35 remaining) [2022-11-20 20:09:51,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE (2 of 35 remaining) [2022-11-20 20:09:51,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE (1 of 35 remaining) [2022-11-20 20:09:51,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (0 of 35 remaining) [2022-11-20 20:09:51,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 20:09:51,719 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:09:51,724 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:09:51,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:09:51 BoogieIcfgContainer [2022-11-20 20:09:51,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:09:51,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:09:51,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:09:51,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:09:51,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:08:29" (3/4) ... [2022-11-20 20:09:51,803 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 20:09:51,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:09:51,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:09:51,883 INFO L158 Benchmark]: Toolchain (without parser) took 84157.76ms. Allocated memory was 161.5MB in the beginning and 589.3MB in the end (delta: 427.8MB). Free memory was 115.3MB in the beginning and 225.6MB in the end (delta: -110.3MB). Peak memory consumption was 319.9MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,883 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:09:51,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.86ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 97.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.46ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 96.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,889 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 94.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,889 INFO L158 Benchmark]: RCFGBuilder took 696.55ms. Allocated memory is still 161.5MB. Free memory was 94.4MB in the beginning and 72.0MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,889 INFO L158 Benchmark]: TraceAbstraction took 82791.75ms. Allocated memory was 161.5MB in the beginning and 589.3MB in the end (delta: 427.8MB). Free memory was 71.3MB in the beginning and 229.8MB in the end (delta: -158.5MB). Peak memory consumption was 271.7MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,890 INFO L158 Benchmark]: Witness Printer took 82.28ms. Allocated memory is still 589.3MB. Free memory was 229.8MB in the beginning and 225.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:09:51,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.86ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 97.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.46ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 96.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 161.5MB. Free memory was 96.4MB in the beginning and 94.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.55ms. Allocated memory is still 161.5MB. Free memory was 94.4MB in the beginning and 72.0MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 82791.75ms. Allocated memory was 161.5MB in the beginning and 589.3MB in the end (delta: 427.8MB). Free memory was 71.3MB in the beginning and 229.8MB in the end (delta: -158.5MB). Peak memory consumption was 271.7MB. Max. memory is 16.1GB. * Witness Printer took 82.28ms. Allocated memory is still 589.3MB. Free memory was 229.8MB in the beginning and 225.6MB 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: 82.6s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3092 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3092 mSDsluCounter, 2022 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1040 IncrementalHoareTripleChecker+Unchecked, 1411 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1874 IncrementalHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 611 mSDtfsCounter, 1874 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 895 SyntacticMatches, 22 SemanticMatches, 276 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2884 ImplicationChecksByTransitivity, 37.6s 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: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 10.9s 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: 9.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 39, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 95, TOOLS_POST_TIME: 9.1s, 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: 9.0s, 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: 0.2s, 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: 5.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.5s, 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! [2022-11-20 20:09:51,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a929ec9-c376-40dc-a613-c93d37416ed4/bin/utaipan-6cKwYrpEi9/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)