./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/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_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:22:53,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:22:53,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:22:53,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:22:53,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:22:53,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:22:53,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:22:53,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:22:53,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:22:53,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:22:53,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:22:53,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:22:53,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:22:53,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:22:53,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:22:53,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:22:53,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:22:53,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:22:53,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:22:53,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:22:53,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:22:53,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:22:53,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:22:53,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:22:53,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:22:53,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:22:53,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:22:53,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:22:53,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:22:53,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:22:53,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:22:53,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:22:53,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:22:53,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:22:53,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:22:53,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:22:53,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:22:53,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:22:53,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:22:53,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:22:53,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:22:53,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:22:53,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:22:53,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:22:53,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:22:53,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:22:53,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:22:53,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:22:53,286 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:22:53,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:22:53,287 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:22:53,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:22:53,289 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:22:53,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:22:53,289 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:22:53,290 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:22:53,290 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:22:53,290 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:22:53,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:22:53,291 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:22:53,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:22:53,292 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:22:53,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:22:53,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:22:53,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:22:53,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:22:53,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:22:53,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:22:53,295 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:22:53,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:22:53,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:22:53,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:22:53,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:22:53,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:22:53,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:22:53,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:22:53,298 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:22:53,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:22:53,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:22:53,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:22:53,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:22:53,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:22:53,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:22:53,300 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_5576c79f-f586-46dd-af0c-19f09abd7feb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-11-20 20:22:53,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:22:53,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:22:53,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:22:53,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:22:53,713 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:22:53,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-20 20:22:56,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:22:57,178 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:22:57,179 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-20 20:22:57,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/data/383696791/321dd803fd2645ed9a8cec503fba96fb/FLAGffc29627a [2022-11-20 20:22:57,272 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/data/383696791/321dd803fd2645ed9a8cec503fba96fb [2022-11-20 20:22:57,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:22:57,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:22:57,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:22:57,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:22:57,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:22:57,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643f4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57, skipping insertion in model container [2022-11-20 20:22:57,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:22:57,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:22:57,744 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_5576c79f-f586-46dd-af0c-19f09abd7feb/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-20 20:22:57,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:22:57,761 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:22:57,806 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_5576c79f-f586-46dd-af0c-19f09abd7feb/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-20 20:22:57,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:22:57,836 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:22:57,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57 WrapperNode [2022-11-20 20:22:57,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:22:57,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:22:57,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:22:57,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:22:57,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,902 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2022-11-20 20:22:57,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:22:57,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:22:57,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:22:57,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:22:57,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:22:57,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:22:57,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:22:57,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:22:57,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (1/1) ... [2022-11-20 20:22:57,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:22:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:22:58,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:22:58,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:22:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:22:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:22:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:22:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:22:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:22:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:22:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:22:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:22:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:22:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:22:58,192 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:22:58,210 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:22:58,511 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:22:58,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:22:58,682 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 20:22:58,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:22:58 BoogieIcfgContainer [2022-11-20 20:22:58,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:22:58,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:22:58,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:22:58,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:22:58,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:22:57" (1/3) ... [2022-11-20 20:22:58,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e78e5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:22:58, skipping insertion in model container [2022-11-20 20:22:58,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:57" (2/3) ... [2022-11-20 20:22:58,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e78e5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:22:58, skipping insertion in model container [2022-11-20 20:22:58,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:22:58" (3/3) ... [2022-11-20 20:22:58,696 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-11-20 20:22:58,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:22:58,721 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:22:58,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:22:58,785 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77db6781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:22:58,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:22:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:22:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 20:22:58,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:22:58,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 20:22:58,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:22:58,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:22:58,806 INFO L85 PathProgramCache]: Analyzing trace with hash -388181351, now seen corresponding path program 1 times [2022-11-20 20:22:58,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:22:58,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490616389] [2022-11-20 20:22:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:22:58,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:22:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:22:59,162 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 20:22:59,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:22:59,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490616389] [2022-11-20 20:22:59,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490616389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:22:59,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:22:59,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:22:59,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755284216] [2022-11-20 20:22:59,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:22:59,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:22:59,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:22:59,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:22:59,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:22:59,238 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:22:59,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:22:59,370 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-11-20 20:22:59,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:22:59,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 20:22:59,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:22:59,384 INFO L225 Difference]: With dead ends: 25 [2022-11-20 20:22:59,384 INFO L226 Difference]: Without dead ends: 12 [2022-11-20 20:22:59,388 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 20:22:59,393 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:22:59,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:22:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-20 20:22:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-20 20:22:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:22:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-20 20:22:59,437 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-11-20 20:22:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:22:59,438 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-20 20:22:59,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:22:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-11-20 20:22:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 20:22:59,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:22:59,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:22:59,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:22:59,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:22:59,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:22:59,442 INFO L85 PathProgramCache]: Analyzing trace with hash 249157005, now seen corresponding path program 1 times [2022-11-20 20:22:59,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:22:59,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628416724] [2022-11-20 20:22:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:22:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:22:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:22:59,727 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 20:22:59,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:22:59,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628416724] [2022-11-20 20:22:59,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628416724] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:22:59,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958634016] [2022-11-20 20:22:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:22:59,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:22:59,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:22:59,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:22:59,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:22:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:22:59,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:22:59,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:22:59,952 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 20:22:59,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:22:59,992 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 20:22:59,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958634016] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:22:59,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [350220504] [2022-11-20 20:23:00,036 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 20:23:00,037 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:23:00,041 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:23:00,051 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:23:00,054 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:23:00,237 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 20:23:00,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-20 20:23:00,311 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 20:23:00,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-20 20:23:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-11-20 20:23:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-20 20:23:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-20 20:23:00,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-20 20:23:00,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:00,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-20 20:23:00,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-20 20:23:00,786 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:23:00,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-20 20:23:00,815 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 20:23:01,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,486 INFO L217 Elim1Store]: Index analysis took 299 ms [2022-11-20 20:23:01,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:01,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:02,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:02,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:03,915 INFO L321 Elim1Store]: treesize reduction 83, result has 28.4 percent of original size [2022-11-20 20:23:03,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 339 treesize of output 339 [2022-11-20 20:23:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,198 INFO L217 Elim1Store]: Index analysis took 190 ms [2022-11-20 20:23:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:04,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:04,815 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:23:04,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 351 treesize of output 348 [2022-11-20 20:23:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:04,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 306 [2022-11-20 20:23:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 306 [2022-11-20 20:23:05,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-20 20:23:05,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-20 20:23:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-20 20:23:05,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 306 [2022-11-20 20:23:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:05,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:05,647 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-20 20:23:05,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 462 treesize of output 485 [2022-11-20 20:23:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:05,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:05,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 539 treesize of output 569 [2022-11-20 20:23:05,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2022-11-20 20:23:05,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-20 20:23:05,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2022-11-20 20:23:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:05,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:05,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:05,983 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-20 20:23:05,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 525 treesize of output 492 [2022-11-20 20:23:06,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 267 [2022-11-20 20:23:06,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 203 [2022-11-20 20:23:06,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-20 20:23:06,729 INFO L321 Elim1Store]: treesize reduction 112, result has 22.8 percent of original size [2022-11-20 20:23:06,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 694 treesize of output 707 [2022-11-20 20:23:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:06,895 INFO L321 Elim1Store]: treesize reduction 144, result has 25.4 percent of original size [2022-11-20 20:23:06,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 693 treesize of output 721 [2022-11-20 20:23:07,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-20 20:23:07,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:07,465 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:23:07,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-20 20:23:07,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:07,646 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-20 20:23:07,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-20 20:23:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 20:23:07,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-20 20:23:07,826 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-20 20:23:07,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 56 [2022-11-20 20:23:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-11-20 20:23:07,913 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-20 20:23:07,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-20 20:23:07,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:07,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-20 20:23:08,155 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 20:23:08,165 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 20:23:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:08,472 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:23:08,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-20 20:23:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:08,606 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-20 20:23:08,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-20 20:23:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 20:23:08,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-20 20:23:08,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2022-11-20 20:23:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-20 20:23:08,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:23:08,906 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 20:23:08,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 143 [2022-11-20 20:23:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:08,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-11-20 20:23:09,120 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:23:09,835 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '121#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 20:23:09,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:23:09,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:23:09,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-20 20:23:09,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71938802] [2022-11-20 20:23:09,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:23:09,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:23:09,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:23:09,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:23:09,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-20 20:23:09,838 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:23:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:23:10,121 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-11-20 20:23:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:23:10,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 20:23:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:23:10,123 INFO L225 Difference]: With dead ends: 24 [2022-11-20 20:23:10,123 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 20:23:10,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-20 20:23:10,126 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:23:10,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:23:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 20:23:10,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 20:23:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:23:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-20 20:23:10,133 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-11-20 20:23:10,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:23:10,133 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-20 20:23:10,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:23:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 20:23:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 20:23:10,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:23:10,134 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-11-20 20:23:10,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:23:10,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:23:10,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:23:10,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:23:10,343 INFO L85 PathProgramCache]: Analyzing trace with hash -555724695, now seen corresponding path program 2 times [2022-11-20 20:23:10,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:23:10,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325004893] [2022-11-20 20:23:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:23:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:23:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:23:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:23:10,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:23:10,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325004893] [2022-11-20 20:23:10,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325004893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:23:10,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255217989] [2022-11-20 20:23:10,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:23:10,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:23:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:23:10,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:23:10,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:23:12,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-20 20:23:12,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:23:12,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 20:23:12,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:23:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:23:12,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:23:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:23:12,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255217989] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:23:12,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1249309931] [2022-11-20 20:23:12,535 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 20:23:12,536 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:23:12,537 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:23:12,537 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:23:12,537 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:23:12,602 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 20:23:12,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-20 20:23:12,657 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 20:23:12,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-20 20:23:12,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-11-20 20:23:12,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-20 20:23:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-20 20:23:12,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-20 20:23:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:12,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-20 20:23:12,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-20 20:23:12,923 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 20:23:12,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-20 20:23:12,948 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 20:23:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:13,420 INFO L217 Elim1Store]: Index analysis took 306 ms [2022-11-20 20:23:13,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:13,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:13,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:13,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,274 INFO L321 Elim1Store]: treesize reduction 79, result has 26.9 percent of original size [2022-11-20 20:23:15,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 327 treesize of output 327 [2022-11-20 20:23:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,549 INFO L217 Elim1Store]: Index analysis took 145 ms [2022-11-20 20:23:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:15,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:15,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:15,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,017 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-20 20:23:16,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 339 treesize of output 336 [2022-11-20 20:23:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 294 [2022-11-20 20:23:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 294 [2022-11-20 20:23:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 294 [2022-11-20 20:23:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 294 [2022-11-20 20:23:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:16,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:16,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:16,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:17,018 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-20 20:23:17,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 450 treesize of output 478 [2022-11-20 20:23:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 384 [2022-11-20 20:23:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 384 [2022-11-20 20:23:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:17,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:17,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:17,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 527 treesize of output 557 [2022-11-20 20:23:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:17,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,433 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-20 20:23:17,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 479 treesize of output 446 [2022-11-20 20:23:17,732 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-20 20:23:17,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 190 [2022-11-20 20:23:17,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 134 [2022-11-20 20:23:17,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:17,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2022-11-20 20:23:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 470 treesize of output 425 [2022-11-20 20:23:17,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-20 20:23:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:17,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 393 [2022-11-20 20:23:18,586 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-20 20:23:18,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 955 treesize of output 954 [2022-11-20 20:23:18,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,727 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-20 20:23:18,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 960 treesize of output 970 [2022-11-20 20:23:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:18,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:19,107 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:23:19,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-20 20:23:19,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:19,239 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-20 20:23:19,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-20 20:23:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 20:23:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-20 20:23:19,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2022-11-20 20:23:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-20 20:23:19,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:23:19,556 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 20:23:19,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 143 [2022-11-20 20:23:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-11-20 20:23:19,659 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 20:23:19,670 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 20:23:19,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:19,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:19,980 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 20:23:19,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-20 20:23:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:23:20,136 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-20 20:23:20,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-20 20:23:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 20:23:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-20 20:23:20,345 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-20 20:23:20,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-20 20:23:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-20 20:23:20,435 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 20:23:20,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 121 [2022-11-20 20:23:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:23:20,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2022-11-20 20:23:20,655 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:23:21,407 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '273#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 20:23:21,407 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:23:21,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:23:21,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-11-20 20:23:21,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588799265] [2022-11-20 20:23:21,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:23:21,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 20:23:21,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:23:21,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 20:23:21,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-20 20:23:21,410 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:23:21,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:23:21,691 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-20 20:23:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:23:21,692 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 20:23:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:23:21,693 INFO L225 Difference]: With dead ends: 26 [2022-11-20 20:23:21,693 INFO L226 Difference]: Without dead ends: 19 [2022-11-20 20:23:21,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-20 20:23:21,694 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:23:21,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:23:21,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-20 20:23:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-20 20:23:21,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:23:21,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-20 20:23:21,699 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-11-20 20:23:21,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:23:21,700 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-20 20:23:21,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:23:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-20 20:23:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 20:23:21,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:23:21,701 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-20 20:23:21,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 20:23:21,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:23:21,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:23:21,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:23:21,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1846206627, now seen corresponding path program 3 times [2022-11-20 20:23:21,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:23:21,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661329237] [2022-11-20 20:23:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:23:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:23:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:23:22,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:23:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:23:22,326 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:23:22,327 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:23:22,328 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:23:22,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:23:22,334 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-20 20:23:22,339 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:23:22,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:23:22 BoogieIcfgContainer [2022-11-20 20:23:22,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:23:22,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:23:22,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:23:22,399 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:23:22,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:22:58" (3/4) ... [2022-11-20 20:23:22,402 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 20:23:22,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:23:22,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:23:22,474 INFO L158 Benchmark]: Toolchain (without parser) took 25197.12ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 125.9MB in the beginning and 152.9MB in the end (delta: -27.0MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,474 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:23:22,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.24ms. Allocated memory is still 155.2MB. Free memory was 125.9MB in the beginning and 108.9MB in the end (delta: 17.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.87ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 106.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,475 INFO L158 Benchmark]: Boogie Preprocessor took 69.65ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 105.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,475 INFO L158 Benchmark]: RCFGBuilder took 711.50ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 84.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,476 INFO L158 Benchmark]: TraceAbstraction took 23710.12ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 83.6MB in the beginning and 156.1MB in the end (delta: -72.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,476 INFO L158 Benchmark]: Witness Printer took 74.61ms. Allocated memory is still 270.5MB. Free memory was 156.1MB in the beginning and 152.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:23:22,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.24ms. Allocated memory is still 155.2MB. Free memory was 125.9MB in the beginning and 108.9MB in the end (delta: 17.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.87ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 106.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.65ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 105.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.50ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 84.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 23710.12ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 83.6MB in the beginning and 156.1MB in the end (delta: -72.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 74.61ms. Allocated memory is still 270.5MB. Free memory was 156.1MB in the beginning and 152.9MB in the end (delta: 3.1MB). 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]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L599] const int len = 5; [L600] CALL, EXPR dll_create(len) [L579] DLL head = ((void *)0); VAL [\old(len)=5, head={0:0}, len=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND FALSE !(\read(head)) [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-1:0}, len=4, new_head={-1:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-2:0}, len=3, new_head={-2:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-3:0}, len=2, new_head={-3:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-4:0}, len=1, new_head={-4:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-5:0}, len=0, new_head={-5:0}] [L580] COND FALSE !(len > 0) [L596] return head; [L600] RET, EXPR dll_create(len) [L600] DLL head = dll_create(len); [L601] head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L601] COND TRUE head->next [L602] EXPR head->data_0 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] EXPR head->data_1 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L602] EXPR head->data_2 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L602] COND TRUE 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L616] reach_error() VAL [head={-5:0}, len=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.6s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 23 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 606 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/51 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 20:23:22,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5576c79f-f586-46dd-af0c-19f09abd7feb/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