./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bebfef36417cc629a011ca1d30e6696f3048116bc9623a75bf9b2a872de91ab8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:42:33,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:42:33,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:42:33,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:42:33,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:42:33,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:42:33,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:42:33,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:42:33,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:42:33,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:42:33,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:42:33,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:42:33,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:42:33,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:42:33,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:42:33,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:42:33,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:42:33,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:42:33,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:42:33,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:42:33,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:42:33,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:42:33,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:42:33,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:42:33,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:42:33,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:42:33,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:42:33,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:42:33,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:42:33,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:42:33,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:42:33,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:42:33,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:42:33,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:42:33,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:42:33,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:42:33,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:42:33,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:42:33,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:42:33,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:42:33,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:42:33,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-23 15:42:33,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:42:33,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:42:33,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:42:33,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:42:33,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:42:33,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:42:33,327 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:42:33,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:42:33,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:42:33,328 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:42:33,329 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:42:33,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:42:33,330 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:42:33,330 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:42:33,330 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:42:33,331 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:42:33,331 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:42:33,331 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:42:33,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:42:33,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:42:33,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:42:33,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:42:33,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:42:33,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:42:33,335 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:42:33,335 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:42:33,335 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 15:42:33,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:42:33,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:42:33,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:42:33,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:42:33,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:42:33,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:42:33,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:42:33,338 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:42:33,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:42:33,338 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:42:33,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:42:33,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:42:33,339 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_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bebfef36417cc629a011ca1d30e6696f3048116bc9623a75bf9b2a872de91ab8 [2022-11-23 15:42:33,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:42:33,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:42:33,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:42:33,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:42:33,666 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:42:33,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i [2022-11-23 15:42:37,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:42:37,411 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:42:37,412 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i [2022-11-23 15:42:37,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/data/ada20f9c3/39bdfbaab24e48b8a1ab81321ae75db9/FLAG3ab642112 [2022-11-23 15:42:37,467 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/data/ada20f9c3/39bdfbaab24e48b8a1ab81321ae75db9 [2022-11-23 15:42:37,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:42:37,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:42:37,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:42:37,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:42:37,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:42:37,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:37" (1/1) ... [2022-11-23 15:42:37,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b53eb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37, skipping insertion in model container [2022-11-23 15:42:37,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:37" (1/1) ... [2022-11-23 15:42:37,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:42:37,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:42:37,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:42:37,905 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:42:37,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:42:38,018 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:42:38,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38 WrapperNode [2022-11-23 15:42:38,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:42:38,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:42:38,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:42:38,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:42:38,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,066 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-11-23 15:42:38,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:42:38,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:42:38,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:42:38,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:42:38,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,095 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:42:38,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:42:38,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:42:38,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:42:38,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (1/1) ... [2022-11-23 15:42:38,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:42:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:38,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:42:38,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:42:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:42:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:42:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:42:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:42:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:42:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:42:38,364 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:42:38,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:42:38,581 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:42:38,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:42:38,682 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:42:38,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:38 BoogieIcfgContainer [2022-11-23 15:42:38,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:42:38,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:42:38,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:42:38,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:42:38,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:42:37" (1/3) ... [2022-11-23 15:42:38,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13099b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:38, skipping insertion in model container [2022-11-23 15:42:38,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:38" (2/3) ... [2022-11-23 15:42:38,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13099b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:38, skipping insertion in model container [2022-11-23 15:42:38,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:38" (3/3) ... [2022-11-23 15:42:38,711 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstpcpy-alloca-2.i [2022-11-23 15:42:38,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:42:38,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-23 15:42:38,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:42:38,844 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79f79fdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:42:38,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-23 15:42:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 8 states have (on average 2.25) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 15:42:38,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:38,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 15:42:38,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash 86103, now seen corresponding path program 1 times [2022-11-23 15:42:38,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:38,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798902820] [2022-11-23 15:42:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:38,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:39,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:39,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798902820] [2022-11-23 15:42:39,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798902820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:39,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:39,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:42:39,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629538774] [2022-11-23 15:42:39,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:39,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:42:39,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:39,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:42:39,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:39,162 INFO L87 Difference]: Start difference. First operand has 16 states, 8 states have (on average 2.25) internal successors, (18), 15 states have internal predecessors, (18), 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, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:39,214 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-23 15:42:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:42:39,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-23 15:42:39,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:39,227 INFO L225 Difference]: With dead ends: 17 [2022-11-23 15:42:39,228 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 15:42:39,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:39,234 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:39,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:39,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 15:42:39,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 15:42:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 8 states have (on average 1.875) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-23 15:42:39,274 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 3 [2022-11-23 15:42:39,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:39,274 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-23 15:42:39,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-23 15:42:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 15:42:39,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:39,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 15:42:39,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:42:39,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:39,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:39,278 INFO L85 PathProgramCache]: Analyzing trace with hash 86139, now seen corresponding path program 1 times [2022-11-23 15:42:39,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:39,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887567267] [2022-11-23 15:42:39,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:39,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:39,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887567267] [2022-11-23 15:42:39,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887567267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:39,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:39,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:42:39,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280420310] [2022-11-23 15:42:39,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:39,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:42:39,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:39,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:42:39,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:39,444 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:39,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:39,469 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-23 15:42:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:42:39,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-23 15:42:39,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:39,471 INFO L225 Difference]: With dead ends: 14 [2022-11-23 15:42:39,471 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 15:42:39,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:39,473 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:39,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:39,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 15:42:39,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-23 15:42:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 8 states have (on average 1.75) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-23 15:42:39,478 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 3 [2022-11-23 15:42:39,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:39,479 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-23 15:42:39,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-23 15:42:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 15:42:39,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:39,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 15:42:39,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:42:39,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:39,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:39,481 INFO L85 PathProgramCache]: Analyzing trace with hash 86140, now seen corresponding path program 1 times [2022-11-23 15:42:39,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:39,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004428587] [2022-11-23 15:42:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:39,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:39,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:39,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004428587] [2022-11-23 15:42:39,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004428587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:39,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:39,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:42:39,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547325987] [2022-11-23 15:42:39,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:39,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:39,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:39,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:39,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:39,979 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:40,026 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-23 15:42:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:40,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-23 15:42:40,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:40,028 INFO L225 Difference]: With dead ends: 13 [2022-11-23 15:42:40,028 INFO L226 Difference]: Without dead ends: 13 [2022-11-23 15:42:40,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:40,030 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:40,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-23 15:42:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-23 15:42:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.625) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-23 15:42:40,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 3 [2022-11-23 15:42:40,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:40,035 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-23 15:42:40,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-23 15:42:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:42:40,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:40,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:42:40,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:42:40,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:40,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2671236, now seen corresponding path program 1 times [2022-11-23 15:42:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:40,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453230254] [2022-11-23 15:42:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:40,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:40,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453230254] [2022-11-23 15:42:40,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453230254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:40,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:40,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:42:40,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743644281] [2022-11-23 15:42:40,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:40,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:42:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:40,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:42:40,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:40,110 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:40,135 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-23 15:42:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:42:40,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-23 15:42:40,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:40,136 INFO L225 Difference]: With dead ends: 12 [2022-11-23 15:42:40,137 INFO L226 Difference]: Without dead ends: 12 [2022-11-23 15:42:40,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:40,139 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:40,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-23 15:42:40,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-23 15:42:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.5) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-23 15:42:40,144 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2022-11-23 15:42:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:40,144 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-23 15:42:40,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-23 15:42:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:42:40,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:40,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:42:40,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:42:40,146 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:40,147 INFO L85 PathProgramCache]: Analyzing trace with hash 2671237, now seen corresponding path program 1 times [2022-11-23 15:42:40,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:40,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329043156] [2022-11-23 15:42:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:40,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:40,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329043156] [2022-11-23 15:42:40,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329043156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:40,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:40,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:42:40,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625118693] [2022-11-23 15:42:40,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:40,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:40,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:40,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:40,270 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:40,316 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-11-23 15:42:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:40,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-23 15:42:40,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:40,318 INFO L225 Difference]: With dead ends: 20 [2022-11-23 15:42:40,318 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 15:42:40,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:40,320 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:40,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 8 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:40,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 15:42:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-23 15:42:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-23 15:42:40,326 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2022-11-23 15:42:40,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:40,326 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-23 15:42:40,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-23 15:42:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:42:40,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:40,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:42:40,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:42:40,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash 82808317, now seen corresponding path program 1 times [2022-11-23 15:42:40,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:40,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400338717] [2022-11-23 15:42:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:40,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:40,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:40,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400338717] [2022-11-23 15:42:40,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400338717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:40,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:40,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:42:40,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350318404] [2022-11-23 15:42:40,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:40,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:42:40,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:40,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:42:40,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:40,595 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:40,668 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-23 15:42:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:42:40,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-23 15:42:40,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:40,670 INFO L225 Difference]: With dead ends: 19 [2022-11-23 15:42:40,670 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 15:42:40,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:42:40,672 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:40,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 4 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:40,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 15:42:40,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2022-11-23 15:42:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-23 15:42:40,676 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 5 [2022-11-23 15:42:40,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:40,677 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-23 15:42:40,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-23 15:42:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:42:40,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:40,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:42:40,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:42:40,679 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash 82808316, now seen corresponding path program 1 times [2022-11-23 15:42:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:40,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904615550] [2022-11-23 15:42:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:40,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:40,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904615550] [2022-11-23 15:42:40,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904615550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:40,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:40,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:42:40,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752307998] [2022-11-23 15:42:40,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:40,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:40,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:40,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:40,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:40,842 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:40,892 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-23 15:42:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:40,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-23 15:42:40,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:40,893 INFO L225 Difference]: With dead ends: 13 [2022-11-23 15:42:40,895 INFO L226 Difference]: Without dead ends: 13 [2022-11-23 15:42:40,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:40,900 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:40,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:40,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-23 15:42:40,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-23 15:42:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.3) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-23 15:42:40,904 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 5 [2022-11-23 15:42:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:40,904 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-23 15:42:40,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-23 15:42:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:42:40,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:40,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:40,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:42:40,906 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:40,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:40,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2025586299, now seen corresponding path program 1 times [2022-11-23 15:42:40,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:40,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516826632] [2022-11-23 15:42:40,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:40,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:41,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:41,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516826632] [2022-11-23 15:42:41,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516826632] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:42:41,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587033396] [2022-11-23 15:42:41,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:41,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:41,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:41,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:42:41,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:42:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:41,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-23 15:42:41,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:41,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:42:41,628 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:42:41,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-11-23 15:42:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:41,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:42,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-11-23 15:42:42,022 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 22 treesize of output 20 [2022-11-23 15:42:42,034 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 31 treesize of output 23 [2022-11-23 15:42:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:42,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587033396] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:42:42,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [358745551] [2022-11-23 15:42:42,085 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:42:42,086 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:42:42,091 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:42:42,099 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:42:42,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:42:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:42,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:42:42,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:42:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:42,413 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:42:42,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:42:42,606 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:42:42,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:42:42,704 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:42:42,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:42:42,723 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:42:43,703 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '304#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (< (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|) (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:42:43,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:42:43,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:42:43,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-11-23 15:42:43,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355792478] [2022-11-23 15:42:43,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:42:43,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:42:43,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:43,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:42:43,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:42:43,708 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:44,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:44,113 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-11-23 15:42:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:42:44,115 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 7 [2022-11-23 15:42:44,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:44,116 INFO L225 Difference]: With dead ends: 24 [2022-11-23 15:42:44,116 INFO L226 Difference]: Without dead ends: 24 [2022-11-23 15:42:44,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:42:44,118 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 52 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:44,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 15 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:42:44,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-23 15:42:44,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 15. [2022-11-23 15:42:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-23 15:42:44,122 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 7 [2022-11-23 15:42:44,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:44,122 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-23 15:42:44,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-23 15:42:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:42:44,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:44,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:44,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:42:44,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:44,324 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:44,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1631319586, now seen corresponding path program 1 times [2022-11-23 15:42:44,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:44,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24423106] [2022-11-23 15:42:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:44,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:44,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:44,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24423106] [2022-11-23 15:42:44,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24423106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:44,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:44,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:42:44,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210665538] [2022-11-23 15:42:44,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:44,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:42:44,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:44,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:42:44,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:42:44,583 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:44,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:44,650 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-23 15:42:44,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:44,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 15:42:44,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:44,652 INFO L225 Difference]: With dead ends: 14 [2022-11-23 15:42:44,652 INFO L226 Difference]: Without dead ends: 12 [2022-11-23 15:42:44,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:42:44,653 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:44,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:42:44,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-23 15:42:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-23 15:42:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-23 15:42:44,657 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-23 15:42:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:44,657 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-23 15:42:44,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-23 15:42:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:42:44,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:44,658 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:44,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:42:44,658 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:44,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1631334141, now seen corresponding path program 1 times [2022-11-23 15:42:44,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:44,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540500465] [2022-11-23 15:42:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:44,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:45,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:45,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540500465] [2022-11-23 15:42:45,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540500465] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:42:45,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104602782] [2022-11-23 15:42:45,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:45,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:45,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:45,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:42:45,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:42:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:45,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-23 15:42:45,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:45,538 INFO L321 Elim1Store]: treesize reduction 11, result has 50.0 percent of original size [2022-11-23 15:42:45,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 17 [2022-11-23 15:42:45,589 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 10 treesize of output 8 [2022-11-23 15:42:45,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:42:45,872 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:42:45,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2022-11-23 15:42:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:46,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:46,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-11-23 15:42:46,358 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 14 treesize of output 12 [2022-11-23 15:42:46,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:42:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:46,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104602782] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:42:46,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2076338103] [2022-11-23 15:42:46,516 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:42:46,516 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:42:46,516 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:42:46,517 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:42:46,518 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:42:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:46,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:42:46,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:42:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:46,721 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:42:46,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:42:46,851 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:42:46,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:42:46,944 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:42:46,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:42:46,961 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:42:47,934 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '456#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_cstpcpy_~from#1.base|) |ULTIMATE.start_cstpcpy_~from#1.offset|) |ULTIMATE.start_cstpcpy_#t~mem4#1|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1) (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|)) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (< (select |#length| |ULTIMATE.start_cstpcpy_~to#1.base|) (+ |ULTIMATE.start_cstpcpy_~to#1.offset| 1)) (= (select |#valid| |ULTIMATE.start_cstpcpy_~from#1.base|) 1) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:42:47,935 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:42:47,935 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:42:47,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 17 [2022-11-23 15:42:47,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919734307] [2022-11-23 15:42:47,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:42:47,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-23 15:42:47,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:47,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-23 15:42:47,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:42:47,937 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:49,142 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-23 15:42:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:42:49,143 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 15:42:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:49,143 INFO L225 Difference]: With dead ends: 13 [2022-11-23 15:42:49,143 INFO L226 Difference]: Without dead ends: 13 [2022-11-23 15:42:49,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2022-11-23 15:42:49,145 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:49,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:42:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-23 15:42:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2022-11-23 15:42:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-23 15:42:49,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2022-11-23 15:42:49,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:49,148 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-11-23 15:42:49,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:49,148 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-23 15:42:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:42:49,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:49,148 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-11-23 15:42:49,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:42:49,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 15:42:49,349 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:49,350 INFO L85 PathProgramCache]: Analyzing trace with hash 49046149, now seen corresponding path program 2 times [2022-11-23 15:42:49,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:49,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069903153] [2022-11-23 15:42:49,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:49,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:49,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:49,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069903153] [2022-11-23 15:42:49,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069903153] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:42:49,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448740234] [2022-11-23 15:42:49,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:42:49,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:49,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:42:50,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:42:50,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-23 15:42:50,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:42:50,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-23 15:42:50,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:50,104 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 10 treesize of output 8 [2022-11-23 15:42:50,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:42:50,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2022-11-23 15:42:50,468 INFO L321 Elim1Store]: treesize reduction 4, result has 82.6 percent of original size [2022-11-23 15:42:50,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 29 [2022-11-23 15:42:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:50,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:51,066 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:42:51,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 36 [2022-11-23 15:42:51,098 INFO L321 Elim1Store]: treesize reduction 25, result has 44.4 percent of original size [2022-11-23 15:42:51,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 39 [2022-11-23 15:42:51,126 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:42:51,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 39 [2022-11-23 15:42:51,140 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 11 treesize of output 7 [2022-11-23 15:42:51,149 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 16 treesize of output 12 [2022-11-23 15:42:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:51,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448740234] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:42:51,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1992115106] [2022-11-23 15:42:51,244 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:42:51,245 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:42:51,245 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:42:51,245 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:42:51,246 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:42:51,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:51,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:42:51,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:42:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:51,508 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:42:51,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:42:51,614 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:42:51,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:42:51,690 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:42:51,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:42:51,703 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:42:52,701 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '574#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (< (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|) (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:42:52,701 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:42:52,701 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:42:52,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 21 [2022-11-23 15:42:52,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446876105] [2022-11-23 15:42:52,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:42:52,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 15:42:52,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 15:42:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=665, Unknown=4, NotChecked=0, Total=756 [2022-11-23 15:42:52,703 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:54,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:54,288 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-23 15:42:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:42:54,290 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 15:42:54,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:54,291 INFO L225 Difference]: With dead ends: 19 [2022-11-23 15:42:54,291 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 15:42:54,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=215, Invalid=1187, Unknown=4, NotChecked=0, Total=1406 [2022-11-23 15:42:54,292 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 18 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:54,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:42:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 15:42:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2022-11-23 15:42:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-23 15:42:54,295 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2022-11-23 15:42:54,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:54,295 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-11-23 15:42:54,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-23 15:42:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:42:54,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:54,296 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1] [2022-11-23 15:42:54,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:42:54,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:54,506 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:42:54,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:54,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1938292091, now seen corresponding path program 3 times [2022-11-23 15:42:54,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:54,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286823325] [2022-11-23 15:42:54,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:54,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:55,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:55,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286823325] [2022-11-23 15:42:55,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286823325] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:42:55,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211001491] [2022-11-23 15:42:55,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 15:42:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:55,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:55,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:42:55,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:42:55,534 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 15:42:55,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:42:55,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-23 15:42:55,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:55,579 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 15:42:55,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-23 15:42:55,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:42:55,810 INFO L321 Elim1Store]: treesize reduction 40, result has 50.6 percent of original size [2022-11-23 15:42:55,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 54 [2022-11-23 15:42:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:56,312 INFO L321 Elim1Store]: treesize reduction 56, result has 50.0 percent of original size [2022-11-23 15:42:56,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 85 [2022-11-23 15:42:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:42:57,088 INFO L321 Elim1Store]: treesize reduction 72, result has 49.7 percent of original size [2022-11-23 15:42:57,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 104 [2022-11-23 15:42:57,484 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:42:57,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:42:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:57,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:43:03,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1281 treesize of output 1267 [2022-11-23 15:43:03,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 661 treesize of output 635 [2022-11-23 15:43:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:07,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211001491] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:43:07,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1911461613] [2022-11-23 15:43:07,817 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:43:07,818 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:43:07,818 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:43:07,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:43:07,819 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:43:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:07,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:43:07,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:43:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:08,002 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:43:08,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:43:08,119 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:43:08,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:43:08,203 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:43:08,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:43:08,217 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:43:09,601 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '761#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (< (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|) (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:43:09,601 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:43:09,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:43:09,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 14] total 34 [2022-11-23 15:43:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569080157] [2022-11-23 15:43:09,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:43:09,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-23 15:43:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:09,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-23 15:43:09,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1454, Unknown=1, NotChecked=0, Total=1640 [2022-11-23 15:43:09,604 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 35 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:43:23,600 WARN L233 SmtUtils]: Spent 12.04s on a formula simplification. DAG size of input: 145 DAG size of output: 118 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:52,074 WARN L233 SmtUtils]: Spent 25.97s on a formula simplification. DAG size of input: 137 DAG size of output: 113 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:55,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:55,404 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-11-23 15:43:55,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 15:43:55,405 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 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 16 [2022-11-23 15:43:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:55,406 INFO L225 Difference]: With dead ends: 31 [2022-11-23 15:43:55,406 INFO L226 Difference]: Without dead ends: 31 [2022-11-23 15:43:55,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 51.6s TimeCoverageRelationStatistics Valid=485, Invalid=2935, Unknown=2, NotChecked=0, Total=3422 [2022-11-23 15:43:55,409 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 106 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:55,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:43:55,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-23 15:43:55,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2022-11-23 15:43:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:43:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-11-23 15:43:55,413 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 16 [2022-11-23 15:43:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:55,414 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2022-11-23 15:43:55,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:43:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-11-23 15:43:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 15:43:55,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:55,415 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1] [2022-11-23 15:43:55,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:43:55,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 15:43:55,623 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:43:55,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:55,624 INFO L85 PathProgramCache]: Analyzing trace with hash -605601147, now seen corresponding path program 4 times [2022-11-23 15:43:55,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:55,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653036953] [2022-11-23 15:43:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:55,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:57,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:57,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653036953] [2022-11-23 15:43:57,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653036953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:43:57,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43688230] [2022-11-23 15:43:57,293 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 15:43:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:43:57,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:43:57,295 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:43:57,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:43:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:57,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 107 conjunts are in the unsatisfiable core [2022-11-23 15:43:57,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:43:57,507 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 10 treesize of output 8 [2022-11-23 15:43:57,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:43:57,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-23 15:43:57,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-23 15:43:58,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:43:58,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2022-11-23 15:43:58,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2022-11-23 15:43:59,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 53 [2022-11-23 15:43:59,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2022-11-23 15:43:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:59,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:43:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:00,009 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-11-23 15:44:00,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 73 [2022-11-23 15:44:00,022 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2022-11-23 15:44:00,057 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-23 15:44:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:00,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:44:05,681 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:44:05,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 175 treesize of output 108 [2022-11-23 15:44:05,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 172 [2022-11-23 15:44:05,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:44:05,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 131 [2022-11-23 15:44:05,812 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 16 treesize of output 12 [2022-11-23 15:44:06,054 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 10 treesize of output 8 [2022-11-23 15:44:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:06,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43688230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:44:06,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1854693547] [2022-11-23 15:44:06,121 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:44:06,121 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:44:06,121 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:44:06,122 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:44:06,122 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:44:06,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:06,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:44:06,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:44:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:06,286 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:44:06,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:44:06,384 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:44:06,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:44:06,460 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:44:06,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:44:06,471 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:44:08,179 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1084#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (< (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|) (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:44:08,180 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:44:08,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:44:08,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 20, 26] total 57 [2022-11-23 15:44:08,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356001787] [2022-11-23 15:44:08,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:44:08,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-11-23 15:44:08,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:08,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-11-23 15:44:08,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=3640, Unknown=112, NotChecked=0, Total=4160 [2022-11-23 15:44:08,184 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 59 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:44:24,774 WARN L233 SmtUtils]: Spent 12.15s on a formula simplification. DAG size of input: 212 DAG size of output: 184 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:44:24,904 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse36 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse34 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse33 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse42 (div |c_ULTIMATE.start_main_~length2~0#1| 18446744073709551616)) (.cse31 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse35 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse32 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse30 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (let ((.cse1 (and (<= 0 .cse35) (<= .cse32 .cse30))) (.cse2 (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse3 (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse31) 0))) (.cse23 (forall ((v_ArrVal_214 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6)))) (.cse7 (and (<= 0 .cse31) (<= .cse35 .cse30))) (.cse9 (<= (+ .cse42 1) 0)) (.cse8 (+ (select |c_#length| |c_ULTIMATE.start_main_~nondetString~0#1.base|) (* 18446744073709551616 .cse42))) (.cse14 (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse33) 0))) (.cse15 (forall ((v_ArrVal_208 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_208) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse16 (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse32) 0))) (.cse17 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse34) 0))) (.cse18 (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9) .cse30)) (.cse20 (forall ((v_ArrVal_210 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_210) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse35) 0))) (.cse21 (forall ((v_ArrVal_209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_209) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse31) 0))) (.cse22 (forall ((v_ArrVal_214 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse36)))) (.cse19 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse24 (and (<= 0 .cse33) (<= .cse36 .cse30))) (.cse25 (forall ((v_ArrVal_210 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_210) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse26 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse35) 0))) (.cse27 (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse34) 0))) (.cse28 (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse31) 0))) (.cse29 (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse32) 0))) (.cse4 (= |c_ULTIMATE.start_cstpcpy_#t~mem4#1| 0)) (.cse10 (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse35) 0))) (.cse11 (and (<= 0 .cse32) (<= .cse34 .cse30))) (.cse12 (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse31) 0))) (.cse13 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse0 (= (select .cse5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse37 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse31) 0))) (.cse38 (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse39 (and (<= .cse33 .cse30) (<= 0 .cse34))) (.cse40 (forall ((v_ArrVal_214 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse32)))) (.cse41 (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse35) 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (= 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or (= (select .cse5 .cse6) 0) .cse4 .cse7) (not (= (select .cse5 (+ (- 1) |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) 0)) (or (<= .cse8 |c_ULTIMATE.start_main_~length2~0#1|) .cse9) (or .cse10 .cse4 .cse11 .cse12 .cse13) (or .cse14 .cse4 .cse15 .cse16 .cse17 (and .cse18 (<= 0 .cse19)) .cse20 .cse21 .cse22) (or .cse4 .cse23 .cse7) (or .cse0 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (or .cse0 .cse23 .cse7) (or (not .cse9) (<= 1 .cse8)) (not (= (select .cse5 0) 0)) (or (and .cse4 (<= .cse6 .cse30)) (<= .cse31 .cse30)) (or .cse0 .cse14 .cse15 .cse16 .cse17 (not (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) .cse18 .cse20 .cse21 .cse22) (or .cse4 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse32) 0)) (forall ((v_ArrVal_209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_209) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse33) 0)) (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse34) 0)) (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse35) 0)) (and (<= 0 .cse36) (<= .cse19 .cse30)) (forall ((v_ArrVal_210 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_210) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse31) 0))) (or .cse4 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (not (= (select .cse5 2) 0)) (not (= (select .cse5 4) 0)) (not (= |c_ULTIMATE.start_main_~nondetString~0#1.base| |c_ULTIMATE.start_main_~nondetArea~0#1.base|)) (or .cse4 .cse37 .cse38 .cse39 .cse40 .cse41) (= |c_ULTIMATE.start_main_~nondetString~0#1.offset| 0) (not (= (select .cse5 1) 0)) (not (= (select .cse5 5) 0)) (<= 1 |c_ULTIMATE.start_main_~length2~0#1|) (not (= (select .cse5 3) 0)) (or .cse0 .cse10 .cse11 .cse12 .cse13) (or .cse0 .cse37 .cse38 .cse39 .cse40 .cse41) (exists ((|ULTIMATE.start_main_~length2~0#1| Int)) (and (<= |ULTIMATE.start_main_~length2~0#1| .cse30) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (= (select .cse5 (+ (- 1) |ULTIMATE.start_main_~length2~0#1|)) 0)))))) is different from false [2022-11-23 15:44:26,203 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse3 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (let ((.cse9 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse6 (<= .cse5 .cse3)) (.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|) |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse7 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse8 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse1 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3))) (and (or .cse0 (and (<= 0 .cse1) (<= .cse2 .cse3)) (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (or .cse0 (<= .cse3 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse6) (or .cse0 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_209) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (and (<= 0 .cse9) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8) .cse3)) (forall ((v_ArrVal_210 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_210) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (or .cse0 (and (<= 0 .cse7) (<= .cse9 .cse3)) (forall ((v_ArrVal_210 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_210) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (or .cse0 (forall ((v_ArrVal_214 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4))) (and (<= 0 .cse5) (<= .cse1 .cse3))) (= |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8) (<= 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse0 (and (<= 0 .cse4) .cse6)) (<= 9 .cse3) (or .cse0 (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (and (<= 0 .cse2) (<= .cse8 .cse3)) (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0))) (or .cse0 (forall ((v_ArrVal_212 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_212) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_211 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_211) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (and (<= .cse7 .cse3) (<= 0 .cse8)) (forall ((v_ArrVal_214 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_214) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2))) (forall ((v_ArrVal_213 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_213) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)))))) is different from false [2022-11-23 15:44:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:37,922 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2022-11-23 15:44:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-23 15:44:37,925 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-23 15:44:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:37,925 INFO L225 Difference]: With dead ends: 55 [2022-11-23 15:44:37,925 INFO L226 Difference]: Without dead ends: 55 [2022-11-23 15:44:37,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2058 ImplicationChecksByTransitivity, 35.3s TimeCoverageRelationStatistics Valid=1117, Invalid=8832, Unknown=159, NotChecked=398, Total=10506 [2022-11-23 15:44:37,930 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 169 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 160 mSolverCounterUnsat, 89 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 89 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:37,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 4 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1021 Invalid, 89 Unknown, 2 Unchecked, 2.9s Time] [2022-11-23 15:44:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-23 15:44:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2022-11-23 15:44:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:44:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2022-11-23 15:44:37,943 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 28 [2022-11-23 15:44:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:37,943 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2022-11-23 15:44:37,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:44:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2022-11-23 15:44:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:44:37,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:37,947 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1] [2022-11-23 15:44:37,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:44:38,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 15:44:38,154 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:44:38,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:38,155 INFO L85 PathProgramCache]: Analyzing trace with hash 69583493, now seen corresponding path program 5 times [2022-11-23 15:44:38,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:38,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451849788] [2022-11-23 15:44:38,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:38,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:41,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451849788] [2022-11-23 15:44:41,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451849788] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:44:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782055081] [2022-11-23 15:44:41,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:44:41,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:41,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:41,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:44:41,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:44:42,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2022-11-23 15:44:42,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:44:42,633 WARN L261 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 233 conjunts are in the unsatisfiable core [2022-11-23 15:44:42,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:44:42,647 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 10 treesize of output 8 [2022-11-23 15:44:42,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:44:42,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-23 15:44:43,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-23 15:44:43,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2022-11-23 15:44:43,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2022-11-23 15:44:44,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2022-11-23 15:44:44,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 55 [2022-11-23 15:44:45,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2022-11-23 15:44:45,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 71 [2022-11-23 15:44:46,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 79 [2022-11-23 15:44:46,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 87 [2022-11-23 15:44:47,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 83 [2022-11-23 15:44:47,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 89 [2022-11-23 15:44:48,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 97 [2022-11-23 15:44:49,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 101 [2022-11-23 15:44:50,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 107 [2022-11-23 15:44:50,644 INFO L321 Elim1Store]: treesize reduction 60, result has 54.2 percent of original size [2022-11-23 15:44:50,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 16 case distinctions, treesize of input 137 treesize of output 137 [2022-11-23 15:44:50,659 WARN L718 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2022-11-23 15:44:51,830 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2022-11-23 15:44:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:54,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:45:33,644 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:45:33,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 359 treesize of output 204 [2022-11-23 15:45:33,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 356 [2022-11-23 15:45:33,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:33,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:33,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:33,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:33,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:33,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:33,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 267 [2022-11-23 15:45:33,796 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 16 treesize of output 12 [2022-11-23 15:45:34,154 WARN L718 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2022-11-23 15:45:36,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 15:45:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:45:36,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782055081] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:45:36,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1728838903] [2022-11-23 15:45:36,676 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:45:36,676 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:45:36,677 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:45:36,677 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:45:36,677 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:45:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:45:36,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:45:36,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:45:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:45:36,822 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:45:36,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:45:36,908 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:45:36,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:45:36,970 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:45:36,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:45:36,982 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:45:39,722 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1684#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (< (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|) (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:45:39,722 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:45:39,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:45:39,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 35, 50] total 103 [2022-11-23 15:45:39,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671232754] [2022-11-23 15:45:39,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:45:39,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-11-23 15:45:39,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:39,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-11-23 15:45:39,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1229, Invalid=10099, Unknown=662, NotChecked=0, Total=11990 [2022-11-23 15:45:39,728 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand has 104 states, 103 states have (on average 1.4951456310679612) internal successors, (154), 104 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:46:00,498 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse20 (div |c_ULTIMATE.start_main_~length2~0#1| 18446744073709551616))) (let ((.cse19 (<= (+ .cse20 1) 0)) (.cse18 (+ (select |c_#length| |c_ULTIMATE.start_main_~nondetString~0#1.base|) (* 18446744073709551616 .cse20))) (.cse16 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 14)) (.cse2 (= (select .cse0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse10 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 12)) (.cse12 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse1 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse7 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse13 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse15 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse11 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 13)) (.cse5 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse14 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9)) (.cse3 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse6 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse8 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 11)) (.cse17 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 15)) (.cse9 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (and (not (= (select .cse0 7) 0)) (or (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) .cse2 (forall ((v_ArrVal_299 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_299) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_297 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_297) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_298 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_298) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 17) .cse9) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse16) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse17) 0)) (not (<= 0 .cse17))) (or (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) .cse2 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (<= .cse10 .cse9) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (not (<= 0 .cse1)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0))) (= |c_ULTIMATE.start_cstpcpy_~from#1.offset| 15) (not (= (select .cse0 14) 0)) (or .cse2 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (not (<= 0 .cse15)) (<= .cse13 .cse9) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (or (<= .cse18 |c_ULTIMATE.start_main_~length2~0#1|) .cse19) (or .cse2 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6))) (not (<= 0 .cse12)) (<= .cse14 .cse9) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0))) (= 0 |c_ULTIMATE.start_main_~nondetArea~0#1.offset|) (not (= (select .cse0 13) 0)) (not (= (select .cse0 11) 0)) (or (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) .cse2 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (<= .cse16 .cse9) (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse10)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0))) (not (= (select .cse0 0) 0)) (or .cse2 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= .cse12 .cse9) (not (<= 0 .cse6)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0))) (not (= (select .cse0 6) 0)) (not (= (select .cse0 9) 0)) (or (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) .cse2 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (not (<= 0 .cse7)) (<= .cse1 .cse9) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (or .cse2 (<= .cse3 .cse9) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (not (<= 0 .cse4))) (or .cse2 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (not (<= 0 .cse3)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (<= .cse6 .cse9)) (not (= (select .cse0 2) 0)) (not (= (select .cse0 4) 0)) (or (not .cse19) (<= |c_ULTIMATE.start_main_~length2~0#1| .cse18)) (or .cse2 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (not (<= 0 .cse14)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (<= .cse8 .cse9)) (not (= |c_ULTIMATE.start_main_~nondetString~0#1.base| |c_ULTIMATE.start_main_~nondetArea~0#1.base|)) (= |c_ULTIMATE.start_main_~nondetString~0#1.offset| 0) (not (= (select .cse0 1) 0)) (or (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) .cse2 (not (<= 0 .cse16)) (forall ((v_ArrVal_299 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_299) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (<= (+ 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse9) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse16) 0)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_298 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_298) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4)))) (not (= (select .cse0 12) 0)) (or (not (<= 0 .cse5)) .cse2 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= .cse15 .cse9) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (not (= (select .cse0 5) 0)) (not (= (select .cse0 10) 0)) (or (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse2 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (<= .cse11 .cse9) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_302 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5))) (not (<= 0 .cse8)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (not (= (select .cse0 3) 0)) (or .cse2 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (<= .cse7 .cse9) (not (<= 0 .cse13))) (or .cse2 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_299 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_299) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse15) 0)) (not (<= 0 .cse11)) (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (<= .cse17 .cse9)) (not (= (select .cse0 8) 0)) (exists ((|ULTIMATE.start_main_~length2~0#1| Int)) (and (<= |ULTIMATE.start_main_~length2~0#1| .cse9) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (= (select .cse0 (+ (- 1) |ULTIMATE.start_main_~length2~0#1|)) 0)))))) is different from true [2022-11-23 15:46:11,479 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 514 DAG size of output: 484 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:22,252 WARN L233 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 469 DAG size of output: 439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:31,975 WARN L233 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 465 DAG size of output: 432 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:32,325 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 13)) (.cse83 (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse2 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse5 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse11 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9)) (.cse7 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse0 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse66 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 12)) (.cse13 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10)) (.cse1 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse84 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 14)) (.cse8 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse10 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse9 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 11)) (.cse6 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4))) (let ((.cse26 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse27 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (.cse28 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (.cse29 (<= .cse84 .cse8)) (.cse30 (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (.cse31 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0))) (.cse32 (not (<= 0 .cse66))) (.cse33 (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (.cse34 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (.cse35 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0))) (.cse36 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse66) 0))) (.cse37 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (.cse38 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (.cse54 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (.cse55 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse56 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0))) (.cse57 (not (<= 0 .cse11))) (.cse58 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (.cse59 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (.cse60 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (.cse61 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (.cse62 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0))) (.cse63 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (.cse64 (<= .cse9 .cse8)) (.cse17 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse18 (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5)))) (.cse19 (not (<= 0 .cse10))) (.cse20 (<= .cse11 .cse8)) (.cse21 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (.cse22 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (.cse23 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0))) (.cse24 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (.cse25 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (.cse65 (= (select .cse83 .cse4) 0)) (.cse14 (<= .cse0 .cse8)) (.cse15 (not (<= 0 .cse4))) (.cse67 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (.cse68 (not (<= 0 .cse84))) (.cse3 (= |c_ULTIMATE.start_cstpcpy_#t~mem4#1| 0)) (.cse69 (forall ((v_ArrVal_299 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_299) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (.cse70 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0))) (.cse71 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0))) (.cse72 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0))) (.cse73 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse66) 0))) (.cse74 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (.cse75 (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (.cse76 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (.cse77 (<= (+ 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse8)) (.cse78 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse84) 0))) (.cse79 (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (.cse80 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (.cse81 (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse82 (forall ((v_ArrVal_298 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_298) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4)))) (.cse16 (= (select .cse83 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse39 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse66) 0))) (.cse40 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0))) (.cse41 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (.cse42 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0))) (.cse43 (forall ((v_ArrVal_299 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_299) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0))) (.cse44 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (.cse45 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (.cse46 (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (.cse47 (not (<= 0 .cse12))) (.cse48 (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (.cse49 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0))) (.cse50 (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (.cse51 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (.cse52 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (.cse53 (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 15) .cse8))) (and (or (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) .cse3 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (<= .cse7 .cse8) (not (<= 0 .cse2))) (or (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse3 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (<= .cse12 .cse8) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_302 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1))) (not (<= 0 .cse9)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0))) (or .cse3 .cse14 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse15) (or (not (<= 0 .cse1)) .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= .cse6 .cse8) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (or .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (or .cse26 .cse27 .cse3 (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38) (or (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= .cse10 .cse8) (not (<= 0 .cse5)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (or (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (not (<= 0 .cse6)) (<= .cse2 .cse8) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (or (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) .cse3 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse7)) (<= .cse13 .cse8) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (or .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (<= .cse5 .cse8)) (or .cse3 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53) (or .cse54 .cse3 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60 .cse61 .cse62 .cse63 .cse64) (or .cse26 .cse65 .cse27 .cse3 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38) (or .cse16 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60 .cse61 .cse62 .cse63 .cse64) (or (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) .cse3 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (<= .cse66 .cse8) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (not (<= 0 .cse13)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse13) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (<= .cse4 .cse8) (or .cse67 .cse16 .cse68 .cse69 .cse70 .cse71 .cse72 .cse73 .cse74 .cse75 .cse76 .cse77 .cse78 .cse79 .cse80 .cse81 .cse82) (= 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse3 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (or .cse3 (<= .cse1 .cse8)) (or .cse65 .cse3 .cse14 .cse15) (or .cse67 .cse68 .cse3 .cse69 .cse70 .cse71 .cse72 .cse73 .cse74 .cse75 .cse76 .cse77 .cse78 .cse79 .cse80 .cse81 .cse82) (or .cse16 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53) (<= 15 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)))) is different from false [2022-11-23 15:46:40,477 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 416 DAG size of output: 388 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:47,738 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 415 DAG size of output: 384 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:46:48,121 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse95 (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse128 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 13)) (.cse124 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse126 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9)) (.cse131 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse134 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 12)) (.cse132 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10)) (.cse133 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse123 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 11)) (.cse127 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse130 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse48 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse129 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse125 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse96 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1))) (let ((.cse42 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse43 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse44 (not (<= 0 .cse129))) (.cse45 (<= .cse130 .cse48)) (.cse46 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse47 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse59 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse60 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse123) 0))) (.cse61 (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse62 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse63 (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 14) .cse48)) (.cse64 (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse65 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse132) 0))) (.cse66 (not (<= 0 .cse134))) (.cse67 (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse68 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse131) 0))) (.cse69 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse126) 0))) (.cse70 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse134) 0))) (.cse71 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse72 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse73 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse74 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse75 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse76 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse77 (<= .cse133 .cse48)) (.cse78 (not (<= 0 .cse124))) (.cse79 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse80 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse81 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse82 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse83 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse84 (not (<= 0 .cse131))) (.cse85 (<= .cse132 .cse48)) (.cse86 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse87 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse88 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse89 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse131) 0))) (.cse22 (<= .cse125 .cse48)) (.cse23 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse24 (not (<= 0 .cse96))) (.cse90 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse91 (not (<= 0 .cse125))) (.cse92 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse93 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse94 (<= .cse124 .cse48)) (.cse112 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse113 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse114 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse115 (not (<= 0 .cse126))) (.cse116 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse117 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse118 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse131) 0))) (.cse119 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse120 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse126) 0))) (.cse121 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse122 (<= .cse123 .cse48)) (.cse25 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse27 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse28 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse131) 0))) (.cse29 (<= .cse134 .cse48)) (.cse30 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse126) 0))) (.cse31 (not (<= 0 .cse132))) (.cse32 (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse33 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse34 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse132) 0))) (.cse35 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse36 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse37 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse50 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse51 (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124)))) (.cse52 (not (<= 0 .cse133))) (.cse53 (<= .cse126 .cse48)) (.cse54 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse55 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse56 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse57 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse58 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse38 (not (<= 0 .cse127))) (.cse39 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse40 (<= .cse129 .cse48)) (.cse41 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse3 (= |c_ULTIMATE.start_cstpcpy_#t~mem4#1| 0)) (.cse49 (<= .cse127 .cse48)) (.cse9 (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse10 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse123) 0))) (.cse11 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse12 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse131) 0))) (.cse13 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse14 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse126) 0))) (.cse15 (<= .cse128 .cse48)) (.cse16 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse17 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse132) 0))) (.cse18 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse19 (forall ((v_ArrVal_302 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127)))) (.cse20 (not (<= 0 .cse123))) (.cse21 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse1 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse2 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse4 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse5 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse6 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse7 (<= .cse131 .cse48)) (.cse8 (not (<= 0 .cse130))) (.cse26 (= (select .cse95 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse97 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse134) 0))) (.cse98 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse128) 0))) (.cse99 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse133) 0))) (.cse100 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse132) 0))) (.cse101 (forall ((v_ArrVal_299 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_299) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse96) 0))) (.cse102 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse131) 0))) (.cse103 (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse130) 0))) (.cse104 (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse129) 0))) (.cse105 (not (<= 0 .cse128))) (.cse106 (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse127) 0))) (.cse107 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse126) 0))) (.cse108 (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse125) 0))) (.cse109 (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse124) 0))) (.cse110 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse123) 0))) (.cse111 (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 15) .cse48))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse3 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) (or .cse3 .cse22 .cse23 .cse24) (or .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (or .cse38 .cse3 .cse39 .cse40 .cse41) (or .cse26 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47) (or .cse26 (<= .cse48 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse49) (or .cse26 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58) (or .cse59 .cse60 .cse3 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 .cse69 .cse70 .cse71 .cse72) (or .cse73 .cse3 .cse74 .cse75 .cse76 .cse77 .cse78 .cse79) (or .cse42 .cse3 .cse43 .cse44 .cse45 .cse46 .cse47) (or .cse59 .cse26 .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 .cse69 .cse70 .cse71 .cse72) (<= 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse80 .cse3 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89) (or .cse26 .cse73 .cse74 .cse75 .cse76 .cse77 .cse78 .cse79) (or .cse3 .cse90 .cse91 .cse92 .cse93 .cse94) (or .cse80 .cse26 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89) (or (= (select .cse95 .cse96) 0) .cse3 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse57 .cse58) (or .cse3 .cse97 .cse98 .cse99 .cse100 .cse101 .cse102 .cse103 .cse104 .cse105 .cse106 .cse107 .cse108 .cse109 .cse110 .cse111) (or .cse26 .cse22 .cse23 .cse24) (or .cse26 .cse90 .cse91 .cse92 .cse93 .cse94) (or .cse112 .cse3 .cse113 .cse114 .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122) (or .cse26 (not (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) .cse49) (or .cse26 .cse112 .cse113 .cse114 .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122) (or .cse25 .cse27 .cse3 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (<= .cse96 .cse48) (or .cse3 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58) (or .cse38 .cse26 .cse39 .cse40 .cse41) (or .cse3 .cse49) (or .cse9 .cse26 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) (or .cse26 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse26 .cse97 .cse98 .cse99 .cse100 .cse101 .cse102 .cse103 .cse104 .cse105 .cse106 .cse107 .cse108 .cse109 .cse110 .cse111) (<= 15 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)))) is different from false [2022-11-23 15:46:54,905 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse5 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (let ((.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 12)) (.cse13 (<= .cse10 .cse5)) (.cse11 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9)) (.cse7 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10)) (.cse14 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 11)) (.cse1 (= (select (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|) |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse0 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse8 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse2 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse12 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse3 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse9 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6))) (and (or (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) .cse1 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (<= .cse4 .cse5) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (not (<= 0 .cse7)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0))) (or .cse1 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (not (<= 0 .cse12)) (<= .cse9 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (or .cse1 (<= .cse5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse13) (or .cse1 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2))) (not (<= 0 .cse11)) (<= .cse6 .cse5) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0))) (or (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) .cse1 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_300 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_300) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 14) .cse5) (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (not (<= 0 .cse4)) (forall ((v_ArrVal_302 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (<= 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse1 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (<= .cse11 .cse5) (not (<= 0 .cse2)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (or (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) .cse1 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (not (<= 0 .cse3)) (<= .cse7 .cse5) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0))) (or .cse1 (<= .cse0 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (not (<= 0 .cse8))) (or .cse1 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (not (<= 0 .cse0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (<= .cse2 .cse5)) (or .cse1 (not (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) .cse13) (or .cse1 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (not (<= 0 .cse6)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (<= .cse14 .cse5)) (<= .cse8 .cse5) (or (not (<= 0 .cse10)) .cse1 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (<= .cse12 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (or (forall ((v_ArrVal_301 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_301) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) .cse1 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse14) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 13) .cse5) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_302 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_302) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10))) (not (<= 0 .cse14)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (or .cse1 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse12) 0)) (<= .cse3 .cse5) (not (<= 0 .cse9))) (<= 15 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)))) is different from false [2022-11-23 15:47:22,606 WARN L233 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 341 DAG size of output: 312 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:40,325 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 297 DAG size of output: 268 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:44,162 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse5 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (let ((.cse7 (<= .cse6 .cse5)) (.cse9 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse10 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9)) (.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|) |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse2 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse1 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse8 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse3 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse11 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6))) (and (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (not (<= 0 .cse3)) (<= .cse4 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (or .cse0 (<= .cse5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse7) (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8))) (not (<= 0 .cse9)) (<= .cse10 .cse5) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (<= 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse0 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (<= .cse9 .cse5) (not (<= 0 .cse8)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (or (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse0 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (not (<= 0 .cse11)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10) .cse5) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0))) (or .cse0 (<= .cse2 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse1))) (or .cse0 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (not (<= 0 .cse2)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (<= .cse8 .cse5)) (or .cse0 (not (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) .cse7) (or .cse0 (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse10)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse11) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 11) .cse5)) (<= .cse1 .cse5) (or (not (<= 0 .cse6)) .cse0 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (<= .cse3 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (<= .cse11 .cse5) (not (<= 0 .cse4))) (<= 15 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)))) is different from false [2022-11-23 15:47:44,182 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse5 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse10 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9)) (.cse0 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse2 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse9 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse3 (= |c_ULTIMATE.start_cstpcpy_#t~mem4#1| 0)) (.cse1 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse8 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (and (or (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) .cse3 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (<= .cse7 .cse8) (not (<= 0 .cse2))) (or .cse3 (<= .cse0 .cse8) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (not (<= 0 .cse4))) (or (not (<= 0 .cse1)) .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= .cse6 .cse8) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (or (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (<= .cse9 .cse8) (not (<= 0 .cse5)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0))) (or (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (not (<= 0 .cse6)) (<= .cse2 .cse8) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0))) (or (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) .cse3 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse7)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10) .cse8) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0))) (or .cse3 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (<= .cse5 .cse8)) (or (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) .cse3 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_303 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_303) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (not (<= 0 .cse10)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 11) .cse8)) (or .cse3 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse5))) (not (<= 0 .cse9)) (<= .cse10 .cse8) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse0) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (or .cse3 (<= .cse1 .cse8)) (<= 15 |c_ULTIMATE.start_cstpcpy_~from#1.offset|))) is different from false [2022-11-23 15:47:47,273 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse5 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|))) (let ((.cse9 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse7 (<= .cse6 .cse5)) (.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|) |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse2 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse1 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse8 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse3 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse10 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6))) (and (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (not (<= 0 .cse3)) (<= .cse4 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (or .cse0 (<= .cse5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse7) (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8))) (not (<= 0 .cse9)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9) .cse5) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0))) (<= 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse0 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (<= .cse9 .cse5) (not (<= 0 .cse8)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (or (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) .cse0 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (not (<= 0 .cse10)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 10) .cse5) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse9) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_305 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_305) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse10) 0))) (or .cse0 (<= .cse2 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse1))) (or .cse0 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (not (<= 0 .cse2)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (<= .cse8 .cse5)) (or .cse0 (not (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) .cse7) (<= .cse1 .cse5) (or (not (<= 0 .cse6)) .cse0 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (<= .cse3 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (<= .cse10 .cse5) (not (<= 0 .cse4))) (<= 15 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)))) is different from false [2022-11-23 15:47:54,415 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse8 (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|) |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse2 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3)) (.cse6 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse1 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (.cse7 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse3 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse5 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse4 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6))) (and (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (not (<= 0 .cse3)) (<= .cse4 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7))) (not (<= 0 .cse8)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 9) .cse5) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_306 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_306) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse8) 0))) (<= 16 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) (or .cse0 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (<= .cse8 .cse5) (not (<= 0 .cse7)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0))) (or .cse0 (<= .cse2 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (not (<= 0 .cse1))) (or .cse0 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (not (<= 0 .cse2)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (<= .cse7 .cse5)) (or .cse0 (not (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (<= .cse6 .cse5)) (<= .cse1 .cse5) (or (not (<= 0 .cse6)) .cse0 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (<= .cse3 .cse5) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0))) (or .cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse2) 0)) (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse6) 0)) (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse4) 0)) (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse1) 0)) (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse7) 0)) (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse3) 0)) (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8) .cse5) (not (<= 0 .cse4))))) is different from false [2022-11-23 15:48:01,351 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse38 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 1))) (let ((.cse40 (select |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse37 (<= 0 .cse38)) (.cse43 (+ 5 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse44 (+ 2 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse41 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 6)) (.cse39 (select |c_#length| |c_ULTIMATE.start_cstpcpy_~from#1.base|)) (.cse42 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 4)) (.cse45 (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 3))) (let ((.cse18 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse38) 0))) (.cse19 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse45) 0))) (.cse20 (not (<= 0 .cse42))) (.cse21 (<= .cse41 .cse39)) (.cse22 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse42) 0))) (.cse23 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse44) 0))) (.cse24 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse43) 0))) (.cse25 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse42) 0))) (.cse26 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse44) 0))) (.cse27 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse38) 0))) (.cse28 (<= (+ 7 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) .cse39)) (.cse29 (not (<= 0 .cse43))) (.cse30 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse45) 0))) (.cse10 (<= .cse45 .cse39)) (.cse11 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse38) 0))) (.cse12 (not .cse37)) (.cse33 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse38) 0))) (.cse9 (<= 0 |c_ULTIMATE.start_cstpcpy_~from#1.offset|)) (.cse36 (<= .cse44 .cse39)) (.cse3 (= |c_ULTIMATE.start_cstpcpy_#t~mem4#1| 0)) (.cse31 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse44) 0))) (.cse32 (not (<= 0 .cse45))) (.cse34 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse45) 0))) (.cse35 (<= .cse43 .cse39)) (.cse13 (not (<= 0 .cse44))) (.cse14 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse38) 0))) (.cse15 (<= .cse42 .cse39)) (.cse16 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse44) 0))) (.cse17 (= (select .cse40 |c_ULTIMATE.start_cstpcpy_~from#1.offset|) 0)) (.cse0 (forall ((v_ArrVal_310 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_310) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse45) 0))) (.cse1 (forall ((v_ArrVal_309 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_309) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse44) 0))) (.cse2 (forall ((v_ArrVal_313 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_313) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse41) 0))) (.cse4 (forall ((v_ArrVal_308 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_308) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse38) 0))) (.cse5 (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_312) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse43) 0))) (.cse6 (forall ((v_ArrVal_311 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstpcpy_~to#1.base| v_ArrVal_311) |c_ULTIMATE.start_cstpcpy_~from#1.base|) .cse42) 0))) (.cse7 (<= (+ |c_ULTIMATE.start_cstpcpy_~from#1.offset| 8) .cse39)) (.cse8 (not (<= 0 .cse41)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (or .cse3 .cse10 .cse11 .cse12) (or .cse13 .cse3 .cse14 .cse15 .cse16) (or .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse24 .cse3 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (or .cse18 .cse3 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse17 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (or .cse3 .cse31 .cse32 .cse33 .cse34 .cse35) (or .cse17 .cse10 .cse11 .cse12) (or .cse17 .cse31 .cse32 .cse33 .cse34 .cse35) (or .cse17 (not .cse9) .cse36) (or .cse3 (and .cse37 .cse36)) (<= .cse38 .cse39) (or (= (select .cse40 .cse38) 0) .cse3 .cse31 .cse32 .cse34 .cse35) (or .cse13 .cse17 .cse14 .cse15 .cse16) (or .cse17 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8))))) is different from false [2022-11-23 15:48:21,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 15:48:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:31,035 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2022-11-23 15:48:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-23 15:48:31,036 INFO L78 Accepts]: Start accepts. Automaton has has 104 states, 103 states have (on average 1.4951456310679612) internal successors, (154), 104 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-23 15:48:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:31,037 INFO L225 Difference]: With dead ends: 101 [2022-11-23 15:48:31,037 INFO L226 Difference]: Without dead ends: 101 [2022-11-23 15:48:31,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 6456 ImplicationChecksByTransitivity, 196.1s TimeCoverageRelationStatistics Valid=4010, Invalid=27014, Unknown=874, NotChecked=3258, Total=35156 [2022-11-23 15:48:31,047 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 397 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 658 mSolverCounterUnsat, 247 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 247 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:31,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 3 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 2943 Invalid, 247 Unknown, 9 Unchecked, 20.5s Time] [2022-11-23 15:48:31,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-23 15:48:31,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-23 15:48:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.01) internal successors, (101), 100 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2022-11-23 15:48:31,055 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 52 [2022-11-23 15:48:31,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:31,056 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2022-11-23 15:48:31,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 103 states have (on average 1.4951456310679612) internal successors, (154), 104 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2022-11-23 15:48:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-23 15:48:31,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:31,059 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1] [2022-11-23 15:48:31,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:48:31,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:31,268 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:48:31,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:31,268 INFO L85 PathProgramCache]: Analyzing trace with hash 975356549, now seen corresponding path program 6 times [2022-11-23 15:48:31,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:31,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771650203] [2022-11-23 15:48:31,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:31,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:40,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:40,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771650203] [2022-11-23 15:48:40,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771650203] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:48:40,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556164889] [2022-11-23 15:48:40,873 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 15:48:40,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:48:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:40,875 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:48:40,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:48:42,449 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 15:48:42,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:48:42,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 349 conjunts are in the unsatisfiable core [2022-11-23 15:48:42,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:42,510 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 15:48:42,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-23 15:48:42,517 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 10 treesize of output 8 [2022-11-23 15:48:42,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:48:43,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-23 15:48:43,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2022-11-23 15:48:44,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-11-23 15:48:44,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2022-11-23 15:48:45,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2022-11-23 15:48:45,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 53 [2022-11-23 15:48:46,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2022-11-23 15:48:46,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 65 [2022-11-23 15:48:47,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 71 [2022-11-23 15:48:48,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 79 [2022-11-23 15:48:49,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 83 [2022-11-23 15:48:49,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 91 [2022-11-23 15:48:50,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 95 [2022-11-23 15:48:51,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 101 [2022-11-23 15:48:52,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 109 [2022-11-23 15:48:53,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 117 [2022-11-23 15:48:55,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 125 [2022-11-23 15:48:56,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 133 [2022-11-23 15:48:57,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 131 [2022-11-23 15:48:58,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 139 [2022-11-23 15:48:59,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 147 [2022-11-23 15:49:01,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 155 [2022-11-23 15:49:02,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 155 [2022-11-23 15:49:04,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 163 [2022-11-23 15:49:05,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 167 [2022-11-23 15:49:07,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 175 [2022-11-23 15:49:09,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 179 [2022-11-23 15:49:10,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 185 [2022-11-23 15:49:12,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 193 [2022-11-23 15:49:14,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 201 [2022-11-23 15:49:16,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 209 [2022-11-23 15:49:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:18,652 INFO L217 Elim1Store]: Index analysis took 218 ms [2022-11-23 15:49:19,104 INFO L321 Elim1Store]: treesize reduction 124, result has 53.2 percent of original size [2022-11-23 15:49:19,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 33 select indices, 33 select index equivalence classes, 496 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 32 case distinctions, treesize of input 273 treesize of output 271 [2022-11-23 15:49:19,124 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 32 dual juncts. [2022-11-23 15:49:19,125 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Requested array size exceeds VM limit [2022-11-23 15:49:19,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [16109062] [2022-11-23 15:49:19,127 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:49:19,127 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:49:19,127 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:49:19,127 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:49:19,127 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:49:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:19,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-23 15:49:19,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:49:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:49:19,247 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 15:49:19,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-23 15:49:19,341 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:49:19,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:49:19,400 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-23 15:49:19,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 15:49:19,412 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:49:23,021 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2441#(and (<= 0 |ULTIMATE.start_cstpcpy_~to#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.offset|) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.offset|) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.base|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.offset|) (<= 0 |ULTIMATE.start_main_~nondetArea~0#1.base|) (< (select |#length| |ULTIMATE.start_cstpcpy_~from#1.base|) (+ |ULTIMATE.start_cstpcpy_~from#1.offset| 1)) (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.base|) (<= 0 |ULTIMATE.start_main_#t~malloc8#1.base|) (<= 0 |ULTIMATE.start_cstpcpy_~to#1.offset|) (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= 0 |ULTIMATE.start_main_~nondetString~0#1.offset|) (<= |ULTIMATE.start_main_~length1~0#1| 2147483647) (<= |ULTIMATE.start_cstpcpy_#in~to#1.offset| 0) (<= 0 |ULTIMATE.start_main_#t~malloc7#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_~from#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_cstpcpy_#in~from#1.offset| 0) (<= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (<= 0 |ULTIMATE.start_cstpcpy_#in~to#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) (<= 0 |ULTIMATE.start_cstpcpy_#in~from#1.base|) (= |#NULL.base| 0))' at error location [2022-11-23 15:49:23,021 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:49:23,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:49:23,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2022-11-23 15:49:23,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40969940] [2022-11-23 15:49:23,022 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-23 15:49:23,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-23 15:49:23,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:23,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-23 15:49:23,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=11512, Unknown=0, NotChecked=0, Total=11772 [2022-11-23 15:49:23,025 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand has 38 states, 37 states have (on average 2.7027027027027026) internal successors, (100), 37 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:37,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:37,792 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2022-11-23 15:49:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-23 15:49:37,793 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.7027027027027026) internal successors, (100), 37 states have internal predecessors, (100), 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 100 [2022-11-23 15:49:37,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:37,794 INFO L225 Difference]: With dead ends: 106 [2022-11-23 15:49:37,794 INFO L226 Difference]: Without dead ends: 106 [2022-11-23 15:49:37,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2979 ImplicationChecksByTransitivity, 41.8s TimeCoverageRelationStatistics Valid=471, Invalid=20121, Unknown=0, NotChecked=0, Total=20592 [2022-11-23 15:49:37,800 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 212 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3505 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:37,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 0 Invalid, 3506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3505 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-23 15:49:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-23 15:49:37,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2022-11-23 15:49:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.0097087378640777) internal successors, (104), 103 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2022-11-23 15:49:37,809 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 100 [2022-11-23 15:49:37,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:37,810 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2022-11-23 15:49:37,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.7027027027027026) internal successors, (100), 37 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2022-11-23 15:49:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-23 15:49:37,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:37,812 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1] [2022-11-23 15:49:37,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:49:38,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 15:49:38,024 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-11-23 15:49:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1393164677, now seen corresponding path program 7 times [2022-11-23 15:49:38,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:38,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730731473] [2022-11-23 15:49:38,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:38,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:46,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:46,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730731473] [2022-11-23 15:49:46,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730731473] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:49:46,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9206741] [2022-11-23 15:49:46,536 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 15:49:46,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:49:46,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:49:46,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:49:46,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_103a0fa1-8dfa-4785-a6b2-845ee464dfe2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:49:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:46,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 353 conjunts are in the unsatisfiable core [2022-11-23 15:49:46,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:49:46,909 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 10 treesize of output 8 [2022-11-23 15:49:47,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:49:47,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2022-11-23 15:49:52,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-11-23 15:50:00,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2022-11-23 15:50:08,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2022-11-23 15:50:33,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2022-11-23 15:50:51,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 64 [2022-11-23 15:51:24,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 72 [2022-11-23 15:51:54,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 80 [2022-11-23 15:52:41,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 88 [2022-11-23 15:53:16,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 96 [2022-11-23 15:54:08,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 104 [2022-11-23 15:54:49,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 112 [2022-11-23 15:56:01,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 120