./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list_search-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-properties/list_search-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef935aaf7590747bfbe771bbb249e6b84337edbf0e97024d9de82d0d23d44f30 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:09:16,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:09:16,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:09:16,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:09:16,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:09:16,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:09:16,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:09:16,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:09:16,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:09:16,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:09:16,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:09:16,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:09:16,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:09:16,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:09:16,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:09:16,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:09:16,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:09:16,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:09:16,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:09:16,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:09:16,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:09:16,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:09:16,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:09:16,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:09:16,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:09:16,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:09:16,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:09:16,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:09:16,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:09:16,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:09:16,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:09:16,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:09:16,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:09:16,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:09:16,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:09:16,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:09:16,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:09:16,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:09:16,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:09:16,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:09:16,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:09:16,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:09:16,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:09:16,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:09:16,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:09:16,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:09:16,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:09:16,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:09:16,168 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:09:16,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:09:16,169 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:09:16,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:09:16,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:09:16,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:09:16,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:09:16,170 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:09:16,170 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:09:16,171 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:09:16,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:09:16,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:09:16,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:09:16,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:09:16,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:09:16,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:09:16,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:09:16,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:09:16,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:09:16,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:09:16,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:09:16,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:09:16,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:09:16,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:09:16,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:09:16,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:09:16,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:09:16,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:09:16,176 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:09:16,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:09:16,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:09:16,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:09:16,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:09:16,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:09:16,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:09:16,177 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_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef935aaf7590747bfbe771bbb249e6b84337edbf0e97024d9de82d0d23d44f30 [2022-11-19 07:09:16,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:09:16,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:09:16,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:09:16,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:09:16,507 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:09:16,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/list-properties/list_search-1.i [2022-11-19 07:09:16,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/data/8af2e7550/8e7335fa52f34ff2a2eb0560a912f6fb/FLAGc693f1230 [2022-11-19 07:09:17,247 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:09:17,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/sv-benchmarks/c/list-properties/list_search-1.i [2022-11-19 07:09:17,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/data/8af2e7550/8e7335fa52f34ff2a2eb0560a912f6fb/FLAGc693f1230 [2022-11-19 07:09:17,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/data/8af2e7550/8e7335fa52f34ff2a2eb0560a912f6fb [2022-11-19 07:09:17,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:09:17,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:09:17,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:09:17,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:09:17,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:09:17,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:17" (1/1) ... [2022-11-19 07:09:17,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369d3c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:17, skipping insertion in model container [2022-11-19 07:09:17,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:17" (1/1) ... [2022-11-19 07:09:17,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:09:17,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:09:17,856 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/sv-benchmarks/c/list-properties/list_search-1.i[813,826] [2022-11-19 07:09:17,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:09:17,991 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:09:18,003 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/sv-benchmarks/c/list-properties/list_search-1.i[813,826] [2022-11-19 07:09:18,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:09:18,057 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:09:18,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18 WrapperNode [2022-11-19 07:09:18,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:09:18,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:09:18,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:09:18,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:09:18,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,133 INFO L138 Inliner]: procedures = 125, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-11-19 07:09:18,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:09:18,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:09:18,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:09:18,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:09:18,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:09:18,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:09:18,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:09:18,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:09:18,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (1/1) ... [2022-11-19 07:09:18,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:09:18,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:18,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:09:18,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:09:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:09:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:09:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:09:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:09:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:09:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:09:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2022-11-19 07:09:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2022-11-19 07:09:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:09:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:09:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:09:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:09:18,470 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:09:18,472 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:09:18,672 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:09:18,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:09:18,722 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:09:18,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:18 BoogieIcfgContainer [2022-11-19 07:09:18,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:09:18,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:09:18,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:09:18,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:09:18,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:09:17" (1/3) ... [2022-11-19 07:09:18,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da958f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:18, skipping insertion in model container [2022-11-19 07:09:18,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:18" (2/3) ... [2022-11-19 07:09:18,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da958f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:18, skipping insertion in model container [2022-11-19 07:09:18,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:18" (3/3) ... [2022-11-19 07:09:18,737 INFO L112 eAbstractionObserver]: Analyzing ICFG list_search-1.i [2022-11-19 07:09:18,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:09:18,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:09:18,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:09:18,825 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d5a33da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:09:18,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:09:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:09:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 07:09:18,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:18,840 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:18,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:18,847 INFO L85 PathProgramCache]: Analyzing trace with hash -752562995, now seen corresponding path program 1 times [2022-11-19 07:09:18,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:18,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716260777] [2022-11-19 07:09:18,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:18,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 07:09:19,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:19,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716260777] [2022-11-19 07:09:19,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716260777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:19,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:19,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:09:19,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769922163] [2022-11-19 07:09:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:19,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:09:19,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:19,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:09:19,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:09:19,275 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:09:19,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:19,335 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2022-11-19 07:09:19,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:09:19,339 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 21 [2022-11-19 07:09:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:19,348 INFO L225 Difference]: With dead ends: 27 [2022-11-19 07:09:19,348 INFO L226 Difference]: Without dead ends: 17 [2022-11-19 07:09:19,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:09:19,356 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:19,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:09:19,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-19 07:09:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-19 07:09:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:09:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-19 07:09:19,402 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 21 [2022-11-19 07:09:19,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:19,404 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-19 07:09:19,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:09:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-19 07:09:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 07:09:19,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:19,408 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:19,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:09:19,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:19,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:19,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1816155239, now seen corresponding path program 1 times [2022-11-19 07:09:19,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:19,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408224829] [2022-11-19 07:09:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:19,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:09:20,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:20,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408224829] [2022-11-19 07:09:20,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408224829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:20,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:20,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:09:20,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39596868] [2022-11-19 07:09:20,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:20,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:09:20,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:09:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:09:20,615 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:09:20,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:20,890 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-11-19 07:09:20,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:09:20,891 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2022-11-19 07:09:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:20,894 INFO L225 Difference]: With dead ends: 25 [2022-11-19 07:09:20,897 INFO L226 Difference]: Without dead ends: 21 [2022-11-19 07:09:20,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:09:20,904 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:20,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 39 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:09:20,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-19 07:09:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-11-19 07:09:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:09:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-19 07:09:20,913 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 22 [2022-11-19 07:09:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:20,913 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-19 07:09:20,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:09:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-19 07:09:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:09:20,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:20,915 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:20,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:09:20,920 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:20,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1507807578, now seen corresponding path program 1 times [2022-11-19 07:09:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:20,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652947263] [2022-11-19 07:09:20,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:09:22,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:22,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652947263] [2022-11-19 07:09:22,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652947263] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:09:22,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013164702] [2022-11-19 07:09:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:22,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:22,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:09:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:22,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-19 07:09:22,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:23,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:09:23,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:23,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:23,234 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-19 07:09:23,240 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 6 treesize of output 5 [2022-11-19 07:09:23,248 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-19 07:09:23,253 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 6 treesize of output 5 [2022-11-19 07:09:23,294 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 6 treesize of output 5 [2022-11-19 07:09:23,306 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 6 treesize of output 5 [2022-11-19 07:09:23,464 INFO L321 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2022-11-19 07:09:23,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 07:09:23,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-11-19 07:09:23,644 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 35 treesize of output 19 [2022-11-19 07:09:23,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-19 07:09:23,715 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-11-19 07:09:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:09:23,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:09:24,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:24,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 39 treesize of output 51 [2022-11-19 07:09:24,675 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:24,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 39 treesize of output 51 [2022-11-19 07:09:24,769 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 9 treesize of output 1 [2022-11-19 07:09:24,784 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-19 07:09:24,822 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 9 treesize of output 1 [2022-11-19 07:09:24,862 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:24,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-19 07:09:24,879 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 8 treesize of output 4 [2022-11-19 07:09:24,894 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 56 treesize of output 44 [2022-11-19 07:09:24,933 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:24,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-19 07:09:24,949 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 8 treesize of output 4 [2022-11-19 07:09:24,955 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 68 treesize of output 52 [2022-11-19 07:09:28,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013164702] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:09:28,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [451802999] [2022-11-19 07:09:28,751 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-19 07:09:28,751 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:09:28,755 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:09:28,761 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:09:28,762 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:09:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:28,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 129 [2022-11-19 07:09:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:28,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 120 [2022-11-19 07:09:28,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:28,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 98 [2022-11-19 07:09:28,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2022-11-19 07:09:28,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 114 [2022-11-19 07:09:28,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 21 treesize of output 37 [2022-11-19 07:09:29,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2022-11-19 07:09:29,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 132 [2022-11-19 07:09:29,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 21 treesize of output 37 [2022-11-19 07:09:29,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 12 [2022-11-19 07:09:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:29,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2022-11-19 07:09:29,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 128 [2022-11-19 07:09:29,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2022-11-19 07:09:29,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:09:29,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:09:29,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2022-11-19 07:09:29,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:09:29,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:09:29,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:09:29,773 INFO L197 IcfgInterpreter]: Interpreting procedure insert_list with input of size 76 for LOIs [2022-11-19 07:09:29,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:09:29,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:09:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:29,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:09:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:29,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:29,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:30,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:09:30,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:30,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:30,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:30,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:30,125 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:09:31,376 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '288#(and (<= 2 |ULTIMATE.start_search_list_~k#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~temp~0#1.base|) |ULTIMATE.start_main_~temp~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1|) (= |ULTIMATE.start_main_~temp~0#1.offset| |ULTIMATE.start_search_list_#res#1.offset|) (<= |ULTIMATE.start_search_list_#in~l#1.offset| 0) (<= |ULTIMATE.start_search_list_~k#1| 2) (= ~head~0.offset 0) (= |ULTIMATE.start_search_list_#res#1.base| |ULTIMATE.start_search_list_~l#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_search_list_#in~l#1.offset|) (= |ULTIMATE.start_search_list_#res#1.base| |ULTIMATE.start_main_~temp~0#1.base|) (= |ULTIMATE.start_search_list_#res#1.offset| |ULTIMATE.start_search_list_~l#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_search_list_#in~k#1| 2) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem12#1| 1) 1 0)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:09:31,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:09:31,377 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:09:31,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2022-11-19 07:09:31,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807919553] [2022-11-19 07:09:31,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:09:31,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-19 07:09:31,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:31,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-19 07:09:31,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1155, Unknown=0, NotChecked=0, Total=1260 [2022-11-19 07:09:31,379 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 19 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 4 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-19 07:09:31,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:31,899 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-11-19 07:09:31,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:09:31,899 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 4 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 24 [2022-11-19 07:09:31,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:31,900 INFO L225 Difference]: With dead ends: 28 [2022-11-19 07:09:31,900 INFO L226 Difference]: Without dead ends: 24 [2022-11-19 07:09:31,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=164, Invalid=1642, Unknown=0, NotChecked=0, Total=1806 [2022-11-19 07:09:31,902 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 15 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:31,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 107 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 15 Unchecked, 0.2s Time] [2022-11-19 07:09:31,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-19 07:09:31,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-19 07:09:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:09:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-19 07:09:31,910 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 24 [2022-11-19 07:09:31,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:31,910 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-19 07:09:31,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 4 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-19 07:09:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-19 07:09:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:09:31,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:31,912 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:31,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:32,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 07:09:32,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:32,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1538448781, now seen corresponding path program 2 times [2022-11-19 07:09:32,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:32,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135766991] [2022-11-19 07:09:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:32,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:09:35,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:35,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135766991] [2022-11-19 07:09:35,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135766991] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:09:35,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335531809] [2022-11-19 07:09:35,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:09:35,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:35,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:35,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:09:35,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-19 07:09:35,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:09:35,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 108 conjunts are in the unsatisfiable core [2022-11-19 07:09:35,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:35,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:09:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:35,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 77 [2022-11-19 07:09:35,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 73 [2022-11-19 07:09:35,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 67 [2022-11-19 07:09:36,180 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 6 treesize of output 5 [2022-11-19 07:09:36,184 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 6 treesize of output 5 [2022-11-19 07:09:36,192 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-19 07:09:36,196 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 6 treesize of output 5 [2022-11-19 07:09:36,204 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-19 07:09:36,209 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 6 treesize of output 5 [2022-11-19 07:09:36,437 INFO L321 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-11-19 07:09:36,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2022-11-19 07:09:36,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-11-19 07:09:36,616 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-19 07:09:36,624 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-19 07:09:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:36,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2022-11-19 07:09:36,884 INFO L321 Elim1Store]: treesize reduction 31, result has 48.3 percent of original size [2022-11-19 07:09:36,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 40 [2022-11-19 07:09:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:36,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-11-19 07:09:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:36,931 INFO L321 Elim1Store]: treesize reduction 4, result has 77.8 percent of original size [2022-11-19 07:09:36,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 24 [2022-11-19 07:09:37,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:09:37,376 INFO L321 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-11-19 07:09:37,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 57 [2022-11-19 07:09:37,393 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-19 07:09:37,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 07:09:37,469 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-11-19 07:09:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:09:37,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:09:38,618 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,618 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 14 [2022-11-19 07:09:38,633 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,634 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 14 [2022-11-19 07:09:38,641 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-19 07:09:38,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,648 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 14 [2022-11-19 07:09:38,681 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,681 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 87 [2022-11-19 07:09:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:38,784 INFO L321 Elim1Store]: treesize reduction 22, result has 59.3 percent of original size [2022-11-19 07:09:38,784 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 140 treesize of output 143 [2022-11-19 07:09:38,807 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 6 treesize of output 4 [2022-11-19 07:09:38,945 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,946 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2022-11-19 07:09:38,957 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,958 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-11-19 07:09:38,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:09:38,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:09:38,988 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:38,988 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 2 case distinctions, treesize of input 30 treesize of output 28 [2022-11-19 07:09:39,003 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:39,004 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2022-11-19 07:09:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:39,039 INFO L321 Elim1Store]: treesize reduction 25, result has 56.9 percent of original size [2022-11-19 07:09:39,039 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 2 case distinctions, treesize of input 83 treesize of output 90 [2022-11-19 07:09:39,059 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 6 treesize of output 4 [2022-11-19 07:09:39,137 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:39,138 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 50 [2022-11-19 07:09:39,165 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:39,165 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 87 [2022-11-19 07:09:39,251 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:39,251 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 90 [2022-11-19 07:09:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:44,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2022-11-19 07:09:44,224 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:44,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2022-11-19 07:09:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:44,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-19 07:09:44,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:09:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:44,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-19 07:09:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:45,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2022-11-19 07:09:45,082 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:45,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2022-11-19 07:09:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:45,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-19 07:09:45,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:09:47,871 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse6 (= c_~head~0.base 0))) (let ((.cse0 (= c_~head~0.offset 0)) (.cse86 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse236 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse237 (select v_ArrVal_595 4)) (.cse238 (+ (select v_ArrVal_593 4) 4))) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse236)))) (not (= 0 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse237) .cse238))) (not (= (select (select .cse236 .cse237) .cse238) 0))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse92 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (< 2 (let ((.cse234 (select v_ArrVal_595 4)) (.cse235 (+ (select v_ArrVal_593 4) 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse234) .cse235)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse234) .cse235))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse93 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse231 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse231)))) (< 2 (let ((.cse232 (select v_ArrVal_595 4)) (.cse233 (+ (select v_ArrVal_593 4) 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse231 .cse232) .cse233)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse232) .cse233))))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse95 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse228 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse228)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base)))) (< 2 (let ((.cse229 (select v_ArrVal_595 4)) (.cse230 (+ (select v_ArrVal_593 4) 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse228 .cse229) .cse230)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse229) .cse230))))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse96 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse225 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse226 (select v_ArrVal_595 4)) (.cse227 (+ (select v_ArrVal_593 4) 4))) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse225)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base)))) (not (= 0 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse226) .cse227))) (not (= (select (select .cse225 .cse226) .cse227) 0)))))))) (.cse98 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse222 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse223 (select v_ArrVal_595 4)) (.cse224 (+ (select v_ArrVal_593 4) 4))) (or (forall ((v_arrayElimArr_31 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse222)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)))) (not (= 0 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse223) .cse224))) (not (= (select (select .cse222 .cse223) .cse224) 0)))))))) (.cse99 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse219 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (forall ((v_arrayElimArr_31 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse219)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)))) (< 2 (let ((.cse220 (select v_ArrVal_595 4)) (.cse221 (+ (select v_ArrVal_593 4) 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse219 .cse220) .cse221)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse220) .cse221))))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse100 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse217 (select v_ArrVal_595 4)) (.cse218 (+ (select v_ArrVal_593 4) 4))) (or (not (= 0 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse217) .cse218))) (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse217) .cse218) 0))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse3 (not .cse6)) (.cse2 (+ c_~head~0.offset 4))) (let ((.cse5 (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse215 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39)) (.cse216 (select v_arrayElimArr_31 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse215 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse216) .cse2))) (not (= .cse216 c_~head~0.base)) (not (= (select (select .cse215 .cse216) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4))))))) (.cse7 (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse213 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39)) (.cse214 (select v_arrayElimArr_31 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse213 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse214) .cse2)) (select (select .cse213 .cse214) .cse2))) (not (= .cse214 c_~head~0.base)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4))))))) (.cse4 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_39 (Array Int Int))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse212 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse212) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse212) .cse2))) (not (= .cse212 c_~head~0.base))))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))))) (.cse66 (or (and .cse86 .cse92 .cse93 .cse95 .cse96 .cse98 .cse99 .cse100) .cse3)) (.cse13 (not .cse0)) (.cse14 (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse211 (select v_arrayElimArr_31 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse211) .cse2))) (not (= .cse211 c_~head~0.base)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse211) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))))) (and (or .cse0 (and (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse1 (select v_arrayElimArr_29 4))) (or (not (= .cse1 c_~head~0.base)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse1) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse1) .cse2))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) .cse3) .cse4)) (or .cse5 .cse6) (or .cse7 .cse6) (or (and (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse8 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39)) (.cse9 (select v_arrayElimArr_30 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse8 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= .cse9 c_~head~0.base)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse9) .cse2)) (select (select .cse8 .cse9) .cse2))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse11 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30)) (.cse10 (select v_arrayElimArr_30 4))) (or (not (= .cse10 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse11 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse11 .cse10) .cse2)) (select (select .cse12 .cse10) .cse2)))))) (not (= .cse12 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) .cse13) (or .cse0 .cse14) (or .cse0 .cse5) (or .cse3 (and (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse16 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29)) (.cse15 (select v_arrayElimArr_29 4))) (or (not (= .cse15 c_~head~0.base)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse16 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (not (= (select (select .cse16 .cse15) .cse2) 0)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse15) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) .cse0) (or .cse0 (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_29 (Array Int Int))) (let ((.cse18 (select v_arrayElimArr_29 4))) (or (forall ((v_arrayElimArr_39 (Array Int Int))) (let ((.cse17 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (not (= (select (select .cse17 .cse18) .cse2) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (not (= .cse17 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593)))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) (not (= .cse18 c_~head~0.base)) (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse18) .cse2) 0))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (let ((.cse19 (select v_arrayElimArr_29 4))) (or (not (= .cse19 c_~head~0.base)) (forall ((v_arrayElimArr_39 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse19) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4))))) (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse19) .cse2) 0))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse22 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29)) (.cse21 (select v_arrayElimArr_29 4))) (or (forall ((v_arrayElimArr_39 (Array Int Int))) (let ((.cse20 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (not (= (select (select .cse20 .cse21) .cse2) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (not (= .cse20 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593)))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) (not (= .cse21 c_~head~0.base)) (not (= .cse22 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (not (= (select (select .cse22 .cse21) .cse2) 0))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (or .cse13 (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int))) (let ((.cse23 (select v_ArrVal_595 4)) (.cse24 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse23) .cse2) 0)) (not (= (select (select .cse24 .cse23) .cse2) 0)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse24 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4))))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse25 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (not (= .cse25 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse26 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse27 (select v_arrayElimArr_31 4))) (or (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse26 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= 0 (select (select .cse26 .cse27) .cse2))) (not (= .cse27 c_~head~0.base)) (not (= (select (select .cse25 .cse27) .cse2) 0))))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (or .cse7 .cse0) (or (and (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse28 (select v_arrayElimArr_30 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse28 c_~head~0.base)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse28) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse28) .cse2))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) .cse13) .cse4) .cse6) (or .cse13 (let ((.cse36 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse156 (select v_ArrVal_595 4))) (let ((.cse155 (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse156) .cse2)))) (or (< 2 (select .cse155 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse156) .cse2))) (< 2 (select .cse155 c_~head~0.offset)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse41 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse154 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse153 (select v_ArrVal_595 4))) (or (= v_~head~0.base_49 .cse153) (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse154)))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse154 .cse153) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse153) .cse2)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse42 (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse152 (select v_ArrVal_595 4))) (or (< 2 (select (select (store |c_#memory_int| .cse152 v_ArrVal_596) (select v_ArrVal_595 .cse2)) c_~head~0.offset)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base)) (not (= (select |c_#valid| .cse152) 0)) (not (= (store |c_#memory_$Pointer$.base| .cse152 v_arrayElimArr_30) (store |c_#memory_$Pointer$.base| .cse152 v_ArrVal_595))))))) (.cse43 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse149 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse151 (select v_ArrVal_595 4))) (let ((.cse150 (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse149 .cse151) .cse2)))) (or (forall ((v_arrayElimArr_31 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse149)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)))) (< 2 (select .cse150 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse151) .cse2))) (< 2 (select .cse150 c_~head~0.offset)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse44 (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse148 (select v_ArrVal_595 4))) (or (< 2 (select (select (store |c_#memory_int| .cse148 v_ArrVal_596) (select v_ArrVal_595 .cse2)) c_~head~0.offset)) (not (= (select |c_#valid| .cse148) 0)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| .cse148 v_arrayElimArr_31) (store |c_#memory_$Pointer$.base| .cse148 v_ArrVal_595))))))) (.cse45 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse145 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse147 (select v_ArrVal_595 4))) (let ((.cse146 (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse145 .cse147) .cse2)))) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse145)))) (< 2 (select .cse146 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse147) .cse2))) (< 2 (select .cse146 c_~head~0.offset)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse46 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse143 (select v_ArrVal_595 4)) (.cse144 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (= v_~head~0.base_49 .cse143) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse144 .cse143) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse143) .cse2))) (forall ((v_arrayElimArr_30 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse144)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base))))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse47 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse142 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse141 (select v_ArrVal_595 4))) (or (= v_~head~0.base_49 .cse141) (forall ((v_arrayElimArr_31 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse142)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse142 .cse141) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse141) .cse2)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse48 (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse140 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse139 (select v_ArrVal_595 4))) (let ((.cse138 (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse140 .cse139) .cse2)))) (or (< 2 (select .cse138 (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse139) .cse2))) (forall ((v_arrayElimArr_30 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse140)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base)))) (< 2 (select .cse138 c_~head~0.offset)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) (.cse50 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse137 (select v_ArrVal_595 4))) (or (= v_~head~0.base_49 .cse137) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse137) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse137) .cse2)))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse88 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse135 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse136 (select v_ArrVal_595 4))) (or (not (= (select (select .cse135 .cse136) .cse2) 0)) (forall ((v_arrayElimArr_31 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse135)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)))) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse136) .cse2) 0))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse89 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (not (= c_~head~0.offset (select v_ArrVal_593 4))) (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse133 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse134 (select v_ArrVal_595 4))) (or (not (= (select (select .cse133 .cse134) .cse2) 0)) (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse133)))) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse134) .cse2) 0)))))))))) (.cse94 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse132 (select v_ArrVal_595 4)) (.cse131 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (not (= (select (select .cse131 .cse132) .cse2) 0)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse132) .cse2) 0)) (forall ((v_arrayElimArr_30 (Array Int Int))) (or (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse131)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base))))))) (not (= c_~head~0.offset (select v_ArrVal_593 4)))))))) (.cse97 (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_593 (Array Int Int))) (or (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse130 (select v_ArrVal_595 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse130) .cse2) 0)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse130) .cse2) 0))))) (not (= c_~head~0.offset (select v_ArrVal_593 4))))))))) (and (or (and (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse29 (select v_arrayElimArr_30 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse29) .cse2) 0)) (forall ((v_arrayElimArr_32 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32) .cse29) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))))) (not (= .cse29 c_~head~0.base))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse30 (select v_arrayElimArr_31 4))) (or (forall ((v_arrayElimArr_32 (Array Int Int))) (or (forall ((v_ArrVal_596 (Array Int Int))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse30) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32) .cse30) .cse2)))) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))))) (not (= .cse30 c_~head~0.base))))))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse31 (select v_arrayElimArr_31 4))) (or (forall ((v_arrayElimArr_32 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32) .cse31) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))))) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse31) .cse2))) (not (= .cse31 c_~head~0.base))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse32 (select v_arrayElimArr_30 4))) (or (forall ((v_arrayElimArr_32 (Array Int Int))) (or (forall ((v_ArrVal_596 (Array Int Int))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse32) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32) .cse32) .cse2)))) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))))) (not (= .cse32 c_~head~0.base))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse33 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse34 (select v_arrayElimArr_30 4)) (.cse35 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30))) (or (not (= (select (select .cse33 .cse34) .cse2) 0)) (not (= (select (select .cse35 .cse34) .cse2) 0)) (not (= .cse34 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse35 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse33)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))))) (or (and .cse36 (forall ((v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimCell_42 Int)) (let ((.cse38 (select v_ArrVal_595 4))) (let ((.cse37 (select (store |c_#memory_int| .cse38 v_ArrVal_596) (select v_ArrVal_595 .cse2)))) (or (< 2 (select .cse37 v_arrayElimCell_42)) (< 2 (select .cse37 c_~head~0.offset)) (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (select |c_#valid| .cse38) 0)) (not (= (store |c_#memory_$Pointer$.base| .cse38 v_arrayElimArr_29) (store |c_#memory_$Pointer$.base| .cse38 v_ArrVal_595))))))) (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimCell_42 Int) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse40 (select v_ArrVal_595 4))) (let ((.cse39 (select (store |c_#memory_int| .cse40 v_ArrVal_596) (select v_ArrVal_595 .cse2)))) (or (< 2 (select .cse39 v_arrayElimCell_42)) (< 2 (select .cse39 c_~head~0.offset)) (not (= (select v_arrayElimArr_30 4) c_~head~0.base)) (not (= (select |c_#valid| .cse40) 0)) (not (= (store |c_#memory_$Pointer$.base| .cse40 v_arrayElimArr_30) (store |c_#memory_$Pointer$.base| .cse40 v_ArrVal_595))))))) (forall ((v_arrayElimCell_47 Int)) (not (= (select |c_#valid| v_arrayElimCell_47) 0))) .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 (forall ((v_arrayElimCell_44 Int)) (not (= (select |c_#valid| v_arrayElimCell_44) 0))) .cse47 .cse48 (forall ((v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse49 (select v_ArrVal_595 4))) (or (< 2 (select (select (store |c_#memory_int| .cse49 v_ArrVal_596) (select v_ArrVal_595 .cse2)) c_~head~0.offset)) (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (select |c_#valid| .cse49) 0)) (not (= (store |c_#memory_$Pointer$.base| .cse49 v_arrayElimArr_29) (store |c_#memory_$Pointer$.base| .cse49 v_ArrVal_595)))))) .cse50 (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimCell_42 Int) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse52 (select v_ArrVal_595 4))) (let ((.cse51 (select (store |c_#memory_int| .cse52 v_ArrVal_596) (select v_ArrVal_595 .cse2)))) (or (< 2 (select .cse51 v_arrayElimCell_42)) (< 2 (select .cse51 c_~head~0.offset)) (not (= (select |c_#valid| .cse52) 0)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| .cse52 v_arrayElimArr_31) (store |c_#memory_$Pointer$.base| .cse52 v_ArrVal_595)))))))) .cse3) (or (forall ((v_arrayElimArr_37 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse54 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_37)) (.cse53 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse53) .cse2)) (select (select .cse54 .cse53) .cse2))) (not (= (select v_arrayElimArr_37 4) c_~head~0.offset)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse54 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= .cse53 c_~head~0.base))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse55 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse57 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse56 (select v_arrayElimArr_31 4))) (or (not (= (select (select .cse55 .cse56) .cse2) 0)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse57 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= 0 (select (select .cse57 .cse56) .cse2))) (not (= .cse56 c_~head~0.base))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse55)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_37 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse60 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_37))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse59 (select v_arrayElimArr_30 4)) (.cse58 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse58 .cse59) .cse2)) (select (select .cse60 .cse59) .cse2))) (not (= .cse59 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse58 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))))))) (not (= (select v_arrayElimArr_37 4) c_~head~0.offset)) (not (= .cse60 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593)))))))) (or .cse3 (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_36 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse63 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_36))) (or (not (= c_~head~0.offset (select v_arrayElimArr_36 4))) (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse61 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse62 (select v_ArrVal_595 4))) (or (not (= (select (select .cse61 .cse62) .cse2) 0)) (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse61)))) (not (= (select (select .cse63 .cse62) .cse2) 0))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse63))))))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_36 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse65 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_36))) (or (not (= c_~head~0.offset (select v_arrayElimArr_36 4))) (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse64 (select v_ArrVal_595 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse64) .cse2) 0)) (not (= (select (select .cse65 .cse64) .cse2) 0))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse65))))))))) .cse66 (or (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_35 (Array Int Int))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse67 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse67) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_35) .cse67) .cse2))) (not (= .cse67 c_~head~0.base))))) (not (= c_~head~0.offset (select v_arrayElimArr_35 4))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_34 (Array Int Int))) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse68 (select v_arrayElimArr_30 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse68) .cse2) 0)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_34) .cse68) .cse2) 0)) (not (= .cse68 c_~head~0.base))))) (not (= (select v_arrayElimArr_34 4) c_~head~0.offset)))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_34 (Array Int Int))) (or (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse69 (select v_arrayElimArr_31 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_34) .cse69) .cse2) 0)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse69) .cse2))) (not (= .cse69 c_~head~0.base))))) (not (= (select v_arrayElimArr_34 4) c_~head~0.offset)))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_35 (Array Int Int))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse70 (select v_arrayElimArr_30 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse70) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_35) .cse70) .cse2))) (not (= .cse70 c_~head~0.base))))) (not (= c_~head~0.offset (select v_arrayElimArr_35 4)))))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse71 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse71)) (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse72 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse73 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse72 .cse73) .cse2)) (select (select .cse71 .cse73) .cse2))) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse72 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= .cse73 c_~head~0.base))))) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (or .cse3 (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_37 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse76 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_37))) (or (not (= (select v_arrayElimArr_37 4) c_~head~0.offset)) (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse74 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse74)))) (< 2 (let ((.cse75 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse74 .cse75) .cse2)) (select (select .cse76 .cse75) .cse2))))))) (not (= .cse76 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593)))))))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_37 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse78 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_37))) (or (not (= (select v_arrayElimArr_37 4) c_~head~0.offset)) (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (< 2 (let ((.cse77 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse77) .cse2)) (select (select .cse78 .cse77) .cse2))))) (not (= .cse78 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593)))))))))) (or (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse80 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (< 2 (let ((.cse79 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse79) .cse2)) (select (select .cse80 .cse79) .cse2))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse80)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse81 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse81)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))) (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse82 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse82)))) (< 2 (let ((.cse83 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse82 .cse83) .cse2)) (select (select .cse81 .cse83) .cse2)))))))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) .cse3) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse85 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32)) (.cse84 (select v_arrayElimArr_30 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse84) .cse2)) (select (select .cse85 .cse84) .cse2))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse85)) (not (= .cse84 c_~head~0.base)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))) .cse6) (or (and .cse36 .cse86 (forall ((v_ArrVal_595 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse87 (select v_ArrVal_595 4))) (or (not (= (select |c_#valid| .cse87) 0)) (not (= (select v_ArrVal_595 .cse2) 0)) (not (= (store |c_#memory_$Pointer$.base| .cse87 v_arrayElimArr_31) (store |c_#memory_$Pointer$.base| .cse87 v_ArrVal_595)))))) .cse88 .cse89 .cse41 .cse42 .cse43 (forall ((v_arrayElimCell_39 Int) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse91 (select v_ArrVal_595 4))) (let ((.cse90 (select (store |c_#memory_int| .cse91 v_ArrVal_596) (select v_ArrVal_595 .cse2)))) (or (< 2 (select .cse90 c_~head~0.offset)) (< 2 (select .cse90 v_arrayElimCell_39)) (not (= (select |c_#valid| .cse91) 0)) (not (= (select v_arrayElimArr_31 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| .cse91 v_arrayElimArr_31) (store |c_#memory_$Pointer$.base| .cse91 v_ArrVal_595))))))) .cse92 .cse44 .cse45 .cse46 .cse47 (forall ((v_arrayElimCell_50 Int)) (not (= (select |c_#valid| v_arrayElimCell_50) 0))) .cse93 (forall ((v_arrayElimCell_53 Int)) (not (= (select |c_#valid| v_arrayElimCell_53) 0))) .cse94 .cse95 .cse48 .cse96 (not (= (select |c_#valid| 0) 0)) .cse97 .cse98 .cse99 .cse100 .cse50) .cse3) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse102 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32)) (.cse101 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse101) .cse2)) (select (select .cse102 .cse101) .cse2))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse102)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))) (not (= .cse101 c_~head~0.base))))) .cse6) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse103 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32)) (.cse104 (select v_arrayElimArr_30 4))) (or (not (= (select (select .cse103 .cse104) .cse2) 0)) (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse104) .cse2) 0)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse103)) (not (= .cse104 c_~head~0.base)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))) .cse6) (or .cse3 (and (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse105 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse105)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))) (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse106 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse107 (select v_ArrVal_595 4))) (or (not (= (select (select .cse106 .cse107) .cse2) 0)) (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse106)))) (not (= (select (select .cse105 .cse107) .cse2) 0)))))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse109 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse108 (select v_ArrVal_595 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse108) .cse2) 0)) (not (= (select (select .cse109 .cse108) .cse2) 0))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse109)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))))))) (or (forall ((v_arrayElimArr_36 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse111 (select v_arrayElimArr_31 4)) (.cse110 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_36))) (or (not (= (select (select .cse110 .cse111) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_36 4))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse111) .cse2))) (not (= .cse111 c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse110))))) .cse6) (or (forall ((v_arrayElimArr_36 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse113 (select v_arrayElimArr_30 4)) (.cse112 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_36))) (or (not (= (select (select .cse112 .cse113) .cse2) 0)) (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse113) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_36 4))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse113 c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse112))))) .cse6) (or .cse3 (and .cse88 .cse89 .cse94 .cse97)) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_36 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse114 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_36))) (or (not (= c_~head~0.offset (select v_arrayElimArr_36 4))) (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse115 (select v_arrayElimArr_30 4)) (.cse116 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30))) (or (not (= (select (select .cse114 .cse115) .cse2) 0)) (not (= (select (select .cse116 .cse115) .cse2) 0)) (not (= .cse115 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse116 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse114))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (or (forall ((v_arrayElimArr_32 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse117 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32)) (.cse118 (select v_arrayElimArr_31 4))) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= (select (select .cse117 .cse118) .cse2) 0)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse118) .cse2))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse117)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4))) (not (= .cse118 c_~head~0.base))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_37 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse119 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_37))) (or (not (= (select v_arrayElimArr_37 4) c_~head~0.offset)) (not (= .cse119 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse120 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse121 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse120 .cse121) .cse2)) (select (select .cse119 .cse121) .cse2))) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse120 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= .cse121 c_~head~0.base)))))))))) (or (forall ((v_arrayElimArr_37 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse122 (select v_arrayElimArr_30 4)) (.cse123 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_37))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse122) .cse2)) (select (select .cse123 .cse122) .cse2))) (not (= (select v_arrayElimArr_37 4) c_~head~0.offset)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse122 c_~head~0.base)) (not (= .cse123 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593)))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_32 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse126 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_32))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse125 (select v_arrayElimArr_30 4)) (.cse124 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse124 .cse125) .cse2)) (select (select .cse126 .cse125) .cse2))) (not (= .cse125 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse124 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse126)) (not (= c_~head~0.offset (select v_arrayElimArr_32 4)))))))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_36 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse127 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_36))) (or (not (= c_~head~0.offset (select v_arrayElimArr_36 4))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse127)) (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse129 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse128 (select v_arrayElimArr_31 4))) (or (not (= (select (select .cse127 .cse128) .cse2) 0)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse129 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= 0 (select (select .cse129 .cse128) .cse2))) (not (= .cse128 c_~head~0.base))))))))))))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_39 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse159 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse157 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse158 (select v_arrayElimArr_31 4))) (or (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse157 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse157 .cse158) .cse2)) (select (select .cse159 .cse158) .cse2))) (not (= .cse158 c_~head~0.base))))) (not (= .cse159 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))))) (or (and (or .cse13 (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse161 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (< 2 (let ((.cse160 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse160) .cse2)) (select (select .cse161 .cse160) .cse2)))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse161 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse164 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (forall ((v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse163 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29)) (.cse162 (select v_arrayElimArr_29 4))) (or (not (= .cse162 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse163 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse163 .cse162) .cse2)) (select (select .cse164 .cse162) .cse2)))))) (not (= .cse164 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (or .cse0 (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_29 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse166 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39)) (.cse165 (select v_arrayElimArr_29 4))) (or (not (= .cse165 c_~head~0.base)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse166 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse165) .cse2)) (select (select .cse166 .cse165) .cse2))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))))) .cse3) (or (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_ArrVal_595 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse167 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30)) (.cse168 (select v_arrayElimArr_30 4))) (or (not (= .cse167 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (not (= (select (select .cse167 .cse168) .cse2) 0)) (forall ((v_arrayElimArr_38 (Array Int Int))) (let ((.cse169 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (forall ((v_ArrVal_593 (Array Int Int))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse169))) (not (= (select (select .cse169 .cse168) .cse2) 0))))) (not (= .cse168 c_~head~0.base))))))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse172 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse171 (select v_arrayElimArr_31 4))) (or (forall ((v_arrayElimArr_38 (Array Int Int))) (let ((.cse170 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (forall ((v_ArrVal_593 (Array Int Int))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse170))) (not (= (select (select .cse170 .cse171) .cse2) 0))))) (not (= 0 (select (select .cse172 .cse171) .cse2))) (not (= .cse172 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (not (= .cse171 c_~head~0.base))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_38 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse173 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse173)) (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse174 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse175 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse174 .cse175) .cse2)) (select (select .cse173 .cse175) .cse2))) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse174 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= .cse175 c_~head~0.base)))))))))) (or (and (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse176 (select v_arrayElimArr_30 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse176) .cse2) 0)) (forall ((v_arrayElimArr_38 (Array Int Int))) (let ((.cse177 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (forall ((v_ArrVal_593 (Array Int Int))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse177))) (not (= (select (select .cse177 .cse176) .cse2) 0))))) (not (= .cse176 c_~head~0.base))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse178 (select v_arrayElimArr_30 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse178) .cse2) 0)) (forall ((v_arrayElimArr_38 (Array Int Int))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38) .cse178) .cse2) 0)))) (not (= .cse178 c_~head~0.base)))))))) .cse6) .cse66 (or (and (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse179 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse179)) (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (let ((.cse180 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (or (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse180)))) (< 2 (let ((.cse181 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse180 .cse181) .cse2)) (select (select .cse179 .cse181) .cse2)))))))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse183 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (forall ((v_ArrVal_595 (Array Int Int)) (v_ArrVal_596 (Array Int Int))) (< 2 (let ((.cse182 (select v_ArrVal_595 4))) (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse182) .cse2)) (select (select .cse183 .cse182) .cse2))))) (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse183))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) .cse3) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_595 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse184 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30)) (.cse185 (select v_arrayElimArr_30 4))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= .cse184 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (not (= (select (select .cse184 .cse185) .cse2) 0)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38) .cse185) .cse2) 0)) (not (= .cse185 c_~head~0.base))))) .cse6) (or .cse6 (and (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse186 (select v_arrayElimArr_31 4))) (or (forall ((v_arrayElimArr_38 (Array Int Int))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38) .cse186) .cse2) 0)))) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse186) .cse2))) (not (= .cse186 c_~head~0.base))))))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_31 (Array Int Int))) (let ((.cse188 (select v_arrayElimArr_31 4))) (or (forall ((v_arrayElimArr_38 (Array Int Int))) (let ((.cse187 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (forall ((v_ArrVal_593 (Array Int Int))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse187))) (not (= (select (select .cse187 .cse188) .cse2) 0))))) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse188) .cse2))) (not (= .cse188 c_~head~0.base))))))))) (or (and (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_38 (Array Int Int))) (or (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse189 (select v_arrayElimArr_30 4))) (or (not (= .cse189 c_~head~0.base)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse189) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38) .cse189) .cse2)))))) (not (= c_~head~0.offset (select v_arrayElimArr_38 4))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_38 (Array Int Int))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse190 (select v_arrayElimArr_31 4))) (or (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse190) .cse2)) (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38) .cse190) .cse2))) (not (= .cse190 c_~head~0.base)))))))))) .cse6) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse191 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38)) (.cse192 (select v_arrayElimArr_30 4))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse191)) (not (= .cse192 c_~head~0.base)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse192) .cse2)) (select (select .cse191 .cse192) .cse2)))))) .cse6) (or (and (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse194 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse193 (select v_ArrVal_595 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595) .cse193) .cse2) 0)) (not (= (select (select .cse194 .cse193) .cse2) 0))))) (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse194))))) (not (= (select |c_#valid| v_~head~0.base_49) 0)))) (forall ((v_~head~0.base_49 Int)) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse197 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (forall ((v_ArrVal_595 (Array Int Int))) (let ((.cse195 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)) (.cse196 (select v_ArrVal_595 4))) (or (not (= (select (select .cse195 .cse196) .cse2) 0)) (forall ((v_arrayElimArr_29 (Array Int Int))) (or (not (= (select v_arrayElimArr_29 4) c_~head~0.base)) (not (= (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_29) .cse195)))) (not (= (select (select .cse197 .cse196) .cse2) 0))))) (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse197))))) (not (= (select |c_#valid| v_~head~0.base_49) 0))))) .cse3) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse199 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38)) (.cse198 (select v_arrayElimArr_31 4))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31) .cse198) .cse2)) (select (select .cse199 .cse198) .cse2))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse199)) (not (= .cse198 c_~head~0.base))))) .cse6) (or (forall ((v_arrayElimArr_38 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_595 (Array Int Int)) (v_arrayElimArr_31 (Array Int Int))) (let ((.cse201 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_31)) (.cse200 (select v_arrayElimArr_31 4))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38) .cse200) .cse2) 0)) (not (= 0 (select (select .cse201 .cse200) .cse2))) (not (= .cse201 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595))) (not (= .cse200 c_~head~0.base))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_38 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse204 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_38))) (or (not (= c_~head~0.offset (select v_arrayElimArr_38 4))) (forall ((v_ArrVal_596 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse203 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30)) (.cse202 (select v_arrayElimArr_30 4))) (or (not (= .cse202 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse203 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (< 2 (select (select (store |c_#memory_int| v_~head~0.base_49 v_ArrVal_596) (select (select .cse203 .cse202) .cse2)) (select (select .cse204 .cse202) .cse2)))))) (not (= (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593) .cse204)))))))) .cse13) (or (and (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse205 (select v_arrayElimArr_30 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse205) .cse2) 0)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse205 c_~head~0.base)) (not (= (select (select (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39) .cse205) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) .cse6) (forall ((v_~head~0.base_49 Int)) (or (not (= (select |c_#valid| v_~head~0.base_49) 0)) (forall ((v_arrayElimArr_39 (Array Int Int)) (v_ArrVal_593 (Array Int Int))) (let ((.cse206 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39))) (or (not (= .cse206 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (forall ((v_arrayElimArr_30 (Array Int Int))) (let ((.cse207 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30)) (.cse208 (select v_arrayElimArr_30 4))) (or (not (= (select (select .cse207 .cse208) .cse2) 0)) (not (= .cse208 c_~head~0.base)) (forall ((v_ArrVal_595 (Array Int Int))) (not (= .cse207 (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_ArrVal_595)))) (not (= (select (select .cse206 .cse208) .cse2) 0))))) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))))) (or (forall ((v_arrayElimArr_39 (Array Int Int)) (v_~head~0.base_49 Int) (v_ArrVal_593 (Array Int Int)) (v_arrayElimArr_30 (Array Int Int))) (let ((.cse210 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_arrayElimArr_39)) (.cse209 (select v_arrayElimArr_30 4))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| v_~head~0.base_49 v_arrayElimArr_30) .cse209) .cse2) 0)) (not (= (select |c_#valid| v_~head~0.base_49) 0)) (not (= .cse210 (store |c_#memory_$Pointer$.offset| v_~head~0.base_49 v_ArrVal_593))) (not (= .cse209 c_~head~0.base)) (not (= (select (select .cse210 .cse209) .cse2) 0)) (not (= c_~head~0.offset (select v_arrayElimArr_39 4)))))) .cse6)) .cse13) (or .cse14 .cse6))))) is different from true [2022-11-19 07:09:47,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335531809] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:09:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1650969312] [2022-11-19 07:09:47,919 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-19 07:09:47,919 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:09:47,920 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:09:47,920 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:09:47,920 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:09:47,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:09:47,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:09:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:47,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:09:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:09:48,429 INFO L197 IcfgInterpreter]: Interpreting procedure insert_list with input of size 76 for LOIs [2022-11-19 07:09:48,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:09:48,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:09:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:09:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:09:48,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:48,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 07:09:48,766 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:09:51,222 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '527#(and (<= 2 |ULTIMATE.start_search_list_~k#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~temp~0#1.base|) |ULTIMATE.start_main_~temp~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1|) (= |ULTIMATE.start_main_~temp~0#1.offset| |ULTIMATE.start_search_list_#res#1.offset|) (<= |ULTIMATE.start_search_list_#in~l#1.offset| 0) (<= |ULTIMATE.start_search_list_~k#1| 2) (= ~head~0.offset 0) (= |ULTIMATE.start_search_list_#res#1.base| |ULTIMATE.start_search_list_~l#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_search_list_#in~l#1.offset|) (= |ULTIMATE.start_search_list_#res#1.base| |ULTIMATE.start_main_~temp~0#1.base|) (= |ULTIMATE.start_search_list_#res#1.offset| |ULTIMATE.start_search_list_~l#1.offset|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_search_list_#in~k#1| 2) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem12#1| 1) 1 0)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:09:51,223 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:09:51,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:09:51,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 27 [2022-11-19 07:09:51,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174777920] [2022-11-19 07:09:51,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:09:51,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-19 07:09:51,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:51,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-19 07:09:51,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1665, Unknown=13, NotChecked=82, Total=1892 [2022-11-19 07:09:51,226 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 27 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 6 states have call successors, (7), 4 states have call predecessors, (7), 8 states have return successors, (8), 8 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-19 07:09:54,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:54,143 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-11-19 07:09:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 07:09:54,145 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 6 states have call successors, (7), 4 states have call predecessors, (7), 8 states have return successors, (8), 8 states have call predecessors, (8), 6 states have call successors, (8) Word has length 26 [2022-11-19 07:09:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:54,146 INFO L225 Difference]: With dead ends: 31 [2022-11-19 07:09:54,146 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 07:09:54,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=219, Invalid=2423, Unknown=14, NotChecked=100, Total=2756 [2022-11-19 07:09:54,149 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:54,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 165 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 41 Unchecked, 0.6s Time] [2022-11-19 07:09:54,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 07:09:54,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 07:09:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:09:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-11-19 07:09:54,158 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 26 [2022-11-19 07:09:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:54,159 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-19 07:09:54,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 6 states have call successors, (7), 4 states have call predecessors, (7), 8 states have return successors, (8), 8 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-19 07:09:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-11-19 07:09:54,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 07:09:54,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:54,160 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:54,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 07:09:54,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:54,373 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:54,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:54,373 INFO L85 PathProgramCache]: Analyzing trace with hash -919873792, now seen corresponding path program 3 times [2022-11-19 07:09:54,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:54,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832881297] [2022-11-19 07:09:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:09:54,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:09:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:09:54,537 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:09:54,538 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:09:54,539 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:09:54,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:09:54,546 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-19 07:09:54,550 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:09:54,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:09:54 BoogieIcfgContainer [2022-11-19 07:09:54,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:09:54,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:09:54,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:09:54,618 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:09:54,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:18" (3/4) ... [2022-11-19 07:09:54,621 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 07:09:54,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:09:54,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:09:54,695 INFO L158 Benchmark]: Toolchain (without parser) took 37109.75ms. Allocated memory was 121.6MB in the beginning and 310.4MB in the end (delta: 188.7MB). Free memory was 83.4MB in the beginning and 156.6MB in the end (delta: -73.2MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2022-11-19 07:09:54,696 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:09:54,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.62ms. Allocated memory is still 121.6MB. Free memory was 83.2MB in the beginning and 90.9MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:09:54,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.83ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:09:54,697 INFO L158 Benchmark]: Boogie Preprocessor took 58.49ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 87.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:09:54,697 INFO L158 Benchmark]: RCFGBuilder took 531.89ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 72.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:09:54,700 INFO L158 Benchmark]: TraceAbstraction took 35888.86ms. Allocated memory was 121.6MB in the beginning and 310.4MB in the end (delta: 188.7MB). Free memory was 71.0MB in the beginning and 159.8MB in the end (delta: -88.7MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2022-11-19 07:09:54,700 INFO L158 Benchmark]: Witness Printer took 76.70ms. Allocated memory is still 310.4MB. Free memory was 159.8MB in the beginning and 156.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:09:54,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.62ms. Allocated memory is still 121.6MB. Free memory was 83.2MB in the beginning and 90.9MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.83ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.49ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 87.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.89ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 72.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35888.86ms. Allocated memory was 121.6MB in the beginning and 310.4MB in the end (delta: 188.7MB). Free memory was 71.0MB in the beginning and 159.8MB in the end (delta: -88.7MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Witness Printer took 76.70ms. Allocated memory is still 310.4MB. Free memory was 159.8MB in the beginning and 156.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L533] mlist *head; [L554] int i; [L555] mlist *mylist, *temp; VAL [head={0:0}] [L556] CALL insert_list(mylist,2) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={0:0}, l={56:53}] [L542] l = (mlist*)malloc(sizeof(mlist)) [L543] l->key = k [L544] COND TRUE head==((void *)0) [L545] l->next = ((void *)0) [L550] head = l [L551] return 0; [L556] RET insert_list(mylist,2) VAL [head={-1:0}, insert_list(mylist,2)=0, mylist={56:53}] [L557] CALL insert_list(mylist,5) VAL [\old(head)=-1, \old(head)=0, \old(k)=5, head={-1:0}, l={56:53}] [L542] l = (mlist*)malloc(sizeof(mlist)) [L543] l->key = k [L544] COND FALSE !(head==((void *)0)) [L547] l->key = k [L548] l->next = head [L550] head = l [L551] return 0; [L557] RET insert_list(mylist,5) VAL [head={-5:0}, insert_list(mylist,5)=0, mylist={56:53}] [L558] CALL insert_list(mylist,1) VAL [\old(head)=0, \old(head)=-5, \old(k)=1, head={-5:0}, l={56:53}] [L542] l = (mlist*)malloc(sizeof(mlist)) [L543] l->key = k [L544] COND FALSE !(head==((void *)0)) [L547] l->key = k [L548] l->next = head [L550] head = l [L551] return 0; [L558] RET insert_list(mylist,1) VAL [head={-3:0}, insert_list(mylist,1)=0, mylist={56:53}] [L559] CALL insert_list(mylist,3) VAL [\old(head)=-3, \old(head)=0, \old(k)=3, head={-3:0}, l={56:53}] [L542] l = (mlist*)malloc(sizeof(mlist)) [L543] l->key = k [L544] COND FALSE !(head==((void *)0)) [L547] l->key = k [L548] l->next = head [L550] head = l [L551] return 0; [L559] RET insert_list(mylist,3) VAL [head={-4:0}, insert_list(mylist,3)=0, mylist={56:53}] [L560] CALL, EXPR search_list(head,2) [L535] l = head VAL [\old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}] [L536] l!=((void *)0) && l->key!=k [L536] EXPR l->key [L536] l!=((void *)0) && l->key!=k VAL [\old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=3] [L536] COND TRUE l!=((void *)0) && l->key!=k [L537] EXPR l->next [L537] l = l->next [L536] l!=((void *)0) && l->key!=k [L536] EXPR l->key [L536] l!=((void *)0) && l->key!=k VAL [\old(k)=2, head={-4:0}, k=2, l={-3:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=1] [L536] COND TRUE l!=((void *)0) && l->key!=k [L537] EXPR l->next [L537] l = l->next [L536] l!=((void *)0) && l->key!=k [L536] EXPR l->key [L536] l!=((void *)0) && l->key!=k VAL [\old(k)=2, head={-4:0}, k=2, l={-5:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=5] [L536] COND TRUE l!=((void *)0) && l->key!=k [L537] EXPR l->next [L537] l = l->next [L536] l!=((void *)0) && l->key!=k [L536] EXPR l->key [L536] l!=((void *)0) && l->key!=k VAL [\old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-1:0}, l!=((void *)0) && l->key!=k=0, l->key=2] [L536] COND FALSE !(l!=((void *)0) && l->key!=k) [L539] return l; [L560] RET, EXPR search_list(head,2) [L560] temp = search_list(head,2) [L561] EXPR temp->key [L561] CALL __VERIFIER_assert(temp->key==1) [L14] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, head={-4:0}] [L15] reach_error() VAL [\old(cond)=0, cond=0, head={-4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.7s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 330 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 56 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 49 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 137 ConstructedInterpolants, 5 QuantifiedInterpolants, 2652 SizeOfPredicates, 33 NumberOfNonLiveVariables, 775 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 62/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-19 07:09:54,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db799704-0811-4ab7-9f74-955ba386ea25/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE