./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh --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 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 --- 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-2329fc7 [2022-12-14 08:12:40,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:12:40,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:12:40,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:12:40,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:12:40,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:12:40,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:12:40,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:12:40,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:12:40,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:12:40,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:12:40,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:12:40,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:12:40,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:12:40,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:12:40,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:12:40,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:12:40,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:12:40,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:12:40,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:12:40,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:12:40,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:12:40,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:12:40,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:12:40,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:12:40,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:12:40,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:12:40,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:12:40,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:12:40,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:12:40,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:12:40,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:12:40,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:12:40,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:12:40,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:12:40,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:12:40,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:12:40,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:12:40,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:12:40,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:12:40,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:12:40,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 08:12:40,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:12:40,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:12:40,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:12:40,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:12:40,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:12:40,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:12:40,831 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:12:40,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:12:40,832 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:12:40,832 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:12:40,832 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:12:40,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:12:40,832 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:12:40,832 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:12:40,833 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:12:40,833 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:12:40,833 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:12:40,833 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:12:40,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:12:40,834 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:12:40,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:12:40,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:12:40,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:12:40,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:12:40,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:12:40,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:12:40,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:12:40,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:12:40,836 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:12:40,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:12:40,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:12:40,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:12:40,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:12:40,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:12:40,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:12:40,837 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_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2022-12-14 08:12:41,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:12:41,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:12:41,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:12:41,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:12:41,044 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:12:41,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-12-14 08:12:43,726 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:12:43,912 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:12:43,912 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-12-14 08:12:43,923 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/data/ac64340eb/dc2ca82b812042e48d5c07af2d85314d/FLAG22bca3edc [2022-12-14 08:12:43,937 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/data/ac64340eb/dc2ca82b812042e48d5c07af2d85314d [2022-12-14 08:12:43,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:12:43,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:12:43,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:12:43,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:12:43,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:12:43,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:12:43" (1/1) ... [2022-12-14 08:12:43,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faa8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:43, skipping insertion in model container [2022-12-14 08:12:43,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:12:43" (1/1) ... [2022-12-14 08:12:43,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:12:43,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:12:44,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-12-14 08:12:44,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:12:44,176 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:12:44,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-12-14 08:12:44,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:12:44,223 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:12:44,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44 WrapperNode [2022-12-14 08:12:44,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:12:44,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:12:44,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:12:44,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:12:44,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,252 INFO L138 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-12-14 08:12:44,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:12:44,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:12:44,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:12:44,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:12:44,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:12:44,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:12:44,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:12:44,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:12:44,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (1/1) ... [2022-12-14 08:12:44,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:12:44,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:12:44,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:12:44,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-12-14 08:12:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:12:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:12:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:12:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:12:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:12:44,417 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:12:44,418 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:12:44,435 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-12-14 08:12:44,560 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:12:44,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:12:44,583 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 08:12:44,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:12:44 BoogieIcfgContainer [2022-12-14 08:12:44,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:12:44,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:12:44,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:12:44,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:12:44,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:12:43" (1/3) ... [2022-12-14 08:12:44,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b53737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:12:44, skipping insertion in model container [2022-12-14 08:12:44,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:12:44" (2/3) ... [2022-12-14 08:12:44,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b53737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:12:44, skipping insertion in model container [2022-12-14 08:12:44,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:12:44" (3/3) ... [2022-12-14 08:12:44,591 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2022-12-14 08:12:44,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:12:44,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:12:44,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:12:44,643 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;@5f2f2c2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:12:44,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:12:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:12:44,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:44,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:12:44,651 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:12:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:44,655 INFO L85 PathProgramCache]: Analyzing trace with hash 545307248, now seen corresponding path program 1 times [2022-12-14 08:12:44,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:44,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576552263] [2022-12-14 08:12:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:12:44,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:44,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576552263] [2022-12-14 08:12:44,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576552263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:12:44,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:12:44,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:12:44,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615064555] [2022-12-14 08:12:44,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:12:44,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:12:44,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:44,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:12:44,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:12:44,908 INFO L87 Difference]: Start difference. First operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:44,944 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2022-12-14 08:12:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:12:44,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 08:12:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:44,951 INFO L225 Difference]: With dead ends: 38 [2022-12-14 08:12:44,951 INFO L226 Difference]: Without dead ends: 18 [2022-12-14 08:12:44,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:12:44,956 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:44,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 39 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:12:44,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-14 08:12:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-12-14 08:12:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-14 08:12:44,980 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 7 [2022-12-14 08:12:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:44,980 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-14 08:12:44,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-14 08:12:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:12:44,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:44,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:12:44,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:12:44,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:12:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash 76022282, now seen corresponding path program 1 times [2022-12-14 08:12:44,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:44,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117257489] [2022-12-14 08:12:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:44,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:12:45,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:45,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117257489] [2022-12-14 08:12:45,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117257489] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:12:45,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437849849] [2022-12-14 08:12:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:12:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:12:45,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:12:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:12:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:45,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:12:45,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:12:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:12:45,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:12:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:12:45,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437849849] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:12:45,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1084280535] [2022-12-14 08:12:45,247 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 08:12:45,247 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:12:45,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:12:45,253 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:12:45,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:12:45,339 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 08:12:45,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 08:12:45,383 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:12:45,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 08:12:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:45,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 37 [2022-12-14 08:12:45,552 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 08:12:45,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 08:12:45,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 08:12:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 08:12:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:12:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:12:45,735 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-12-14 08:12:45,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-12-14 08:12:45,811 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 08:12:45,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-12-14 08:12:45,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,968 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-12-14 08:12:45,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 390 treesize of output 373 [2022-12-14 08:12:45,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:45,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:45,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:46,013 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-12-14 08:12:46,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 388 treesize of output 382 [2022-12-14 08:12:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:46,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:46,080 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 08:12:46,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 397 treesize of output 384 [2022-12-14 08:12:46,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:46,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:46,130 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 08:12:46,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 445 treesize of output 432 [2022-12-14 08:12:46,337 INFO L321 Elim1Store]: treesize reduction 170, result has 15.0 percent of original size [2022-12-14 08:12:46,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 431 treesize of output 437 [2022-12-14 08:12:46,441 INFO L321 Elim1Store]: treesize reduction 226, result has 16.9 percent of original size [2022-12-14 08:12:46,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 436 treesize of output 457 [2022-12-14 08:12:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,595 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 22 treesize of output 7 [2022-12-14 08:12:46,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,619 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 16 treesize of output 17 [2022-12-14 08:12:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:46,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 08:12:46,667 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 [2022-12-14 08:12:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,702 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 22 treesize of output 7 [2022-12-14 08:12:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:46,730 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 16 treesize of output 17 [2022-12-14 08:12:46,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:12:46,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:12:46,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:12:46,830 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 [2022-12-14 08:12:46,842 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 [2022-12-14 08:12:46,854 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:12:47,605 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '162#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (not (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-12-14 08:12:47,605 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:12:47,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:12:47,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-14 08:12:47,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972995157] [2022-12-14 08:12:47,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:12:47,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:12:47,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:47,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:12:47,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:12:47,608 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:47,637 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-12-14 08:12:47,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:12:47,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 08:12:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:47,638 INFO L225 Difference]: With dead ends: 34 [2022-12-14 08:12:47,638 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 08:12:47,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:12:47,640 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:47,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 36 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:12:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 08:12:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-14 08:12:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-14 08:12:47,644 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2022-12-14 08:12:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:47,644 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-14 08:12:47,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 08:12:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 08:12:47,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:47,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:12:47,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:12:47,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:12:47,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:12:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:47,849 INFO L85 PathProgramCache]: Analyzing trace with hash 633974256, now seen corresponding path program 2 times [2022-12-14 08:12:47,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:47,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217391597] [2022-12-14 08:12:47,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:12:48,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:48,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217391597] [2022-12-14 08:12:48,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217391597] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:12:48,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110057749] [2022-12-14 08:12:48,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:12:48,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:12:48,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:12:48,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:12:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:12:48,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 08:12:48,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:12:48,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 08:12:48,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:12:48,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 08:12:48,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:12:48,799 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 15 treesize of output 7 [2022-12-14 08:12:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 08:12:48,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:12:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 08:12:48,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110057749] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:12:48,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [539554333] [2022-12-14 08:12:48,957 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 08:12:48,957 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:12:48,957 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:12:48,957 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:12:48,958 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:12:48,987 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:12:48,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 08:12:48,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 08:12:49,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:49,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 37 [2022-12-14 08:12:49,096 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 08:12:49,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 08:12:49,143 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 08:12:49,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 08:12:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:12:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:12:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 08:12:49,285 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-12-14 08:12:49,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-12-14 08:12:49,344 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 08:12:49,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-12-14 08:12:49,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,473 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-12-14 08:12:49,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 390 treesize of output 373 [2022-12-14 08:12:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,512 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-12-14 08:12:49,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 388 treesize of output 382 [2022-12-14 08:12:49,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,556 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 08:12:49,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 397 treesize of output 384 [2022-12-14 08:12:49,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:49,591 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 08:12:49,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 445 treesize of output 432 [2022-12-14 08:12:49,785 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-12-14 08:12:49,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 436 treesize of output 465 [2022-12-14 08:12:49,812 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-12-14 08:12:49,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 431 treesize of output 437 [2022-12-14 08:12:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,963 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 16 treesize of output 17 [2022-12-14 08:12:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,970 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 22 treesize of output 7 [2022-12-14 08:12:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:49,981 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 22 treesize of output 7 [2022-12-14 08:12:50,000 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 [2022-12-14 08:12:50,010 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 [2022-12-14 08:12:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:50,034 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 22 treesize of output 7 [2022-12-14 08:12:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:50,045 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 22 treesize of output 7 [2022-12-14 08:12:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:50,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 08:12:50,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:12:50,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:12:50,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:12:50,134 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 [2022-12-14 08:12:50,140 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 [2022-12-14 08:12:50,150 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:12:50,818 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '374#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (not (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-12-14 08:12:50,818 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:12:50,818 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:12:50,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 18 [2022-12-14 08:12:50,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246415298] [2022-12-14 08:12:50,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:12:50,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 08:12:50,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:50,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 08:12:50,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2022-12-14 08:12:50,820 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:51,113 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-12-14 08:12:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 08:12:51,114 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 08:12:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:51,114 INFO L225 Difference]: With dead ends: 33 [2022-12-14 08:12:51,114 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 08:12:51,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 08:12:51,116 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 89 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:51,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 53 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:12:51,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 08:12:51,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2022-12-14 08:12:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-12-14 08:12:51,121 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 19 [2022-12-14 08:12:51,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:51,122 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-12-14 08:12:51,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:12:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-12-14 08:12:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 08:12:51,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:51,122 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:12:51,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:12:51,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:12:51,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:12:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1756795556, now seen corresponding path program 1 times [2022-12-14 08:12:51,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:51,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2382533] [2022-12-14 08:12:51,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:51,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:12:52,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:52,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2382533] [2022-12-14 08:12:52,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2382533] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:12:52,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562671746] [2022-12-14 08:12:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:12:52,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:12:52,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:12:52,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:12:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:52,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 79 conjunts are in the unsatisfiable core [2022-12-14 08:12:52,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:12:52,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 08:12:52,369 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 08:12:52,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 08:12:52,409 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:12:52,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 08:12:52,432 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 08:12:52,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 08:12:52,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 08:12:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:52,548 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 [2022-12-14 08:12:52,557 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 08:12:52,557 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 1 case distinctions, treesize of input 18 treesize of output 28 [2022-12-14 08:12:52,563 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 [2022-12-14 08:12:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:52,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 08:12:52,624 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:12:52,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2022-12-14 08:12:52,633 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 08:12:52,633 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:12:52,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 08:12:52,802 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:52,802 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 54 [2022-12-14 08:12:52,831 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 08:12:52,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 70 [2022-12-14 08:12:52,841 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:52,842 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 49 [2022-12-14 08:12:52,954 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 15 treesize of output 7 [2022-12-14 08:12:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:12:52,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:12:53,710 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse4 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse0 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse24 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse24 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse24 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse23 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse23 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse23 .cse4)))))))) (.cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse8 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)))))) (.cse9 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) (.cse10 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (and .cse0 .cse1 (or (and (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse3 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse3 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse3 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse0 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))))) .cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse5 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse5 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) .cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse7 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse7 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse7 .cse4))))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4))))) .cse8 .cse9) .cse10) (or (and .cse0 .cse9) .cse10) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse10) (or (and .cse1 .cse8) .cse10) .cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse11 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse11 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse11 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse8 .cse9 (or (let ((.cse12 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) (.cse13 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse22 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse22 .cse4)))))))) (.cse15 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)))))) (.cse16 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse21 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse21 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse21 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse19 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|))))) (and .cse12 .cse13 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse14 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse14 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse15 (or (and .cse13 .cse15) .cse10) (or (and .cse12 .cse16) .cse10) (or (and .cse12 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse17 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse17 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse17 .cse4))))) .cse13 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4))) .cse15 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse18 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse18 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse18 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) .cse16 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse19 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse20 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse20 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))))) .cse10) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse10) .cse16 .cse19)) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) is different from false [2022-12-14 08:12:57,839 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:57,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 45 [2022-12-14 08:12:57,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:57,850 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:57,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 49 [2022-12-14 08:12:57,855 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:57,855 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 13 treesize of output 15 [2022-12-14 08:12:57,862 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:57,862 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 21 treesize of output 23 [2022-12-14 08:12:57,875 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,876 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:57,880 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,881 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 1 case distinctions, treesize of input 55 treesize of output 1 [2022-12-14 08:12:57,886 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,886 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 1 case distinctions, treesize of input 55 treesize of output 1 [2022-12-14 08:12:57,891 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,891 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:57,896 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,896 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:57,900 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,900 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:57,905 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:57,905 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:57,911 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:57,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-12-14 08:12:57,922 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 276 treesize of output 258 [2022-12-14 08:12:57,928 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 254 treesize of output 238 [2022-12-14 08:12:57,932 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 238 treesize of output 230 [2022-12-14 08:12:57,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:57,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 204 [2022-12-14 08:12:58,012 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:12:58,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-12-14 08:12:58,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,018 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 36 treesize of output 24 [2022-12-14 08:12:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-12-14 08:12:58,025 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 [2022-12-14 08:12:58,033 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:58,034 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:58,038 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 08:12:58,039 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 1 case distinctions, treesize of input 28 treesize of output 1 [2022-12-14 08:12:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 6 not checked. [2022-12-14 08:12:58,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562671746] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:12:58,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1563290026] [2022-12-14 08:12:58,261 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-12-14 08:12:58,261 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:12:58,261 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:12:58,261 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:12:58,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:12:58,296 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:12:58,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 08:12:58,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 08:12:58,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:58,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 37 [2022-12-14 08:12:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:58,374 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 08:12:58,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 08:12:58,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 08:12:58,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 08:12:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:12:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:12:58,501 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 08:12:58,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-12-14 08:12:58,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2022-12-14 08:12:58,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,607 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-12-14 08:12:58,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 392 treesize of output 375 [2022-12-14 08:12:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,640 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 08:12:58,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 399 treesize of output 386 [2022-12-14 08:12:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,681 INFO L321 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2022-12-14 08:12:58,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 410 treesize of output 404 [2022-12-14 08:12:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:58,714 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 08:12:58,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 419 treesize of output 406 [2022-12-14 08:12:58,879 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-12-14 08:12:58,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 450 treesize of output 479 [2022-12-14 08:12:58,902 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-12-14 08:12:58,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 445 treesize of output 451 [2022-12-14 08:12:58,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:58,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:12:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,002 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 22 treesize of output 7 [2022-12-14 08:12:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,011 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 16 treesize of output 17 [2022-12-14 08:12:59,025 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 [2022-12-14 08:12:59,029 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 [2022-12-14 08:12:59,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,050 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 22 treesize of output 7 [2022-12-14 08:12:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,060 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 22 treesize of output 7 [2022-12-14 08:12:59,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,072 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 16 treesize of output 17 [2022-12-14 08:12:59,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:12:59,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:12:59,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:12:59,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 08:12:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:12:59,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 08:12:59,150 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 0 case distinctions, treesize of input 23 treesize of output 13 [2022-12-14 08:12:59,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,226 INFO L321 Elim1Store]: treesize reduction 72, result has 37.4 percent of original size [2022-12-14 08:12:59,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 175 treesize of output 164 [2022-12-14 08:12:59,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:12:59,272 INFO L321 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-12-14 08:12:59,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 135 [2022-12-14 08:12:59,293 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-12-14 08:12:59,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 23 [2022-12-14 08:12:59,372 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 0 case distinctions, treesize of input 25 treesize of output 15 [2022-12-14 08:12:59,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 08:12:59,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 08:12:59,441 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 [2022-12-14 08:12:59,447 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 [2022-12-14 08:12:59,454 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:13:00,321 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '634#(and (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_main_~data_init~0#1|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#res#1.offset| 0) (<= |ULTIMATE.start_main_~data_init~0#1| 1) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |ULTIMATE.start_sll_circular_create_~last~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-12-14 08:13:00,321 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:13:00,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:13:00,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 29 [2022-12-14 08:13:00,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330433103] [2022-12-14 08:13:00,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:13:00,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 08:13:00,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:13:00,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 08:13:00,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1127, Unknown=22, NotChecked=68, Total=1332 [2022-12-14 08:13:00,322 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 30 states, 30 states have (on average 1.8) internal successors, (54), 29 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:13:01,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:13:01,914 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2022-12-14 08:13:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 08:13:01,915 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.8) internal successors, (54), 29 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-14 08:13:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:13:01,915 INFO L225 Difference]: With dead ends: 48 [2022-12-14 08:13:01,916 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 08:13:01,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 39 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=336, Invalid=1804, Unknown=26, NotChecked=90, Total=2256 [2022-12-14 08:13:01,918 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 242 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:13:01,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 97 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 248 Invalid, 0 Unknown, 28 Unchecked, 0.3s Time] [2022-12-14 08:13:01,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 08:13:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 30. [2022-12-14 08:13:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:13:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-12-14 08:13:01,923 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2022-12-14 08:13:01,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:13:01,923 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-12-14 08:13:01,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.8) internal successors, (54), 29 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:13:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-14 08:13:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 08:13:01,923 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:13:01,923 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:13:01,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:13:02,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:13:02,124 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:13:02,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:13:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1375297979, now seen corresponding path program 1 times [2022-12-14 08:13:02,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:13:02,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214653890] [2022-12-14 08:13:02,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:02,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:13:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:13:02,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:13:02,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214653890] [2022-12-14 08:13:02,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214653890] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:13:02,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161622173] [2022-12-14 08:13:02,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:02,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:13:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:13:02,428 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:13:02,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:13:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:02,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 08:13:02,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:13:02,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 08:13:02,560 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:13:02,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 08:13:02,580 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:13:02,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 08:13:02,594 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 08:13:02,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 08:13:02,613 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 08:13:02,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 08:13:02,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:02,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 08:13:02,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-12-14 08:13:02,658 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 16 treesize of output 8 [2022-12-14 08:13:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:13:02,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:13:02,692 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:02,693 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 2 case distinctions, treesize of input 24 treesize of output 30 [2022-12-14 08:13:02,695 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 33 treesize of output 25 [2022-12-14 08:13:02,697 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 [2022-12-14 08:13:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 08:13:02,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161622173] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:13:02,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2143219975] [2022-12-14 08:13:02,829 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-12-14 08:13:02,829 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:13:02,829 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:13:02,829 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:13:02,829 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:13:02,850 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 08:13:02,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 08:13:02,878 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:13:02,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 08:13:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:02,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:13:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:02,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 08:13:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:02,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 37 [2022-12-14 08:13:02,956 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 08:13:02,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 08:13:03,002 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 08:13:03,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 08:13:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:13:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-12-14 08:13:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 08:13:03,147 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-12-14 08:13:03,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 313 treesize of output 322 [2022-12-14 08:13:03,222 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-12-14 08:13:03,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 316 treesize of output 336 [2022-12-14 08:13:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,400 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-12-14 08:13:03,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 320 treesize of output 303 [2022-12-14 08:13:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,434 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 08:13:03,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 318 treesize of output 312 [2022-12-14 08:13:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,468 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 08:13:03,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 327 treesize of output 314 [2022-12-14 08:13:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:03,496 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 08:13:03,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 335 treesize of output 322 [2022-12-14 08:13:03,548 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 [2022-12-14 08:13:03,553 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 [2022-12-14 08:13:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,568 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 [2022-12-14 08:13:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,580 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 [2022-12-14 08:13:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,587 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 [2022-12-14 08:13:03,604 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 [2022-12-14 08:13:03,609 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 [2022-12-14 08:13:03,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:13:03,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:13:03,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:13:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 08:13:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:03,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 08:13:03,688 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 0 case distinctions, treesize of input 23 treesize of output 13 [2022-12-14 08:13:03,720 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:13:04,655 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '919#(and (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|)) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (= 2 (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~data_new~0#1|)) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 1) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-12-14 08:13:04,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:13:04,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:13:04,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2022-12-14 08:13:04,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739403346] [2022-12-14 08:13:04,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:13:04,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 08:13:04,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:13:04,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 08:13:04,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=522, Unknown=5, NotChecked=0, Total=600 [2022-12-14 08:13:04,656 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:13:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:13:04,823 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-12-14 08:13:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 08:13:04,823 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-14 08:13:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:13:04,824 INFO L225 Difference]: With dead ends: 40 [2022-12-14 08:13:04,824 INFO L226 Difference]: Without dead ends: 34 [2022-12-14 08:13:04,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=151, Invalid=774, Unknown=5, NotChecked=0, Total=930 [2022-12-14 08:13:04,826 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 70 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:13:04,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 59 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:13:04,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-14 08:13:04,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2022-12-14 08:13:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:13:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-12-14 08:13:04,830 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 23 [2022-12-14 08:13:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:13:04,830 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-12-14 08:13:04,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:13:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-12-14 08:13:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 08:13:04,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:13:04,831 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 08:13:04,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 08:13:05,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:13:05,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:13:05,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:13:05,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1774124688, now seen corresponding path program 2 times [2022-12-14 08:13:05,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:13:05,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765586676] [2022-12-14 08:13:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:13:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:13:06,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:13:06,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765586676] [2022-12-14 08:13:06,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765586676] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:13:06,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527561269] [2022-12-14 08:13:06,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:13:06,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:13:06,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:13:06,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:13:06,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d1b888-e835-48e0-ad80-f68d1611b780/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:13:07,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 08:13:07,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:13:07,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 100 conjunts are in the unsatisfiable core [2022-12-14 08:13:07,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:13:07,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 08:13:07,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 08:13:07,184 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 08:13:07,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 08:13:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:07,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-14 08:13:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:07,236 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 [2022-12-14 08:13:07,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 08:13:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:07,342 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:13:07,343 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 1 case distinctions, treesize of input 36 treesize of output 39 [2022-12-14 08:13:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:07,352 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-12-14 08:13:07,352 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 1 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 08:13:07,365 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 08:13:07,365 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 08:13:07,371 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 [2022-12-14 08:13:07,494 INFO L321 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2022-12-14 08:13:07,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 80 [2022-12-14 08:13:07,504 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 08:13:07,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2022-12-14 08:13:07,527 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 08:13:07,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:13:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:07,938 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 08:13:07,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 148 treesize of output 119 [2022-12-14 08:13:07,970 INFO L321 Elim1Store]: treesize reduction 36, result has 58.6 percent of original size [2022-12-14 08:13:07,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 178 [2022-12-14 08:13:07,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:07,980 INFO L321 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2022-12-14 08:13:07,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 143 treesize of output 143 [2022-12-14 08:13:08,206 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:13:08,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:08,665 INFO L321 Elim1Store]: treesize reduction 29, result has 40.8 percent of original size [2022-12-14 08:13:08,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 130 treesize of output 91 [2022-12-14 08:13:08,676 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 08:13:08,676 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 1 case distinctions, treesize of input 48 treesize of output 50 [2022-12-14 08:13:08,695 INFO L321 Elim1Store]: treesize reduction 17, result has 54.1 percent of original size [2022-12-14 08:13:08,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 58 [2022-12-14 08:13:08,826 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 15 treesize of output 7 [2022-12-14 08:13:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:13:08,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:13:11,254 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (and (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (.cse6 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) (let ((.cse7 (select .cse6 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|)) (.cse3 (select .cse2 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)) (.cse5 (select .cse7 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))) (let ((.cse0 (select (select (store .cse6 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse7 .cse4 v_ArrVal_718)) .cse1) .cse5))) (or (= .cse0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715)) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| v_ArrVal_720) .cse1 v_ArrVal_722) (select (select (store .cse2 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse3 .cse4 v_ArrVal_717)) .cse1) .cse5)) (+ .cse0 4)) |c_ULTIMATE.start_main_~data_init~0#1|) (= .cse5 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse13 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (.cse10 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) (let ((.cse11 (select .cse10 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|)) (.cse14 (select .cse13 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (let ((.cse8 (select .cse14 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)) (.cse12 (select .cse11 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))) (let ((.cse9 (select (select (store .cse13 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse14 .cse4 v_ArrVal_717)) .cse8) .cse12))) (or (= (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715)) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| v_ArrVal_720) .cse8 v_ArrVal_722) .cse9) (+ (select (select (store .cse10 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse11 .cse4 v_ArrVal_718)) .cse8) .cse12) 4)) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| .cse9) (= .cse12 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse17 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (.cse20 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) (let ((.cse21 (select .cse20 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|)) (.cse18 (select .cse17 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (let ((.cse15 (select .cse18 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)) (.cse19 (select .cse21 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))) (let ((.cse16 (select (select (store .cse20 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse21 .cse4 v_ArrVal_718)) .cse15) .cse19))) (or (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| .cse15) (= .cse16 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715)) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| v_ArrVal_720) .cse15 v_ArrVal_722) (select (select (store .cse17 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse18 .cse4 v_ArrVal_717)) .cse15) .cse19)) (+ .cse16 4)) |c_ULTIMATE.start_main_~data_init~0#1|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse27 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (.cse24 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|)) (.cse28 (select .cse27 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (let ((.cse22 (select .cse28 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)) (.cse26 (select .cse25 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))) (let ((.cse23 (select (select (store .cse27 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse28 .cse4 v_ArrVal_717)) .cse22) .cse26))) (or (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| .cse22) (= (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715)) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| v_ArrVal_720) .cse22 v_ArrVal_722) .cse23) (+ (select (select (store .cse24 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (store .cse25 .cse4 v_ArrVal_718)) .cse22) .cse26) 4)) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| .cse23))))))))) is different from false [2022-12-14 08:13:12,054 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (and (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse7 (let ((.cse10 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse5 v_ArrVal_709)))) (store .cse10 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse10 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse3 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) .cse5 v_ArrVal_704)))) (store .cse9 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse9 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (let ((.cse4 (select .cse3 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse8 (select .cse7 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse1 (select .cse8 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse6 (select .cse4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (let ((.cse2 (select (select (store .cse7 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse8 .cse5 v_ArrVal_717)) .cse1) .cse6))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (let ((.cse0 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse0 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse0 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse1 v_ArrVal_722) .cse2) (+ (select (select (store .cse3 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse4 .cse5 v_ArrVal_718)) .cse1) .cse6) 4))) (= .cse6 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse2))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse13 (let ((.cse20 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse5 v_ArrVal_709)))) (store .cse20 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse20 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse17 (let ((.cse19 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) .cse5 v_ArrVal_704)))) (store .cse19 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse19 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (let ((.cse18 (select .cse17 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse14 (select .cse13 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse12 (select .cse14 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse15 (select .cse18 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (let ((.cse16 (select (select (store .cse17 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse18 .cse5 v_ArrVal_718)) .cse12) .cse15))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (let ((.cse11 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse11 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse11 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse12 v_ArrVal_722) (select (select (store .cse13 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse14 .cse5 v_ArrVal_717)) .cse12) .cse15)) (+ .cse16 4))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse12) (= .cse16 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse27 (let ((.cse30 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse5 v_ArrVal_709)))) (store .cse30 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse30 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse24 (let ((.cse29 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) .cse5 v_ArrVal_704)))) (store .cse29 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse29 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (let ((.cse25 (select .cse24 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse28 (select .cse27 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse22 (select .cse28 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse26 (select .cse25 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (let ((.cse23 (select (select (store .cse27 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse28 .cse5 v_ArrVal_717)) .cse22) .cse26))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (let ((.cse21 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse21 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse21 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse22 v_ArrVal_722) .cse23) (+ (select (select (store .cse24 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse25 .cse5 v_ArrVal_718)) .cse22) .cse26) 4))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse22) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse23))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse33 (let ((.cse40 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse5 v_ArrVal_709)))) (store .cse40 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse40 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse37 (let ((.cse39 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) .cse5 v_ArrVal_704)))) (store .cse39 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse39 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (let ((.cse38 (select .cse37 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse34 (select .cse33 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse32 (select .cse34 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse35 (select .cse38 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (let ((.cse36 (select (select (store .cse37 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse38 .cse5 v_ArrVal_718)) .cse32) .cse35))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (let ((.cse31 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse31 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse31 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse32 v_ArrVal_722) (select (select (store .cse33 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse34 .cse5 v_ArrVal_717)) .cse32) .cse35)) (+ .cse36 4))) (= .cse35 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) (= .cse36 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))))))) is different from false [2022-12-14 08:13:12,640 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse6 (let ((.cse9 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_709)))) (store .cse9 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse9 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse3 (let ((.cse8 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_704)))) (store .cse8 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse8 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse4 (select .cse3 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse7 (select .cse6 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse0 (select .cse7 0)) (.cse5 (select .cse4 0))) (let ((.cse1 (select (select (store .cse6 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse7 4 v_ArrVal_717)) .cse0) .cse5))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse0) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse1) (= (select (select (store (store (let ((.cse2 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse2 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse2 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse0 v_ArrVal_722) .cse1) (+ (select (select (store .cse3 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse4 4 v_ArrVal_718)) .cse0) .cse5) 4)) |c_ULTIMATE.start_main_~data_init~0#1|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse12 (let ((.cse19 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_709)))) (store .cse19 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse19 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse16 (let ((.cse18 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_704)))) (store .cse18 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse18 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse17 (select .cse16 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse13 (select .cse12 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse10 (select .cse13 0)) (.cse14 (select .cse17 0))) (let ((.cse15 (select (select (store .cse16 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse17 4 v_ArrVal_718)) .cse10) .cse14))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse10) (= (select (select (store (store (let ((.cse11 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse11 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse11 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse10 v_ArrVal_722) (select (select (store .cse12 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse13 4 v_ArrVal_717)) .cse10) .cse14)) (+ .cse15 4)) |c_ULTIMATE.start_main_~data_init~0#1|) (= .cse15 0))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse26 (let ((.cse29 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_709)))) (store .cse29 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse29 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse24 (let ((.cse28 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_704)))) (store .cse28 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse28 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse25 (select .cse24 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse27 (select .cse26 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse23 (select .cse27 0)) (.cse20 (select .cse25 0))) (let ((.cse21 (select (select (store .cse26 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse27 4 v_ArrVal_717)) .cse23) .cse20))) (or (= .cse20 0) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse21) (= (select (select (store (store (let ((.cse22 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse22 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse22 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse23 v_ArrVal_722) .cse21) (+ (select (select (store .cse24 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse25 4 v_ArrVal_718)) .cse23) .cse20) 4)) |c_ULTIMATE.start_main_~data_init~0#1|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_709 Int) (v_ArrVal_706 (Array Int Int)) (v_ArrVal_718 Int) (v_ArrVal_717 Int) (v_ArrVal_704 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_715 Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_720 (Array Int Int))) (let ((.cse33 (let ((.cse39 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_709)))) (store .cse39 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse39 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse36 (let ((.cse38 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_704)))) (store .cse38 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse38 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse37 (select .cse36 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse34 (select .cse33 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse32 (select .cse34 0)) (.cse30 (select .cse37 0))) (let ((.cse35 (select (select (store .cse36 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse37 4 v_ArrVal_718)) .cse32) .cse30))) (or (= .cse30 0) (= (select (select (store (store (let ((.cse31 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_706))) (store .cse31 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse31 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_715))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_720) .cse32 v_ArrVal_722) (select (select (store .cse33 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse34 4 v_ArrVal_717)) .cse32) .cse30)) (+ .cse35 4)) |c_ULTIMATE.start_main_~data_init~0#1|) (= .cse35 0)))))))) is different from false [2022-12-14 08:13:12,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:13:12,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:12,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:13,456 INFO L321 Elim1Store]: treesize reduction 137, result has 38.6 percent of original size [2022-12-14 08:13:13,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 43291 treesize of output 43212 [2022-12-14 08:13:13,612 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:13,612 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 51977 treesize of output 46795 [2022-12-14 08:13:13,889 INFO L321 Elim1Store]: treesize reduction 355, result has 26.2 percent of original size [2022-12-14 08:13:13,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 747596 treesize of output 746607 [2022-12-14 08:13:24,648 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 931 DAG size of output: 925 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 08:13:26,995 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:26,995 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 309 treesize of output 317 [2022-12-14 08:13:28,432 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 [2022-12-14 08:13:28,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-12-14 08:13:28,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-12-14 08:13:28,945 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:28,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 266 treesize of output 290 [2022-12-14 08:13:30,200 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:30,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2022-12-14 08:13:30,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-12-14 08:13:30,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:13:30,674 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:13:30,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 189