./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --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-38b53e6 [2022-11-25 15:32:56,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:32:56,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:32:56,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:32:56,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:32:56,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:32:56,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:32:56,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:32:56,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:32:56,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:32:56,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:32:56,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:32:56,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:32:56,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:32:56,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:32:56,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:32:56,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:32:56,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:32:56,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:32:56,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:32:56,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:32:56,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:32:56,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:32:56,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:32:56,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:32:56,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:32:56,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:32:56,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:32:56,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:32:56,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:32:56,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:32:56,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:32:56,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:32:56,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:32:56,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:32:56,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:32:56,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:32:56,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:32:56,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:32:56,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:32:56,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:32:56,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-25 15:32:56,197 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:32:56,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:32:56,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:32:56,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:32:56,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:32:56,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:32:56,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:32:56,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:32:56,201 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:32:56,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:32:56,202 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:32:56,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:32:56,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:32:56,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:32:56,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:32:56,204 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 15:32:56,204 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 15:32:56,204 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 15:32:56,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:32:56,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:32:56,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:32:56,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:32:56,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:32:56,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:32:56,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:32:56,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:32:56,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:32:56,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:32:56,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:32:56,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:32:56,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:32:56,208 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:32:56,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:32:56,209 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2022-11-25 15:32:56,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:32:56,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:32:56,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:32:56,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:32:56,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:32:56,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-25 15:32:59,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:32:59,748 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:32:59,748 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-25 15:32:59,761 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/data/bd6aaac99/6ec12761c84d43caab46740b77b124cd/FLAG86ba3d5fb [2022-11-25 15:32:59,777 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/data/bd6aaac99/6ec12761c84d43caab46740b77b124cd [2022-11-25 15:32:59,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:32:59,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:32:59,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:32:59,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:32:59,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:32:59,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:59" (1/1) ... [2022-11-25 15:32:59,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139e6036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:59, skipping insertion in model container [2022-11-25 15:32:59,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:59" (1/1) ... [2022-11-25 15:32:59,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:32:59,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:33:00,171 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_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-25 15:33:00,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:00,192 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:33:00,260 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_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-25 15:33:00,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:00,292 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:33:00,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00 WrapperNode [2022-11-25 15:33:00,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:00,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:00,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:33:00,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:33:00,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,359 INFO L138 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2022-11-25 15:33:00,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:00,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:33:00,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:33:00,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:33:00,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:33:00,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:33:00,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:33:00,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:33:00,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2022-11-25 15:33:00,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:33:00,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:00,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:00,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:33:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-25 15:33:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-25 15:33:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:33:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:33:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 15:33:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:33:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 15:33:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 15:33:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:33:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:33:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:33:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:33:00,655 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:33:00,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:33:00,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-25 15:33:01,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:33:01,012 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:33:01,026 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 15:33:01,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:01 BoogieIcfgContainer [2022-11-25 15:33:01,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:33:01,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:33:01,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:33:01,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:33:01,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:32:59" (1/3) ... [2022-11-25 15:33:01,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59494e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:33:01, skipping insertion in model container [2022-11-25 15:33:01,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (2/3) ... [2022-11-25 15:33:01,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59494e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:33:01, skipping insertion in model container [2022-11-25 15:33:01,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:01" (3/3) ... [2022-11-25 15:33:01,039 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2022-11-25 15:33:01,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:33:01,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-25 15:33:01,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:33:01,121 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79c2a2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:33:01,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-25 15:33:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 39 states have (on average 2.0) internal successors, (78), 68 states have internal predecessors, (78), 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) [2022-11-25 15:33:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 15:33:01,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:01,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 15:33:01,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:01,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:01,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1079622, now seen corresponding path program 1 times [2022-11-25 15:33:01,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:01,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949727738] [2022-11-25 15:33:01,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:01,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:01,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:01,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949727738] [2022-11-25 15:33:01,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949727738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:01,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:01,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:33:01,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792122243] [2022-11-25 15:33:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:01,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:33:01,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:01,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:01,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:01,454 INFO L87 Difference]: Start difference. First operand has 70 states, 39 states have (on average 2.0) internal successors, (78), 68 states have internal predecessors, (78), 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, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:01,550 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2022-11-25 15:33:01,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:01,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 15:33:01,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:01,560 INFO L225 Difference]: With dead ends: 92 [2022-11-25 15:33:01,560 INFO L226 Difference]: Without dead ends: 86 [2022-11-25 15:33:01,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:01,565 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 60 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:01,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 67 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:33:01,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-25 15:33:01,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 61. [2022-11-25 15:33:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.8055555555555556) internal successors, (65), 60 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2022-11-25 15:33:01,600 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 4 [2022-11-25 15:33:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:01,601 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2022-11-25 15:33:01,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-11-25 15:33:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 15:33:01,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:01,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 15:33:01,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:33:01,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:01,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:01,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1079623, now seen corresponding path program 1 times [2022-11-25 15:33:01,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:01,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413875404] [2022-11-25 15:33:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:01,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:01,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413875404] [2022-11-25 15:33:01,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413875404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:01,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:01,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:33:01,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918311860] [2022-11-25 15:33:01,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:01,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:33:01,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:01,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:01,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:01,723 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:01,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:01,767 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-11-25 15:33:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:01,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 15:33:01,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:01,769 INFO L225 Difference]: With dead ends: 58 [2022-11-25 15:33:01,769 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 15:33:01,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:01,771 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:01,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 42 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:33:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 15:33:01,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 15:33:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 57 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-11-25 15:33:01,777 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 4 [2022-11-25 15:33:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:01,777 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-11-25 15:33:01,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-11-25 15:33:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 15:33:01,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:01,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:01,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:33:01,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:01,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:01,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2065248729, now seen corresponding path program 1 times [2022-11-25 15:33:01,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:01,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340467592] [2022-11-25 15:33:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:01,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:01,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340467592] [2022-11-25 15:33:01,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340467592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:01,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:01,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:33:01,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463613683] [2022-11-25 15:33:01,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:01,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:33:01,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:01,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:01,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:01,935 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:02,052 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2022-11-25 15:33:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:02,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-25 15:33:02,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:02,056 INFO L225 Difference]: With dead ends: 98 [2022-11-25 15:33:02,058 INFO L226 Difference]: Without dead ends: 98 [2022-11-25 15:33:02,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:02,061 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 49 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:02,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 118 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:33:02,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-25 15:33:02,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 56. [2022-11-25 15:33:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 55 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2022-11-25 15:33:02,076 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 9 [2022-11-25 15:33:02,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:02,077 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2022-11-25 15:33:02,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-11-25 15:33:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 15:33:02,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:02,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:02,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:33:02,079 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:02,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2065248730, now seen corresponding path program 1 times [2022-11-25 15:33:02,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:02,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698401463] [2022-11-25 15:33:02,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:02,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:02,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698401463] [2022-11-25 15:33:02,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698401463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:02,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:02,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:33:02,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447669307] [2022-11-25 15:33:02,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:02,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:33:02,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:02,191 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:02,254 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2022-11-25 15:33:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:02,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-25 15:33:02,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:02,255 INFO L225 Difference]: With dead ends: 98 [2022-11-25 15:33:02,256 INFO L226 Difference]: Without dead ends: 98 [2022-11-25 15:33:02,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:02,257 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 50 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:02,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:33:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-25 15:33:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 54. [2022-11-25 15:33:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 53 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2022-11-25 15:33:02,263 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 9 [2022-11-25 15:33:02,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:02,264 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2022-11-25 15:33:02,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-11-25 15:33:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:33:02,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:02,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:02,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:33:02,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:02,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:02,266 INFO L85 PathProgramCache]: Analyzing trace with hash 427661500, now seen corresponding path program 1 times [2022-11-25 15:33:02,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:02,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270520290] [2022-11-25 15:33:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:02,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:02,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270520290] [2022-11-25 15:33:02,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270520290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:02,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:02,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:33:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283698931] [2022-11-25 15:33:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:02,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:33:02,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:02,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:02,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:02,335 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:02,343 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-11-25 15:33:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:02,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 15:33:02,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:02,345 INFO L225 Difference]: With dead ends: 59 [2022-11-25 15:33:02,345 INFO L226 Difference]: Without dead ends: 59 [2022-11-25 15:33:02,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:02,346 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:02,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 106 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:33:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-25 15:33:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2022-11-25 15:33:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 54 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2022-11-25 15:33:02,352 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 11 [2022-11-25 15:33:02,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:02,352 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2022-11-25 15:33:02,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-11-25 15:33:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 15:33:02,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:02,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:02,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:33:02,354 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:02,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:02,355 INFO L85 PathProgramCache]: Analyzing trace with hash 200371689, now seen corresponding path program 1 times [2022-11-25 15:33:02,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:02,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173295185] [2022-11-25 15:33:02,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:02,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:02,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:02,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173295185] [2022-11-25 15:33:02,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173295185] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:02,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367355505] [2022-11-25 15:33:02,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:02,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:02,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:02,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:02,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:33:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:02,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:33:02,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:02,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:33:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:02,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367355505] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:33:02,831 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:33:02,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-25 15:33:02,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860508310] [2022-11-25 15:33:02,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:33:02,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:33:02,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:02,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:33:02,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-25 15:33:02,835 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:02,863 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-11-25 15:33:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:33:02,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 15:33:02,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:02,865 INFO L225 Difference]: With dead ends: 70 [2022-11-25 15:33:02,865 INFO L226 Difference]: Without dead ends: 70 [2022-11-25 15:33:02,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-25 15:33:02,874 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 8 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:02,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 206 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:33:02,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-25 15:33:02,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-25 15:33:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 69 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-11-25 15:33:02,885 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 16 [2022-11-25 15:33:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:02,886 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-11-25 15:33:02,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-11-25 15:33:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 15:33:02,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:02,888 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:02,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:03,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:03,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:03,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:03,095 INFO L85 PathProgramCache]: Analyzing trace with hash 527522044, now seen corresponding path program 2 times [2022-11-25 15:33:03,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:03,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565811411] [2022-11-25 15:33:03,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:03,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 15:33:03,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:03,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565811411] [2022-11-25 15:33:03,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565811411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:03,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:03,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:33:03,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926844963] [2022-11-25 15:33:03,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:03,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:33:03,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:03,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:33:03,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:33:03,285 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:03,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:03,453 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2022-11-25 15:33:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 15:33:03,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) Word has length 31 [2022-11-25 15:33:03,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:03,454 INFO L225 Difference]: With dead ends: 92 [2022-11-25 15:33:03,455 INFO L226 Difference]: Without dead ends: 92 [2022-11-25 15:33:03,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 15:33:03,456 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 158 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:03,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 88 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:33:03,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-25 15:33:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 67. [2022-11-25 15:33:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 66 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2022-11-25 15:33:03,461 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 31 [2022-11-25 15:33:03,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:03,461 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2022-11-25 15:33:03,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2022-11-25 15:33:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 15:33:03,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:03,463 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:03,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 15:33:03,464 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:03,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash 527522045, now seen corresponding path program 1 times [2022-11-25 15:33:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:03,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748903478] [2022-11-25 15:33:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 15:33:03,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:03,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748903478] [2022-11-25 15:33:03,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748903478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:03,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:03,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:33:03,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463413606] [2022-11-25 15:33:03,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:03,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:33:03,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:33:03,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:33:03,765 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:03,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:03,947 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2022-11-25 15:33:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:33:03,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-25 15:33:03,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:03,949 INFO L225 Difference]: With dead ends: 73 [2022-11-25 15:33:03,949 INFO L226 Difference]: Without dead ends: 73 [2022-11-25 15:33:03,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 15:33:03,950 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 155 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:03,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 60 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:33:03,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-25 15:33:03,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2022-11-25 15:33:03,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2022-11-25 15:33:03,954 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 31 [2022-11-25 15:33:03,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:03,955 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2022-11-25 15:33:03,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2022-11-25 15:33:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 15:33:03,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:03,956 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:03,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 15:33:03,957 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:03,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:03,957 INFO L85 PathProgramCache]: Analyzing trace with hash 142544443, now seen corresponding path program 1 times [2022-11-25 15:33:03,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:03,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804310606] [2022-11-25 15:33:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 15:33:04,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:04,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804310606] [2022-11-25 15:33:04,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804310606] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:04,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872560454] [2022-11-25 15:33:04,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:04,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:04,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:04,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:04,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:33:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:04,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 15:33:05,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:05,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 15:33:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:05,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 15:33:05,434 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 [2022-11-25 15:33:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 15:33:05,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:33:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 15:33:05,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872560454] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:33:05,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:33:05,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2022-11-25 15:33:05,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454820383] [2022-11-25 15:33:05,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:33:05,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 15:33:05,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:05,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 15:33:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-11-25 15:33:05,811 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand has 25 states, 25 states have (on average 2.56) internal successors, (64), 25 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:06,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:06,137 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-11-25 15:33:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:33:06,138 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.56) internal successors, (64), 25 states have internal predecessors, (64), 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 33 [2022-11-25 15:33:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:06,138 INFO L225 Difference]: With dead ends: 70 [2022-11-25 15:33:06,139 INFO L226 Difference]: Without dead ends: 70 [2022-11-25 15:33:06,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=726, Unknown=0, NotChecked=0, Total=930 [2022-11-25 15:33:06,140 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 85 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:06,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 315 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:33:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-25 15:33:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-25 15:33:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 69 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-11-25 15:33:06,143 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 33 [2022-11-25 15:33:06,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:06,144 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-11-25 15:33:06,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.56) internal successors, (64), 25 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-11-25 15:33:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 15:33:06,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:06,145 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:06,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:06,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:06,346 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:06,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:06,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2041941388, now seen corresponding path program 1 times [2022-11-25 15:33:06,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:06,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895390621] [2022-11-25 15:33:06,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:06,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:07,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:07,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895390621] [2022-11-25 15:33:07,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895390621] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:07,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573962082] [2022-11-25 15:33:07,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:07,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:07,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:07,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:07,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:33:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:07,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-25 15:33:07,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:07,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 15:33:07,891 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 15:33:07,891 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 18 [2022-11-25 15:33:07,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:07,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:08,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:08,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 15:33:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:08,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-11-25 15:33:08,114 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 15:33:08,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 15:33:08,129 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 15:33:08,129 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 29 treesize of output 28 [2022-11-25 15:33:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:08,500 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:08,501 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 46 treesize of output 44 [2022-11-25 15:33:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:08,511 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:08,512 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 53 treesize of output 55 [2022-11-25 15:33:08,553 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:08,553 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 40 treesize of output 32 [2022-11-25 15:33:08,564 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:08,565 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 35 treesize of output 31 [2022-11-25 15:33:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:08,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:33:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:09,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573962082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:33:09,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:33:09,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 11] total 27 [2022-11-25 15:33:09,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329321395] [2022-11-25 15:33:09,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:33:09,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-25 15:33:09,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:09,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-25 15:33:09,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2022-11-25 15:33:09,213 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand has 28 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:11,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:11,691 INFO L93 Difference]: Finished difference Result 156 states and 169 transitions. [2022-11-25 15:33:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 15:33:11,691 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-25 15:33:11,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:11,693 INFO L225 Difference]: With dead ends: 156 [2022-11-25 15:33:11,693 INFO L226 Difference]: Without dead ends: 156 [2022-11-25 15:33:11,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=463, Invalid=1517, Unknown=0, NotChecked=0, Total=1980 [2022-11-25 15:33:11,695 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1262 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:11,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 284 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 15:33:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-25 15:33:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 80. [2022-11-25 15:33:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 79 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2022-11-25 15:33:11,700 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 37 [2022-11-25 15:33:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:11,700 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2022-11-25 15:33:11,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-11-25 15:33:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 15:33:11,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:11,701 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:11,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:11,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 15:33:11,907 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:11,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:11,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2041941389, now seen corresponding path program 1 times [2022-11-25 15:33:11,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:11,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933442852] [2022-11-25 15:33:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:13,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:13,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933442852] [2022-11-25 15:33:13,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933442852] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:13,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544450871] [2022-11-25 15:33:13,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:13,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:13,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 15:33:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:13,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-25 15:33:13,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:13,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 15:33:13,528 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 15:33:13,529 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 18 [2022-11-25 15:33:13,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:13,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:13,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:13,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 15:33:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:13,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-11-25 15:33:13,861 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 15:33:13,862 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 29 treesize of output 28 [2022-11-25 15:33:13,874 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 15:33:13,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 15:33:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:14,268 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:14,269 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 53 treesize of output 55 [2022-11-25 15:33:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:14,278 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:14,279 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 46 treesize of output 44 [2022-11-25 15:33:14,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:14,318 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 40 treesize of output 32 [2022-11-25 15:33:14,329 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:14,329 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 35 treesize of output 31 [2022-11-25 15:33:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:14,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:33:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:17,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544450871] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:33:17,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:33:17,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 11] total 34 [2022-11-25 15:33:17,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694984170] [2022-11-25 15:33:17,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:33:17,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-25 15:33:17,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-25 15:33:17,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1081, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 15:33:17,321 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 35 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 35 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:23,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:23,590 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2022-11-25 15:33:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-25 15:33:23,591 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 35 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-25 15:33:23,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:23,591 INFO L225 Difference]: With dead ends: 156 [2022-11-25 15:33:23,592 INFO L226 Difference]: Without dead ends: 156 [2022-11-25 15:33:23,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=963, Invalid=3069, Unknown=0, NotChecked=0, Total=4032 [2022-11-25 15:33:23,594 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1447 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:23,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 256 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 15:33:23,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-25 15:33:23,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 85. [2022-11-25 15:33:23,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 84 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2022-11-25 15:33:23,602 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 37 [2022-11-25 15:33:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:23,603 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2022-11-25 15:33:23,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 35 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2022-11-25 15:33:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-25 15:33:23,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:23,608 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:23,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:23,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:23,819 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:23,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:23,819 INFO L85 PathProgramCache]: Analyzing trace with hash -494379317, now seen corresponding path program 1 times [2022-11-25 15:33:23,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:23,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107399949] [2022-11-25 15:33:23,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:23,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 15:33:25,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:25,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107399949] [2022-11-25 15:33:25,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107399949] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:25,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102044517] [2022-11-25 15:33:25,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:25,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:25,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:25,651 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:25,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 15:33:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:25,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-25 15:33:25,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:26,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 15:33:26,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:26,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:26,191 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-25 15:33:26,191 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 18 treesize of output 28 [2022-11-25 15:33:26,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 15:33:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:26,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-11-25 15:33:26,279 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-25 15:33:26,279 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 26 treesize of output 36 [2022-11-25 15:33:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:26,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 15:33:26,427 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 15:33:26,427 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 31 treesize of output 30 [2022-11-25 15:33:26,443 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 15:33:26,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-25 15:33:26,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-25 15:33:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:26,851 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:26,851 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 55 treesize of output 57 [2022-11-25 15:33:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:26,867 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:26,867 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 48 treesize of output 46 [2022-11-25 15:33:26,885 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-25 15:33:26,885 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 41 treesize of output 51 [2022-11-25 15:33:27,001 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:27,002 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 42 treesize of output 34 [2022-11-25 15:33:27,012 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:27,012 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 37 treesize of output 33 [2022-11-25 15:33:27,202 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 [2022-11-25 15:33:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:27,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:33:28,318 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_983 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (or (= .cse0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (= (select (select (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) .cse0) (+ (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4)) |c_ULTIMATE.start_main_~data_init~0#1|)))) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_983 (Array Int Int))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (or (= .cse1 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) (= (select (select (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) (select (select (store |c_#memory_$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_~new_head~0#1.base|)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (+ .cse1 4)) |c_ULTIMATE.start_main_~data_init~0#1|))))) is different from false [2022-11-25 15:33:29,604 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse1 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse10 (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 ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse45 (select (store (let ((.cse46 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse46 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse46 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse45 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse45 .cse1)))))))))) (.cse11 (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 ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse43 (select (store (let ((.cse44 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse44 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse44 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse43 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse43 .cse1)))))))))) (.cse2 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse19 (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 ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse42 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse42 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse42 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))))))))) (and (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse0 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1)))) .cse2) (or .cse2 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse3 (select (store (let ((.cse5 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse5 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse5 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse3 .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse3 .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|) (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse6 (select (store (let ((.cse7 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse7 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse7 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 .cse4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse6 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse6 .cse1))))))))) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse8 (select (store (let ((.cse9 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse8 .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse8 .cse1))))) .cse2) .cse10 .cse11 (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_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse12 (select (store (let ((.cse13 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse13 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse13 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse12 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse12 .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|) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse14 (select (store (let ((.cse15 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse15 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse15 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 .cse4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse1))))))) .cse10 .cse11 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse16 (select (store (let ((.cse17 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse17 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse17 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse16 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse16 .cse1))))) (= |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_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse18 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))))) .cse19) .cse2) (or (let ((.cse23 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse40 (select (store (let ((.cse41 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse41 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse41 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse40 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse40 .cse1)))))))) (.cse28 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse38 (select (store (let ((.cse39 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse38 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse38 .cse1)))))))) (.cse29 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse37 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse37 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse37 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))))))) (and (or (and (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse20 (select (store (let ((.cse21 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 .cse1))))) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse22 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))) .cse23 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse24 (select (store (let ((.cse25 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse25 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse25 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse24 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse24 .cse1))))) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse26 (select (store (let ((.cse27 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse27 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse27 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 .cse4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse26 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse26 .cse1))))) .cse28 .cse29) .cse2) .cse23 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse30 (select (store (let ((.cse31 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 .cse4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse30 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse30 .cse1))))))) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse32 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse32 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse32 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1)))) .cse2) .cse28 .cse29 (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse33 (select (store (let ((.cse34 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse34 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse34 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse33 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse33 .cse1))))) .cse2) (or .cse2 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse35 (select (store (let ((.cse36 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse36 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse36 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse35 .cse4)) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse35 .cse1)))))))) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) .cse19))) is different from false [2022-11-25 15:33:30,908 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse3 (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 ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse44 (select (store (let ((.cse45 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse45 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse45 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse44 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse44 .cse1)))))))))) (.cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse42 (select (store (let ((.cse43 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse43 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse43 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse42 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse42 .cse1))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|)))) (.cse11 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse10 (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 ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse41 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse41 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse41 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))))))))) (and (or (and (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse0 (select (store (let ((.cse2 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse0 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse0 .cse1))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) .cse3 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse4 (select (store (let ((.cse5 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse5 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse5 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse4 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse4 .cse1))))) (= |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 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse7 (select (store (let ((.cse8 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse7 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse7 .cse1))))) (= |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_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse9 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))))) .cse10) .cse11) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse12 (select (store (let ((.cse13 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse13 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse13 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select .cse12 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse12 .cse1))))) .cse11) .cse3 .cse6 (or (let ((.cse19 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse34 (select (store (let ((.cse35 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse35 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse35 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse34 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse34 .cse1)))))))) (.cse20 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse33 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse33 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse33 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1)))))) (.cse23 (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse31 (select (store (let ((.cse32 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse32 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse32 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse31 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse31 .cse1))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|))))) (and (or (and (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse14 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse14 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse14 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse15 (select (store (let ((.cse16 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse16 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse16 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse15 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse15 .cse1))))) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse17 (select (store (let ((.cse18 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse17 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse17 .cse1))))) .cse19 .cse20 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse21 (select (store (let ((.cse22 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse21 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse21 .cse1))))) .cse23) .cse11) (or .cse11 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse24 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse24 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse24 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1))))) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse25 (select (store (let ((.cse26 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse26 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse26 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select .cse25 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse25 .cse1))))) .cse11) (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse27 (select (store (let ((.cse28 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse27 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse27 .cse1))))))) .cse19 (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse29 (select (store (let ((.cse30 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select .cse29 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse29 .cse1))))) .cse11) .cse20 .cse23)) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0)) (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 ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse36 (select (store (let ((.cse37 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (store .cse37 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse37 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse36 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse36 .cse1))))))))) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse38 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse1)))) .cse11) (or .cse11 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse39 (select (store (let ((.cse40 (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_970))) (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| v_ArrVal_973))) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select .cse39 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= (select v_ArrVal_983 .cse1) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse39 .cse1)))))) .cse10))) is different from false [2022-11-25 15:33:31,556 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (let ((.cse3 (forall ((v_subst_2 Int)) (or (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse44 (select (store (let ((.cse45 (store |c_#memory_int| v_subst_2 v_ArrVal_970))) (store .cse45 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse45 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_2 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse44 .cse0)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse44 4))))) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_2))) (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_2)))) (.cse30 (forall ((v_subst_4 Int)) (or (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_4) (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_4) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= (select (select (store (let ((.cse43 (store |c_#memory_int| v_subst_4 v_ArrVal_970))) (store .cse43 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse43 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_4 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse0) |c_ULTIMATE.start_main_~data_init~0#1|))))))) (.cse33 (forall ((v_subst_7 Int)) (or (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_7) (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse41 (select (store (let ((.cse42 (store |c_#memory_int| v_subst_7 v_ArrVal_970))) (store .cse42 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse42 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_7 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse41 .cse0)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse41 4))))) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_7)))))) (.cse5 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))) (and (forall ((v_subst_11 Int)) (or (forall ((|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_11) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse1 (select (store (let ((.cse2 (store |c_#memory_int| v_subst_11 v_ArrVal_970))) (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_973))) v_subst_11 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse1 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse1 4))))))) (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_11))) .cse3 (or (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset| 0) (let ((.cse10 (forall ((v_subst_14 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse25 (select (store (let ((.cse26 (store |c_#memory_int| v_subst_14 v_ArrVal_970))) (store .cse26 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse26 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_14 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse25 4)) (= (select .cse25 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_14)))) (.cse13 (forall ((v_subst_15 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_15) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= (select (select (store (let ((.cse24 (store |c_#memory_int| v_subst_15 v_ArrVal_970))) (store .cse24 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse24 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_15 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse0) |c_ULTIMATE.start_main_~data_init~0#1|))))) (.cse14 (forall ((v_subst_13 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse22 (select (store (let ((.cse23 (store |c_#memory_int| v_subst_13 v_ArrVal_970))) (store .cse23 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse23 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_13 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse22 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse22 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_13))))) (and (or (forall ((v_ArrVal_973 Int) (v_subst_17 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse4 (store |c_#memory_int| v_subst_17 v_ArrVal_970))) (store .cse4 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse4 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_17 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse0)) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_17))) .cse5) (or .cse5 (and (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_subst_21 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse6 (select (store (let ((.cse7 (store |c_#memory_int| v_subst_21 v_ArrVal_970))) (store .cse7 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse7 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_21 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select .cse6 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse6 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))) (forall ((v_ArrVal_973 Int) (v_subst_18 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse8 (select (store (let ((.cse9 (store |c_#memory_int| v_subst_18 v_ArrVal_970))) (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| v_ArrVal_973))) v_subst_18 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select .cse8 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse8 4) |c_ULTIMATE.start_main_~data_init~0#1|)))) .cse10 (forall ((v_ArrVal_973 Int) (v_subst_19 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse11 (select (store (let ((.cse12 (store |c_#memory_int| v_subst_19 v_ArrVal_970))) (store .cse12 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse12 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_19 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse11 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse11 4))))) .cse13 .cse14 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_subst_20 Int) (v_ArrVal_983 (Array Int Int))) (= (select (select (store (let ((.cse15 (store |c_#memory_int| v_subst_20 v_ArrVal_970))) (store .cse15 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse15 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_20 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))) (forall ((v_subst_16 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_16) (forall ((v_ArrVal_973 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse16 (select (store (let ((.cse17 (store |c_#memory_int| v_subst_16 v_ArrVal_970))) (store .cse17 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse17 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_16 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse16 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse16 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))))) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_subst_22 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse18 (select (store (let ((.cse19 (store |c_#memory_int| v_subst_22 v_ArrVal_970))) (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| v_ArrVal_973))) v_subst_22 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse18 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse18 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_22)))) .cse5) (or .cse5 (forall ((v_ArrVal_973 Int) (v_subst_12 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse20 (select (store (let ((.cse21 (store |c_#memory_int| v_subst_12 v_ArrVal_970))) (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_973))) v_subst_12 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_12) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 .cse0)))))) .cse10 .cse13 .cse14))) (or (and (forall ((v_subst_8 Int)) (or (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_8) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse27 (select (store (let ((.cse28 (store |c_#memory_int| v_subst_8 v_ArrVal_970))) (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| v_ArrVal_973))) v_subst_8 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse27 4)) (= (select .cse27 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))))) .cse3 (forall ((v_subst_5 Int)) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (let ((.cse29 (store |c_#memory_int| v_subst_5 v_ArrVal_970))) (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| v_ArrVal_973))) v_subst_5 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse0))) (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_5))) .cse30 (forall ((v_subst_3 Int)) (or (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_3) (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse31 (select (store (let ((.cse32 (store |c_#memory_int| v_subst_3 v_ArrVal_970))) (store .cse32 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse32 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_3 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse31 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse31 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|)))))) .cse33 (forall ((v_subst_6 Int)) (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse34 (select (store (let ((.cse35 (store |c_#memory_int| v_subst_6 v_ArrVal_970))) (store .cse35 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse35 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_6 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse34 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse34 4))))) (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_6)))) .cse5) .cse30 (or .cse5 (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_subst_10 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse36 (select (store (let ((.cse37 (store |c_#memory_int| v_subst_10 v_ArrVal_970))) (store .cse37 |ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse37 |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| v_ArrVal_973))) v_subst_10 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= (select v_ArrVal_983 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse36 4)) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_10) (= (select .cse36 .cse0) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_10))))) .cse33 (or (forall ((v_ArrVal_973 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_subst_1 Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (let ((.cse38 (select (store (let ((.cse39 (store |c_#memory_int| v_subst_1 v_ArrVal_970))) (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| v_ArrVal_973))) v_subst_1 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (or (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_1) (= (select .cse38 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse38 .cse0))))) .cse5) (or (forall ((v_ArrVal_973 Int) (v_subst_9 Int) (|ULTIMATE.start_sll_circular_create_~last~0#1.base| Int) (v_ArrVal_970 (Array Int Int)) (v_ArrVal_983 (Array Int Int))) (or (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| v_subst_9) (= |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_subst_9) (= (select (select (store (let ((.cse40 (store |c_#memory_int| v_subst_9 v_ArrVal_970))) (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| v_ArrVal_973))) v_subst_9 v_ArrVal_983) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse0) |c_ULTIMATE.start_main_~data_init~0#1|))) .cse5)))) is different from false [2022-11-25 15:33:31,901 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:31,901 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 46 treesize of output 37 [2022-11-25 15:33:31,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:31,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:31,913 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:31,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2022-11-25 15:33:31,936 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 41 treesize of output 29 [2022-11-25 15:33:31,952 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:31,952 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 91 treesize of output 1 [2022-11-25 15:33:31,964 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:31,965 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 91 treesize of output 1 [2022-11-25 15:33:31,972 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:31,973 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 91 treesize of output 1 [2022-11-25 15:33:31,980 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:31,981 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 1 [2022-11-25 15:33:31,988 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:31,989 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 46 treesize of output 1 [2022-11-25 15:33:31,997 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:31,998 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 91 treesize of output 1 [2022-11-25 15:33:32,006 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,007 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 91 treesize of output 1 [2022-11-25 15:33:32,015 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 1 [2022-11-25 15:33:32,024 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,025 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 91 treesize of output 1 [2022-11-25 15:33:32,035 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,035 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 91 treesize of output 1 [2022-11-25 15:33:32,046 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,046 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 46 treesize of output 1 [2022-11-25 15:33:32,058 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,058 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 91 treesize of output 1 [2022-11-25 15:33:32,067 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 15:33:32,067 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 91 treesize of output 1 [2022-11-25 15:33:32,079 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:32,079 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 91 treesize of output 61 [2022-11-25 15:33:32,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,094 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 15:33:32,095 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 549 treesize of output 526 [2022-11-25 15:33:32,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,113 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 130 treesize of output 124 [2022-11-25 15:33:32,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,124 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 107 treesize of output 95 [2022-11-25 15:33:32,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,134 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 47 treesize of output 41 [2022-11-25 15:33:32,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,142 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 57 treesize of output 47 [2022-11-25 15:33:32,162 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 15:33:32,175 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:33:32,175 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 91 treesize of output 61 [2022-11-25 15:33:32,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,190 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 15:33:32,190 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 549 treesize of output 526 [2022-11-25 15:33:32,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,205 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 491 treesize of output 467 [2022-11-25 15:33:32,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,218 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 467 treesize of output 419 [2022-11-25 15:33:32,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,235 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 219 treesize of output 203 [2022-11-25 15:33:32,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:32,255 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 209 treesize of output 197 [2022-11-25 15:33:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 15 not checked. [2022-11-25 15:33:32,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102044517] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:33:32,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:33:32,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 18] total 48 [2022-11-25 15:33:32,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328381610] [2022-11-25 15:33:32,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:33:32,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-25 15:33:32,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:32,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-25 15:33:32,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1742, Unknown=24, NotChecked=348, Total=2256 [2022-11-25 15:33:32,523 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand has 48 states, 48 states have (on average 2.125) internal successors, (102), 48 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:43,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:43,306 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2022-11-25 15:33:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-25 15:33:43,307 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 2.125) internal successors, (102), 48 states have internal predecessors, (102), 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 39 [2022-11-25 15:33:43,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:43,308 INFO L225 Difference]: With dead ends: 123 [2022-11-25 15:33:43,308 INFO L226 Difference]: Without dead ends: 123 [2022-11-25 15:33:43,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 51 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=696, Invalid=3988, Unknown=24, NotChecked=548, Total=5256 [2022-11-25 15:33:43,311 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 584 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 341 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:43,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 316 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1052 Invalid, 0 Unknown, 341 Unchecked, 1.6s Time] [2022-11-25 15:33:43,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-25 15:33:43,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 85. [2022-11-25 15:33:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 84 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2022-11-25 15:33:43,315 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 39 [2022-11-25 15:33:43,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:43,315 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2022-11-25 15:33:43,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.125) internal successors, (102), 48 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2022-11-25 15:33:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 15:33:43,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:43,316 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:43,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:43,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 15:33:43,523 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:43,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1852999412, now seen corresponding path program 1 times [2022-11-25 15:33:43,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:43,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412535234] [2022-11-25 15:33:43,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:43,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:44,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:44,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412535234] [2022-11-25 15:33:44,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412535234] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:44,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816227473] [2022-11-25 15:33:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:44,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:44,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,277 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 15:33:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:44,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-25 15:33:44,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:44,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 15:33:44,529 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 15:33:44,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-25 15:33:44,562 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 15:33:44,562 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 [2022-11-25 15:33:44,615 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 15:33:44,615 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 [2022-11-25 15:33:44,707 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 15:33:44,707 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 [2022-11-25 15:33:44,750 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 11 treesize of output 7 [2022-11-25 15:33:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:44,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-25 15:33:44,861 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 20 treesize of output 19 [2022-11-25 15:33:45,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:45,019 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:45,019 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 34 [2022-11-25 15:33:45,049 INFO L321 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2022-11-25 15:33:45,050 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 31 treesize of output 21 [2022-11-25 15:33:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:45,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:33:45,554 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 15:33:45,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816227473] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:33:45,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:33:45,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 32 [2022-11-25 15:33:45,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295030991] [2022-11-25 15:33:45,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:33:45,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-25 15:33:45,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:45,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-25 15:33:45,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2022-11-25 15:33:45,558 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand has 32 states, 32 states have (on average 2.71875) internal successors, (87), 32 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:46,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:46,421 INFO L93 Difference]: Finished difference Result 105 states and 116 transitions. [2022-11-25 15:33:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 15:33:46,421 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.71875) internal successors, (87), 32 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-11-25 15:33:46,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:33:46,422 INFO L225 Difference]: With dead ends: 105 [2022-11-25 15:33:46,422 INFO L226 Difference]: Without dead ends: 105 [2022-11-25 15:33:46,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=401, Invalid=1491, Unknown=0, NotChecked=0, Total=1892 [2022-11-25 15:33:46,423 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 465 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 15:33:46,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 413 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 15:33:46,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-25 15:33:46,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2022-11-25 15:33:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 80 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2022-11-25 15:33:46,426 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 40 [2022-11-25 15:33:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:33:46,426 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2022-11-25 15:33:46,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.71875) internal successors, (87), 32 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:33:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2022-11-25 15:33:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 15:33:46,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:33:46,427 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:46,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:46,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 15:33:46,635 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:33:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1769728484, now seen corresponding path program 2 times [2022-11-25 15:33:46,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590709462] [2022-11-25 15:33:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:33:49,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:49,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590709462] [2022-11-25 15:33:49,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590709462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:33:49,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160830122] [2022-11-25 15:33:49,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:33:49,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:33:49,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:49,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:33:49,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 15:33:49,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 15:33:49,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:33:49,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 98 conjunts are in the unsatisfiable core [2022-11-25 15:33:49,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:49,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 15:33:49,952 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 15:33:49,953 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 18 [2022-11-25 15:33:50,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:50,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:33:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:50,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 15:33:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:50,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-11-25 15:33:50,222 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-25 15:33:50,222 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 24 treesize of output 34 [2022-11-25 15:33:50,382 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 15:33:50,383 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 36 treesize of output 31 [2022-11-25 15:33:50,395 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-25 15:33:50,395 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 23 treesize of output 22 [2022-11-25 15:33:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:50,506 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:33:50,506 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 46 [2022-11-25 15:33:50,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:50,517 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 15:33:50,517 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 32 treesize of output 34 [2022-11-25 15:33:50,698 INFO L321 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2022-11-25 15:33:50,698 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 63 treesize of output 60 [2022-11-25 15:33:50,728 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 15:33:50,728 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 [2022-11-25 15:33:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:51,516 INFO L321 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2022-11-25 15:33:51,517 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 125 treesize of output 117 [2022-11-25 15:33:51,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:51,530 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-25 15:33:51,530 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 118 treesize of output 97 [2022-11-25 15:33:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:33:52,520 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 15:33:52,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 72 [2022-11-25 15:33:52,550 INFO L321 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2022-11-25 15:33:52,550 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 84 [2022-11-25 15:33:52,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:33:52,726 INFO L321 Elim1Store]: treesize reduction 29, result has 40.8 percent of original size [2022-11-25 15:33:52,726 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 111 treesize of output 84 [2022-11-25 15:33:52,769 INFO L321 Elim1Store]: treesize reduction 17, result has 54.1 percent of original size [2022-11-25 15:33:52,769 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 54 treesize of output 52 [2022-11-25 15:33:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:33:53,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:34:35,005 WARN L233 SmtUtils]: Spent 26.24s on a formula simplification. DAG size of input: 60 DAG size of output: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 15:34:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:34:35,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160830122] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:34:35,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:34:35,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 19] total 52 [2022-11-25 15:34:35,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093022642] [2022-11-25 15:34:35,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:34:35,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-25 15:34:35,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:34:35,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-25 15:34:35,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2594, Unknown=2, NotChecked=0, Total=2756 [2022-11-25 15:34:35,697 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand has 53 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 53 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:58,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:34:58,396 INFO L93 Difference]: Finished difference Result 184 states and 198 transitions. [2022-11-25 15:34:58,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-25 15:34:58,397 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 53 states have internal predecessors, (109), 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 43 [2022-11-25 15:34:58,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:34:58,398 INFO L225 Difference]: With dead ends: 184 [2022-11-25 15:34:58,398 INFO L226 Difference]: Without dead ends: 184 [2022-11-25 15:34:58,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1922 ImplicationChecksByTransitivity, 63.0s TimeCoverageRelationStatistics Valid=1806, Invalid=7698, Unknown=2, NotChecked=0, Total=9506 [2022-11-25 15:34:58,400 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2475 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:34:58,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 663 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 15:34:58,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-25 15:34:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 84. [2022-11-25 15:34:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 83 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2022-11-25 15:34:58,404 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 43 [2022-11-25 15:34:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:34:58,404 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2022-11-25 15:34:58,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 53 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2022-11-25 15:34:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 15:34:58,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:34:58,406 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:58,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:58,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:34:58,611 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2022-11-25 15:34:58,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1769728483, now seen corresponding path program 2 times [2022-11-25 15:34:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:58,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576523788] [2022-11-25 15:34:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:58,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:35:01,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:35:01,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576523788] [2022-11-25 15:35:01,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576523788] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:35:01,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882026515] [2022-11-25 15:35:01,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:35:01,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:35:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,310 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bae61cf-ae2f-4baf-9366-85fa6fbfab28/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 15:35:01,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 15:35:01,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:35:01,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-25 15:35:01,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:01,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 15:35:01,621 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 15:35:01,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-25 15:35:01,663 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 15:35:01,664 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 [2022-11-25 15:35:01,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 15:35:01,858 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 15:35:01,859 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 18 [2022-11-25 15:35:01,883 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 15:35:01,884 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 [2022-11-25 15:35:01,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 15:35:01,992 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 11 treesize of output 7 [2022-11-25 15:35:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:02,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-11-25 15:35:02,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:02,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 15:35:02,200 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-25 15:35:02,200 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 1 case distinctions, treesize of input 16 treesize of output 26 [2022-11-25 15:35:02,345 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 15:35:02,345 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 37 treesize of output 32 [2022-11-25 15:35:02,381 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-25 15:35:02,381 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 23 treesize of output 22 [2022-11-25 15:35:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:02,541 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 15:35:02,541 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 70 [2022-11-25 15:35:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:02,552 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 15:35:02,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-25 15:35:02,814 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 15:35:02,814 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 103 treesize of output 72 [2022-11-25 15:35:02,833 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 15:35:02,833 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 26 treesize of output 28 [2022-11-25 15:35:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:03,692 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-25 15:35:03,692 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 123 treesize of output 98 [2022-11-25 15:35:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:03,704 INFO L321 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2022-11-25 15:35:03,704 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 130 treesize of output 138 [2022-11-25 15:35:04,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:04,408 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 15:35:04,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 65 [2022-11-25 15:35:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 15:35:04,433 INFO L321 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2022-11-25 15:35:04,433 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 47 [2022-11-25 15:35:04,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:35:04,585 INFO L321 Elim1Store]: treesize reduction 41, result has 16.3 percent of original size [2022-11-25 15:35:04,585 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 107 treesize of output 60 [2022-11-25 15:35:04,600 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 15:35:04,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-25 15:35:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:35:04,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:35:30,608 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse13 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse10 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (and (forall ((v_ArrVal_1571 Int) (v_ArrVal_1552 Int) (v_ArrVal_1554 Int) (v_ArrVal_1556 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| Int)) (let ((.cse1 (let ((.cse11 (let ((.cse12 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse13 .cse10 v_ArrVal_1554)))) (store .cse12 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store (select .cse12 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))))) (store .cse11 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse11 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|)))) (.cse5 (let ((.cse7 (let ((.cse8 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse10 v_ArrVal_1552)))) (store .cse8 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store (select .cse8 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (store .cse7 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse7 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse6 (select .cse5 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|)) (.cse2 (select .cse1 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|))) (let ((.cse3 (select .cse2 0)) (.cse4 (select .cse6 0))) (let ((.cse0 (select (select (store .cse5 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store .cse6 4 v_ArrVal_1571)) .cse3) .cse4))) (or (= .cse0 0) (forall ((v_ArrVal_1572 Int)) (<= (+ .cse0 8) (select (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| v_ArrVal_1556) (select (select (store .cse1 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store .cse2 4 v_ArrVal_1572)) .cse3) .cse4)))))))))) (forall ((v_ArrVal_1571 Int) (v_ArrVal_1552 Int) (v_ArrVal_1554 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| Int)) (<= 0 (+ (let ((.cse14 (let ((.cse18 (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse10 v_ArrVal_1552)))) (store .cse19 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store (select .cse19 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (store .cse18 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse18 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse15 (select .cse14 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|))) (select (select (store .cse14 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store .cse15 4 v_ArrVal_1571)) (select (select (let ((.cse16 (let ((.cse17 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse13 .cse10 v_ArrVal_1554)))) (store .cse17 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store (select .cse17 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))))) (store .cse16 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse16 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|))) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0)) (select .cse15 0)))) 4))) (forall ((v_ArrVal_1572 Int) (v_ArrVal_1552 Int) (v_ArrVal_1554 Int) (v_ArrVal_1556 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| Int)) (let ((.cse25 (let ((.cse29 (let ((.cse30 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse13 .cse10 v_ArrVal_1554)))) (store .cse30 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store (select .cse30 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))))) (store .cse29 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse29 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|)))) (.cse21 (let ((.cse27 (let ((.cse28 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse10 v_ArrVal_1552)))) (store .cse28 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store (select .cse28 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) (store .cse27 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse27 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse22 (select .cse21 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|)) (.cse26 (select .cse25 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36|))) (let ((.cse23 (select .cse26 0)) (.cse24 (select .cse22 0))) (let ((.cse20 (select (select (store .cse25 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store .cse26 4 v_ArrVal_1572)) .cse23) .cse24))) (or (= |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| .cse20) (forall ((v_ArrVal_1571 Int)) (<= (+ (select (select (store .cse21 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| (store .cse22 4 v_ArrVal_1571)) .cse23) .cse24) 8) (select (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_36| v_ArrVal_1556) .cse20))))))))))) is different from false [2022-11-25 15:35:30,680 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:35:30,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42564 treesize of output 42236 [2022-11-25 15:35:31,309 INFO L321 Elim1Store]: treesize reduction 216, result has 31.6 percent of original size [2022-11-25 15:35:31,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 386244 treesize of output 377243 [2022-11-25 15:35:48,561 WARN L233 SmtUtils]: Spent 17.25s on a formula simplification. DAG size of input: 1303 DAG size of output: 1290 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 15:35:48,696 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:35:48,698 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 372855 treesize of output 372739 [2022-11-25 15:35:50,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 15:35:50,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:35:51,079 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:35:51,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 118 [2022-11-25 15:35:54,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:35:54,405 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:35:54,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 84 [2022-11-25 15:35:57,067 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 15:35:57,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 373718 treesize of output 373620