./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 10:50:17,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 10:50:17,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 10:50:17,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 10:50:17,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 10:50:17,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 10:50:17,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 10:50:18,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 10:50:18,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 10:50:18,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 10:50:18,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 10:50:18,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 10:50:18,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 10:50:18,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 10:50:18,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 10:50:18,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 10:50:18,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 10:50:18,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 10:50:18,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 10:50:18,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 10:50:18,020 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 10:50:18,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 10:50:18,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 10:50:18,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 10:50:18,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 10:50:18,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 10:50:18,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 10:50:18,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 10:50:18,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 10:50:18,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 10:50:18,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 10:50:18,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 10:50:18,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 10:50:18,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 10:50:18,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 10:50:18,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 10:50:18,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 10:50:18,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 10:50:18,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 10:50:18,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 10:50:18,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 10:50:18,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 10:50:18,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 10:50:18,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 10:50:18,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 10:50:18,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 10:50:18,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 10:50:18,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 10:50:18,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 10:50:18,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 10:50:18,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 10:50:18,059 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 10:50:18,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 10:50:18,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 10:50:18,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 10:50:18,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 10:50:18,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 10:50:18,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 10:50:18,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 10:50:18,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 10:50:18,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 10:50:18,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 10:50:18,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 10:50:18,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 10:50:18,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 10:50:18,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 10:50:18,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 10:50:18,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2022-07-12 10:50:18,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 10:50:18,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 10:50:18,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 10:50:18,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 10:50:18,289 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 10:50:18,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-07-12 10:50:18,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4dea73a/3ddaa6b9f1594b06a3b333a23201c96e/FLAG2d2e0d407 [2022-07-12 10:50:18,881 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 10:50:18,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-07-12 10:50:18,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4dea73a/3ddaa6b9f1594b06a3b333a23201c96e/FLAG2d2e0d407 [2022-07-12 10:50:19,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4dea73a/3ddaa6b9f1594b06a3b333a23201c96e [2022-07-12 10:50:19,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 10:50:19,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 10:50:19,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 10:50:19,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 10:50:19,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 10:50:19,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:50:19" (1/1) ... [2022-07-12 10:50:19,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b06661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:19, skipping insertion in model container [2022-07-12 10:50:19,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:50:19" (1/1) ... [2022-07-12 10:50:19,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 10:50:19,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 10:50:19,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-07-12 10:50:19,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-07-12 10:50:19,826 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 10:50:19,870 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,871 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,872 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,872 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,874 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,882 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,883 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,883 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,884 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,885 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,885 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:19,886 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,062 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 10:50:20,063 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 10:50:20,063 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 10:50:20,064 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 10:50:20,065 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 10:50:20,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 10:50:20,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 10:50:20,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 10:50:20,067 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 10:50:20,068 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 10:50:20,139 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,143 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 10:50:20,260 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 10:50:20,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-07-12 10:50:20,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-07-12 10:50:20,286 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 10:50:20,299 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,300 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,300 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,300 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,301 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,304 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,305 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,305 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,306 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,306 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,307 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,307 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,307 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 10:50:20,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 10:50:20,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 10:50:20,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 10:50:20,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 10:50:20,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 10:50:20,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 10:50:20,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 10:50:20,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 10:50:20,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 10:50:20,344 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,354 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 10:50:20,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 10:50:20,553 INFO L208 MainTranslator]: Completed translation [2022-07-12 10:50:20,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20 WrapperNode [2022-07-12 10:50:20,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 10:50:20,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 10:50:20,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 10:50:20,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 10:50:20,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,671 INFO L137 Inliner]: procedures = 691, calls = 1684, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 684 [2022-07-12 10:50:20,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 10:50:20,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 10:50:20,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 10:50:20,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 10:50:20,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 10:50:20,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 10:50:20,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 10:50:20,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 10:50:20,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (1/1) ... [2022-07-12 10:50:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 10:50:20,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 10:50:20,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 10:50:20,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 10:50:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-07-12 10:50:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-07-12 10:50:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 10:50:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-12 10:50:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-12 10:50:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-12 10:50:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-12 10:50:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-12 10:50:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-12 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-12 10:50:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-12 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-12 10:50:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-12 10:50:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 10:50:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 10:50:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 10:50:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 10:50:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 10:50:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-12 10:50:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-12 10:50:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-12 10:50:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-12 10:50:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-12 10:50:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-12 10:50:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-12 10:50:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-12 10:50:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 10:50:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 10:50:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 10:50:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 10:50:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 10:50:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-12 10:50:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-12 10:50:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-12 10:50:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-12 10:50:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 10:50:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-07-12 10:50:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-07-12 10:50:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2022-07-12 10:50:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2022-07-12 10:50:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-12 10:50:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-12 10:50:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 10:50:21,098 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 10:50:21,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 10:50:21,701 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 10:50:21,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 10:50:21,711 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 10:50:21,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 10:50:21 BoogieIcfgContainer [2022-07-12 10:50:21,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 10:50:21,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 10:50:21,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 10:50:21,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 10:50:21,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 10:50:19" (1/3) ... [2022-07-12 10:50:21,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bba6e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 10:50:21, skipping insertion in model container [2022-07-12 10:50:21,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:50:20" (2/3) ... [2022-07-12 10:50:21,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bba6e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 10:50:21, skipping insertion in model container [2022-07-12 10:50:21,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 10:50:21" (3/3) ... [2022-07-12 10:50:21,719 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2022-07-12 10:50:21,731 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 10:50:21,731 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 10:50:21,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 10:50:21,800 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2be69fe9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1a23a715 [2022-07-12 10:50:21,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 10:50:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-07-12 10:50:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-12 10:50:21,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 10:50:21,815 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 10:50:21,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 10:50:21,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 10:50:21,820 INFO L85 PathProgramCache]: Analyzing trace with hash 928387541, now seen corresponding path program 1 times [2022-07-12 10:50:21,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 10:50:21,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963252033] [2022-07-12 10:50:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 10:50:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 10:50:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 10:50:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 10:50:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 10:50:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 10:50:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 10:50:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 10:50:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 10:50:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 10:50:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 10:50:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 10:50:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 10:50:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 10:50:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-12 10:50:22,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 10:50:22,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963252033] [2022-07-12 10:50:22,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963252033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 10:50:22,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 10:50:22,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 10:50:22,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066414983] [2022-07-12 10:50:22,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 10:50:22,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 10:50:22,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 10:50:22,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 10:50:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 10:50:22,401 INFO L87 Difference]: Start difference. First operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 10:50:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 10:50:22,942 INFO L93 Difference]: Finished difference Result 413 states and 633 transitions. [2022-07-12 10:50:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 10:50:22,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2022-07-12 10:50:22,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 10:50:22,962 INFO L225 Difference]: With dead ends: 413 [2022-07-12 10:50:22,962 INFO L226 Difference]: Without dead ends: 230 [2022-07-12 10:50:22,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 10:50:22,967 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 70 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 10:50:22,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 352 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 10:50:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-07-12 10:50:23,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2022-07-12 10:50:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 107 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-07-12 10:50:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 239 transitions. [2022-07-12 10:50:23,012 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 239 transitions. Word has length 84 [2022-07-12 10:50:23,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 10:50:23,012 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 239 transitions. [2022-07-12 10:50:23,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 10:50:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2022-07-12 10:50:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-12 10:50:23,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 10:50:23,016 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 10:50:23,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 10:50:23,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 10:50:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 10:50:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash -734960815, now seen corresponding path program 1 times [2022-07-12 10:50:23,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 10:50:23,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197239198] [2022-07-12 10:50:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:23,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 10:50:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 10:50:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 10:50:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 10:50:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 10:50:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 10:50:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 10:50:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 10:50:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 10:50:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 10:50:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 10:50:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 10:50:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 10:50:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 10:50:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-12 10:50:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 10:50:23,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197239198] [2022-07-12 10:50:23,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197239198] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 10:50:23,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296125384] [2022-07-12 10:50:23,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:23,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 10:50:23,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 10:50:23,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 10:50:23,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 10:50:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:23,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 10:50:23,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 10:50:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-12 10:50:23,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 10:50:23,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296125384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 10:50:23,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 10:50:23,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-12 10:50:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807466383] [2022-07-12 10:50:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 10:50:23,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 10:50:23,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 10:50:23,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 10:50:23,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-12 10:50:23,667 INFO L87 Difference]: Start difference. First operand 180 states and 239 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-12 10:50:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 10:50:23,863 INFO L93 Difference]: Finished difference Result 325 states and 446 transitions. [2022-07-12 10:50:23,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 10:50:23,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2022-07-12 10:50:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 10:50:23,865 INFO L225 Difference]: With dead ends: 325 [2022-07-12 10:50:23,865 INFO L226 Difference]: Without dead ends: 182 [2022-07-12 10:50:23,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-07-12 10:50:23,866 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 245 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 10:50:23,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 706 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 10:50:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-12 10:50:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-07-12 10:50:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2022-07-12 10:50:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2022-07-12 10:50:23,891 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 84 [2022-07-12 10:50:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 10:50:23,891 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2022-07-12 10:50:23,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-12 10:50:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2022-07-12 10:50:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-12 10:50:23,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 10:50:23,898 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 10:50:23,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 10:50:24,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 10:50:24,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 10:50:24,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 10:50:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1141222523, now seen corresponding path program 1 times [2022-07-12 10:50:24,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 10:50:24,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393311664] [2022-07-12 10:50:24,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:24,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 10:50:24,193 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 10:50:24,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885819990] [2022-07-12 10:50:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:24,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 10:50:24,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 10:50:24,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 10:50:24,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 10:50:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:24,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 2272 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 10:50:24,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 10:50:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-12 10:50:24,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 10:50:24,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 10:50:24,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393311664] [2022-07-12 10:50:24,543 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 10:50:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885819990] [2022-07-12 10:50:24,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885819990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 10:50:24,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 10:50:24,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 10:50:24,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438501518] [2022-07-12 10:50:24,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 10:50:24,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 10:50:24,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 10:50:24,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 10:50:24,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 10:50:24,545 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-12 10:50:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 10:50:24,840 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions. [2022-07-12 10:50:24,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 10:50:24,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2022-07-12 10:50:24,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 10:50:24,845 INFO L225 Difference]: With dead ends: 317 [2022-07-12 10:50:24,845 INFO L226 Difference]: Without dead ends: 182 [2022-07-12 10:50:24,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-07-12 10:50:24,848 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 265 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 10:50:24,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 934 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 10:50:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-12 10:50:24,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-07-12 10:50:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2022-07-12 10:50:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2022-07-12 10:50:24,874 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 99 [2022-07-12 10:50:24,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 10:50:24,875 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2022-07-12 10:50:24,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-12 10:50:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2022-07-12 10:50:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 10:50:24,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 10:50:24,881 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 10:50:24,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 10:50:25,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-12 10:50:25,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 10:50:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 10:50:25,101 INFO L85 PathProgramCache]: Analyzing trace with hash 232916013, now seen corresponding path program 2 times [2022-07-12 10:50:25,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 10:50:25,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102310100] [2022-07-12 10:50:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:25,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 10:50:25,161 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 10:50:25,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970007215] [2022-07-12 10:50:25,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 10:50:25,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 10:50:25,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 10:50:25,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 10:50:25,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 10:50:25,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 10:50:25,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 10:50:25,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 2413 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 10:50:25,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 10:50:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-12 10:50:25,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 10:50:25,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 10:50:25,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102310100] [2022-07-12 10:50:25,789 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 10:50:25,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970007215] [2022-07-12 10:50:25,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970007215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 10:50:25,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 10:50:25,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 10:50:25,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560971515] [2022-07-12 10:50:25,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 10:50:25,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 10:50:25,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 10:50:25,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 10:50:25,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 10:50:25,791 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-12 10:50:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 10:50:26,201 INFO L93 Difference]: Finished difference Result 326 states and 450 transitions. [2022-07-12 10:50:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 10:50:26,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 114 [2022-07-12 10:50:26,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 10:50:26,203 INFO L225 Difference]: With dead ends: 326 [2022-07-12 10:50:26,203 INFO L226 Difference]: Without dead ends: 194 [2022-07-12 10:50:26,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-07-12 10:50:26,204 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 283 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 10:50:26,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1236 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 10:50:26,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-12 10:50:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-07-12 10:50:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 113 states have (on average 1.1858407079646018) internal successors, (134), 115 states have internal predecessors, (134), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2022-07-12 10:50:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 264 transitions. [2022-07-12 10:50:26,215 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 264 transitions. Word has length 114 [2022-07-12 10:50:26,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 10:50:26,216 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 264 transitions. [2022-07-12 10:50:26,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-12 10:50:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2022-07-12 10:50:26,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-12 10:50:26,217 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 10:50:26,217 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 10:50:26,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 10:50:26,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 10:50:26,433 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 10:50:26,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 10:50:26,433 INFO L85 PathProgramCache]: Analyzing trace with hash -159680425, now seen corresponding path program 1 times [2022-07-12 10:50:26,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 10:50:26,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626352557] [2022-07-12 10:50:26,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:26,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 10:50:26,522 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 10:50:26,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81062654] [2022-07-12 10:50:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:50:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 10:50:26,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 10:50:26,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 10:50:26,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 10:50:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 10:50:27,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 2695 conjuncts, 331 conjunts are in the unsatisfiable core [2022-07-12 10:50:27,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 10:50:27,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-12 10:50:27,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-12 10:50:28,036 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-12 10:50:28,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-07-12 10:50:28,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-12 10:50:28,226 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-07-12 10:50:28,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-07-12 10:50:30,311 INFO L356 Elim1Store]: treesize reduction 276, result has 36.0 percent of original size [2022-07-12 10:50:30,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 193 treesize of output 360 [2022-07-12 10:50:30,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 10:50:30,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:30,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:30,395 INFO L356 Elim1Store]: treesize reduction 28, result has 52.5 percent of original size [2022-07-12 10:50:30,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 370 treesize of output 411 [2022-07-12 10:50:49,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 10:50:49,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-12 10:50:49,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:50:49,818 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-07-12 10:50:49,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 85 [2022-07-12 10:50:49,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-07-12 10:50:50,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:50,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:50,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2022-07-12 10:50:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:51,267 INFO L356 Elim1Store]: treesize reduction 24, result has 52.0 percent of original size [2022-07-12 10:50:51,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 93 [2022-07-12 10:50:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:51,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 98 [2022-07-12 10:50:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:52,771 INFO L356 Elim1Store]: treesize reduction 24, result has 52.0 percent of original size [2022-07-12 10:50:52,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 93 [2022-07-12 10:50:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:53,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 98 [2022-07-12 10:50:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:55,151 INFO L356 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2022-07-12 10:50:55,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 1 [2022-07-12 10:50:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:55,840 INFO L356 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2022-07-12 10:50:55,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 1 [2022-07-12 10:50:56,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 10:50:56,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-12 10:50:56,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:50:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:58,484 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-07-12 10:50:58,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 85 [2022-07-12 10:50:58,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-07-12 10:50:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:50:59,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2022-07-12 10:51:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:51:00,702 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-12 10:51:00,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-12 10:51:02,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:51:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:51:04,023 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-12 10:51:04,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-12 10:51:04,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:51:05,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:51:05,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:51:05,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 73 [2022-07-12 10:51:05,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-12 10:51:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 10:51:05,594 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-12 10:51:05,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-12 10:51:07,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:51:08,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 10:51:08,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-12 10:51:08,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:51:08,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 10:51:08,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-12 10:51:08,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-12 10:51:09,489 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-12 10:51:09,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-12 10:51:09,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-07-12 10:52:48,574 INFO L356 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2022-07-12 10:52:48,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 33 [2022-07-12 10:52:57,582 INFO L356 Elim1Store]: treesize reduction 292, result has 31.3 percent of original size [2022-07-12 10:52:57,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 437 treesize of output 574