./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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_swap_contents_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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 10:01:05,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 10:01:05,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 10:01:05,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 10:01:05,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 10:01:05,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 10:01:05,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 10:01:05,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 10:01:05,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 10:01:05,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 10:01:05,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 10:01:05,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 10:01:05,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 10:01:05,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 10:01:05,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 10:01:05,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 10:01:05,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 10:01:05,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 10:01:05,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 10:01:05,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 10:01:05,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 10:01:05,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 10:01:05,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 10:01:05,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 10:01:05,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 10:01:05,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 10:01:05,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 10:01:05,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 10:01:05,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 10:01:05,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 10:01:05,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 10:01:05,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 10:01:05,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 10:01:05,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 10:01:05,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 10:01:05,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 10:01:05,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 10:01:05,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 10:01:05,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 10:01:05,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 10:01:05,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 10:01:05,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 10:01:05,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 10:01:05,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 10:01:05,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 10:01:05,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 10:01:05,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 10:01:05,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 10:01:05,813 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 10:01:05,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 10:01:05,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 10:01:05,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 10:01:05,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 10:01:05,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 10:01:05,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 10:01:05,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 10:01:05,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 10:01:05,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 10:01:05,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 10:01:05,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 10:01:05,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 10:01:05,818 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 10:01:05,818 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 10:01:05,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 10:01:05,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 10:01:05,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-11-06 10:01:06,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 10:01:06,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 10:01:06,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 10:01:06,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 10:01:06,022 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 10:01:06,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-06 10:01:06,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d493af8d/a94bdb26043342aeb48f3b9d3ce12f55/FLAGd44136627 [2021-11-06 10:01:06,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 10:01:06,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-06 10:01:06,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d493af8d/a94bdb26043342aeb48f3b9d3ce12f55/FLAGd44136627 [2021-11-06 10:01:06,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d493af8d/a94bdb26043342aeb48f3b9d3ce12f55 [2021-11-06 10:01:06,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 10:01:06,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 10:01:06,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 10:01:06,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 10:01:06,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 10:01:06,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:06" (1/1) ... [2021-11-06 10:01:06,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3e1582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:06, skipping insertion in model container [2021-11-06 10:01:06,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:06" (1/1) ... [2021-11-06 10:01:06,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 10:01:06,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 10:01:07,125 WARN L228 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_swap_contents_harness.i[4502,4515] [2021-11-06 10:01:07,134 WARN L228 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_swap_contents_harness.i[4562,4575] [2021-11-06 10:01:07,146 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 10:01:07,150 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 10:01:07,559 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 10:01:07,601 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,603 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,625 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,625 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,626 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,626 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,628 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,628 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,628 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 10:01:07,791 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 10:01:07,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 10:01:07,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 10:01:07,804 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 10:01:07,806 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 10:01:07,807 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 10:01:07,807 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 10:01:07,809 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 10:01:07,810 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 10:01:07,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:07,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 10:01:08,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 10:01:08,027 WARN L228 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_swap_contents_harness.i[4502,4515] [2021-11-06 10:01:08,027 WARN L228 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_swap_contents_harness.i[4562,4575] [2021-11-06 10:01:08,028 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 10:01:08,029 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 10:01:08,048 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 10:01:08,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,059 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,075 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,097 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 10:01:08,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 10:01:08,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 10:01:08,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 10:01:08,101 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 10:01:08,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 10:01:08,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 10:01:08,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 10:01:08,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 10:01:08,105 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 10:01:08,133 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,137 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:01:08,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 10:01:08,318 INFO L208 MainTranslator]: Completed translation [2021-11-06 10:01:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08 WrapperNode [2021-11-06 10:01:08,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 10:01:08,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 10:01:08,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 10:01:08,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 10:01:08,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 10:01:08,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 10:01:08,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 10:01:08,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 10:01:08,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 10:01:08,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 10:01:08,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 10:01:08,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 10:01:08,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (1/1) ... [2021-11-06 10:01:08,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 10:01:08,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 10:01:08,627 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) [2021-11-06 10:01:08,644 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 [2021-11-06 10:01:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 10:01:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 10:01:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 10:01:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 10:01:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 10:01:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 10:01:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 10:01:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-06 10:01:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 10:01:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 10:01:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 10:01:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 10:01:16,323 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 10:01:16,324 INFO L299 CfgBuilder]: Removed 218 assume(true) statements. [2021-11-06 10:01:16,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:16 BoogieIcfgContainer [2021-11-06 10:01:16,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 10:01:16,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 10:01:16,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 10:01:16,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 10:01:16,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:01:06" (1/3) ... [2021-11-06 10:01:16,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f21b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:16, skipping insertion in model container [2021-11-06 10:01:16,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:08" (2/3) ... [2021-11-06 10:01:16,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f21b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:16, skipping insertion in model container [2021-11-06 10:01:16,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:16" (3/3) ... [2021-11-06 10:01:16,331 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2021-11-06 10:01:16,334 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 10:01:16,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-11-06 10:01:16,363 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 10:01:16,367 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 10:01:16,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-11-06 10:01:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 244 states have (on average 1.4385245901639345) internal successors, (351), 260 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-06 10:01:16,384 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:16,384 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 10:01:16,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:16,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1330632047, now seen corresponding path program 1 times [2021-11-06 10:01:16,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:16,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419022952] [2021-11-06 10:01:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:16,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:01:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:01:16,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:01:16,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419022952] [2021-11-06 10:01:16,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419022952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:01:16,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:01:16,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 10:01:16,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314429176] [2021-11-06 10:01:16,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 10:01:16,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:01:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 10:01:16,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 10:01:16,944 INFO L87 Difference]: Start difference. First operand has 261 states, 244 states have (on average 1.4385245901639345) internal successors, (351), 260 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:16,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:01:16,995 INFO L93 Difference]: Finished difference Result 518 states and 697 transitions. [2021-11-06 10:01:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 10:01:16,997 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-06 10:01:16,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:01:17,007 INFO L225 Difference]: With dead ends: 518 [2021-11-06 10:01:17,007 INFO L226 Difference]: Without dead ends: 254 [2021-11-06 10:01:17,012 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 10:01:17,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-06 10:01:17,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-06 10:01:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 238 states have (on average 1.2773109243697478) internal successors, (304), 253 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 304 transitions. [2021-11-06 10:01:17,063 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 304 transitions. Word has length 62 [2021-11-06 10:01:17,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:01:17,063 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 304 transitions. [2021-11-06 10:01:17,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 304 transitions. [2021-11-06 10:01:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-06 10:01:17,070 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:17,073 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 10:01:17,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 10:01:17,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:17,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1348565053, now seen corresponding path program 1 times [2021-11-06 10:01:17,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:17,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430623894] [2021-11-06 10:01:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:17,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:01:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:01:17,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:01:17,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430623894] [2021-11-06 10:01:17,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430623894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:01:17,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:01:17,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 10:01:17,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53548508] [2021-11-06 10:01:17,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 10:01:17,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:01:17,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 10:01:17,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 10:01:17,287 INFO L87 Difference]: Start difference. First operand 254 states and 304 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:17,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:01:17,347 INFO L93 Difference]: Finished difference Result 496 states and 595 transitions. [2021-11-06 10:01:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 10:01:17,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-06 10:01:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:01:17,349 INFO L225 Difference]: With dead ends: 496 [2021-11-06 10:01:17,350 INFO L226 Difference]: Without dead ends: 256 [2021-11-06 10:01:17,351 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 10:01:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-06 10:01:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-06 10:01:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 240 states have (on average 1.275) internal successors, (306), 255 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 306 transitions. [2021-11-06 10:01:17,362 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 306 transitions. Word has length 62 [2021-11-06 10:01:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:01:17,362 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 306 transitions. [2021-11-06 10:01:17,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 306 transitions. [2021-11-06 10:01:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-06 10:01:17,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:17,363 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 10:01:17,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 10:01:17,363 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash 87647803, now seen corresponding path program 1 times [2021-11-06 10:01:17,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:17,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066119403] [2021-11-06 10:01:17,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:17,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:01:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:01:17,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:01:17,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066119403] [2021-11-06 10:01:17,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066119403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:01:17,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:01:17,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 10:01:17,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591328513] [2021-11-06 10:01:17,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 10:01:17,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:01:17,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 10:01:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 10:01:17,571 INFO L87 Difference]: Start difference. First operand 256 states and 306 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:18,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:01:18,158 INFO L93 Difference]: Finished difference Result 480 states and 572 transitions. [2021-11-06 10:01:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 10:01:18,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-06 10:01:18,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:01:18,160 INFO L225 Difference]: With dead ends: 480 [2021-11-06 10:01:18,161 INFO L226 Difference]: Without dead ends: 256 [2021-11-06 10:01:18,161 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 10:01:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-06 10:01:18,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-06 10:01:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 240 states have (on average 1.2666666666666666) internal successors, (304), 255 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 304 transitions. [2021-11-06 10:01:18,176 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 304 transitions. Word has length 62 [2021-11-06 10:01:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:01:18,176 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 304 transitions. [2021-11-06 10:01:18,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 304 transitions. [2021-11-06 10:01:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-06 10:01:18,177 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:18,177 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 10:01:18,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 10:01:18,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:18,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:18,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1267963945, now seen corresponding path program 1 times [2021-11-06 10:01:18,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:18,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186951558] [2021-11-06 10:01:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:18,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:18,247 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 10:01:18,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574368182] [2021-11-06 10:01:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:18,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 10:01:18,250 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) [2021-11-06 10:01:18,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 10:01:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:01:18,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 2678 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 10:01:18,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 10:01:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:01:19,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:01:19,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186951558] [2021-11-06 10:01:19,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 10:01:19,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574368182] [2021-11-06 10:01:19,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574368182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:01:19,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:01:19,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 10:01:19,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406875997] [2021-11-06 10:01:19,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 10:01:19,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:01:19,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 10:01:19,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 10:01:19,450 INFO L87 Difference]: Start difference. First operand 256 states and 304 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:20,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:01:20,304 INFO L93 Difference]: Finished difference Result 447 states and 528 transitions. [2021-11-06 10:01:20,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 10:01:20,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-06 10:01:20,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:01:20,305 INFO L225 Difference]: With dead ends: 447 [2021-11-06 10:01:20,305 INFO L226 Difference]: Without dead ends: 256 [2021-11-06 10:01:20,306 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 10:01:20,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-06 10:01:20,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-06 10:01:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 240 states have (on average 1.2583333333333333) internal successors, (302), 255 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 302 transitions. [2021-11-06 10:01:20,311 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 302 transitions. Word has length 70 [2021-11-06 10:01:20,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:01:20,312 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 302 transitions. [2021-11-06 10:01:20,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 302 transitions. [2021-11-06 10:01:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-06 10:01:20,313 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:20,313 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:01:20,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 10:01:20,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:20,528 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:20,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:20,528 INFO L85 PathProgramCache]: Analyzing trace with hash -187050949, now seen corresponding path program 1 times [2021-11-06 10:01:20,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:20,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275983830] [2021-11-06 10:01:20,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:20,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:20,591 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 10:01:20,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655895204] [2021-11-06 10:01:20,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:20,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:20,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 10:01:20,593 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) [2021-11-06 10:01:20,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 10:01:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:01:21,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2773 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 10:01:21,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 10:01:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:01:21,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:01:21,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275983830] [2021-11-06 10:01:21,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 10:01:21,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655895204] [2021-11-06 10:01:21,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655895204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:01:21,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:01:21,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 10:01:21,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007795004] [2021-11-06 10:01:21,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 10:01:21,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:01:21,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 10:01:21,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 10:01:21,974 INFO L87 Difference]: Start difference. First operand 256 states and 302 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:22,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:01:22,655 INFO L93 Difference]: Finished difference Result 403 states and 474 transitions. [2021-11-06 10:01:22,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 10:01:22,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-06 10:01:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:01:22,657 INFO L225 Difference]: With dead ends: 403 [2021-11-06 10:01:22,657 INFO L226 Difference]: Without dead ends: 256 [2021-11-06 10:01:22,657 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-06 10:01:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-06 10:01:22,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-06 10:01:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 240 states have (on average 1.25) internal successors, (300), 255 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 300 transitions. [2021-11-06 10:01:22,662 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 300 transitions. Word has length 78 [2021-11-06 10:01:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:01:22,662 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 300 transitions. [2021-11-06 10:01:22,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 300 transitions. [2021-11-06 10:01:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-06 10:01:22,663 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:22,663 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:01:22,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 10:01:22,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:22,891 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:22,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:22,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1777573379, now seen corresponding path program 1 times [2021-11-06 10:01:22,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:22,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792484251] [2021-11-06 10:01:22,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:22,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:22,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 10:01:22,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344754607] [2021-11-06 10:01:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:22,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:22,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 10:01:22,958 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) [2021-11-06 10:01:22,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 10:01:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:01:23,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 10:01:23,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 10:01:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:01:24,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:01:24,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792484251] [2021-11-06 10:01:24,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 10:01:24,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344754607] [2021-11-06 10:01:24,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344754607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:01:24,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:01:24,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 10:01:24,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112554665] [2021-11-06 10:01:24,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 10:01:24,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:01:24,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 10:01:24,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 10:01:24,291 INFO L87 Difference]: Start difference. First operand 256 states and 300 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:01:24,964 INFO L93 Difference]: Finished difference Result 387 states and 450 transitions. [2021-11-06 10:01:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 10:01:24,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-06 10:01:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:01:24,966 INFO L225 Difference]: With dead ends: 387 [2021-11-06 10:01:24,966 INFO L226 Difference]: Without dead ends: 256 [2021-11-06 10:01:24,966 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-06 10:01:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-06 10:01:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-06 10:01:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 240 states have (on average 1.2416666666666667) internal successors, (298), 255 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 298 transitions. [2021-11-06 10:01:24,971 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 298 transitions. Word has length 94 [2021-11-06 10:01:24,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:01:24,972 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 298 transitions. [2021-11-06 10:01:24,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 10:01:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 298 transitions. [2021-11-06 10:01:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-06 10:01:24,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:01:24,973 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-11-06 10:01:24,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 10:01:25,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:25,192 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-06 10:01:25,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:01:25,192 INFO L85 PathProgramCache]: Analyzing trace with hash 377228519, now seen corresponding path program 1 times [2021-11-06 10:01:25,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:01:25,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823751275] [2021-11-06 10:01:25,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:25,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:01:25,253 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 10:01:25,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1414687988] [2021-11-06 10:01:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:01:25,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 10:01:25,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 10:01:25,255 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) [2021-11-06 10:01:25,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 10:10:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:10:18,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 3058 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-06 10:10:18,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 10:10:19,077 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-06 10:10:19,078 INFO L388 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 1 case distinctions, treesize of input 9 treesize of output 11 [2021-11-06 10:10:19,441 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-06 10:10:19,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 33 [2021-11-06 10:10:19,950 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-06 10:10:19,951 INFO L388 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 5 case distinctions, treesize of input 26 treesize of output 33 [2021-11-06 10:10:21,327 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-06 10:10:21,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 43 treesize of output 61 [2021-11-06 10:10:21,786 INFO L388 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 17 treesize of output 13 [2021-11-06 10:10:22,496 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-06 10:10:22,496 INFO L388 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 5 case distinctions, treesize of input 26 treesize of output 33 [2021-11-06 10:10:24,475 INFO L354 Elim1Store]: treesize reduction 162, result has 21.0 percent of original size [2021-11-06 10:10:24,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 43 treesize of output 71 [2021-11-06 10:10:25,143 INFO L354 Elim1Store]: treesize reduction 160, result has 22.0 percent of original size [2021-11-06 10:10:25,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 81 [2021-11-06 10:10:26,605 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-06 10:10:26,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 9 [2021-11-06 10:10:26,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-06 10:10:26,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 10:10:26,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 3 [2021-11-06 10:10:26,678 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 10:10:26,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 3 [2021-11-06 10:10:29,770 INFO L354 Elim1Store]: treesize reduction 312, result has 14.0 percent of original size [2021-11-06 10:10:29,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 121 [2021-11-06 10:10:30,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-06 10:10:34,256 INFO L354 Elim1Store]: treesize reduction 248, result has 12.4 percent of original size [2021-11-06 10:10:34,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 120 treesize of output 139 [2021-11-06 10:10:37,448 INFO L354 Elim1Store]: treesize reduction 164, result has 27.1 percent of original size [2021-11-06 10:10:37,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 103 treesize of output 147 [2021-11-06 10:10:37,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 10:10:37,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 10:10:37,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 10:10:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 10:10:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 10:10:37,985 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-06 10:10:37,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 53 Killed by 15